Gas Chromatographs Model 131 & 132 · unpacking, unless otherwise specified in the incoterms....

Envent Engineering Ltd.

Gas Chromatographs

Model 131 & 132

User's Manual

Revision 6

April 2018

Table of Content INTRODUCTION ....................................................................................................................................................................... 1

Contacting Envent Engineering Ltd ............................................................................................................................................. 1

Canada Office: (Main) ............................................................................................................................................................ 1

USA Office: ............................................................................................................................................................................ 1

China Office: ........................................................................................................................................................................... 1

Warranty & Liability Statements ................................................................................................................................................. 1

Limitation of Warranty ........................................................................................................................................................... 2

Disclaimer .................................................................................................................................................................................... 2

Key Symbols ................................................................................................................................................................................ 3

Warnings & Cautions .................................................................................................................................................................. 4

Analyzer Specifications ............................................................................................................................................................... 6

HARDWARE DESIGN ............................................................................................................................................................... 7

Overview ..................................................................................................................................................................................... 7

Electronics Design ....................................................................................................................................................................... 8

GC Over Design .......................................................................................................................................................................... 9

GC Module Replacement........................................................................................................................................................... 12

INSTALLATION & START-UP .............................................................................................................................................. 14

Sample Point Selection .............................................................................................................................................................. 14

First Stage Pressure Reduction and JT Cooling Effect ......................................................................................................... 14

Sample Volume and Flow Rate ................................................................................................................................................. 16

Pressure Balancing Procedure ............................................................................................................................................... 16

Sample Lag Time vs. Tubing Size ........................................................................................................................................ 16

Sample Conditioning System (SCS) .......................................................................................................................................... 17

Sample & Measurement Vent .................................................................................................................................................... 18

Dual Stage Carrier Gas Set-up Procedure .................................................................................................................................. 18

Carrier Gas Leak Testing Procedure ..................................................................................................................................... 18

Installation & Start-up Procedure .............................................................................................................................................. 19

CUSTOMER CONNECTIONS................................................................................................................................................. 21

Serial Communication ............................................................................................................................................................... 22

Relay Outputs & Solenoid Drivers ............................................................................................................................................ 23

Valve Expander Option ......................................................................................................................................................... 24

Analog Outputs .......................................................................................................................................................................... 25

Powered 4-20 mA Option ..................................................................................................................................................... 26

Ethernet Board Option ............................................................................................................................................................... 26

LCD Keypad Display ................................................................................................................................................................ 27

INTEGRATED CONFIGURATION ENVIRONMENT (ICE) ................................................................................................ 29

Minimum Requirements ............................................................................................................................................................ 29

Introduction ............................................................................................................................................................................... 29

ICE Layout ................................................................................................................................................................................ 30

Title Bar ................................................................................................................................................................................ 30

Menu Bar .............................................................................................................................................................................. 30

Selection ................................................................................................................................................................................ 31

Work Pad .............................................................................................................................................................................. 31

Connecting to Gas Chromatograph ............................................................................................................................................ 31

Set Date/Time in Analyzer ........................................................................................................................................................ 32

Device Files (*.device) .............................................................................................................................................................. 32

Create a New Device File ..................................................................................................................................................... 32

Open an Existing Device File ............................................................................................................................................... 33

Upload a Device File from the GC ....................................................................................................................................... 33

Save a Device File ................................................................................................................................................................ 34

Close a Device File ............................................................................................................................................................... 35

Import a Device File ............................................................................................................................................................. 35

Write a Device File to the GC ............................................................................................................................................... 36

Chart Files (*.chart) ................................................................................................................................................................... 36

Create a new Chart File/Open an Existing Chart File ........................................................................................................... 36

Save a Chart File ................................................................................................................................................................... 37

Open a Comparative Chart File............................................................................................................................................. 38

Close a Chart File .................................................................................................................................................................. 39

Close a Comparative Chart File ............................................................................................................................................ 39

Device Programmer (*.hex) ....................................................................................................................................................... 40

GC Configuration ...................................................................................................................................................................... 42

System Events ....................................................................................................................................................................... 42

Add Event .................................................................................................................................................................... 42

Modify Event ............................................................................................................................................................... 42

Delete Event ................................................................................................................................................................ 43

Pivot Table ............................................................................................................................................................................ 44

Physical Properties Calculations ........................................................................................................................................... 45

Setup Physical Property Calculations .......................................................................................................................... 45

Streams .................................................................................................................................................................................. 46

Stream Setup................................................................................................................................................................ 47

Setup Manual Calibration ............................................................................................................................................ 48

Setup Auto Calibration ................................................................................................................................................ 49

Analog Inputs ........................................................................................................................................................................ 50

Analog Outputs ..................................................................................................................................................................... 50

Setup Analog Outputs.................................................................................................................................................. 50

Discrete Inputs ...................................................................................................................................................................... 52

Discrete Outputs .................................................................................................................................................................... 52

Setup Oven Temperature PID Parameters ............................................................................................................................ 53

Alarms ................................................................................................................................................................................... 55

Add alarms .................................................................................................................................................................. 55

Delete Alarm ............................................................................................................................................................... 56

Display .................................................................................................................................................................................. 56

Add Display Item ........................................................................................................................................................ 56

Delete Display Item ..................................................................................................................................................... 57

Modbus Communications ..................................................................................................................................................... 57

Setup Modbus .............................................................................................................................................................. 57

Archives ................................................................................................................................................................................ 58

Setup Archive .............................................................................................................................................................. 59

Statistics ................................................................................................................................................................................ 61

Add Statistic ................................................................................................................................................................ 61

Delete Statistic ............................................................................................................................................................. 62

Calibration Tables ................................................................................................................................................................. 63

Component Table ........................................................................................................................................................ 63

Analysis Time .............................................................................................................................................................. 66

Timed Events ............................................................................................................................................................... 66

GC Reports ................................................................................................................................................................................ 67

Analysis Reports ................................................................................................................................................................... 67

Raw Data Reports ................................................................................................................................................................. 69

Calibration Reports ............................................................................................................................................................... 71

GC Operations ........................................................................................................................................................................... 74

Control Panel ........................................................................................................................................................................ 74

Enable/Disable Polling ................................................................................................................................................ 74

GC Oven Temperature Control ................................................................................................................................... 75

GC Board Temperature ............................................................................................................................................... 75

Stream Queue .............................................................................................................................................................. 76

Run Stream Sequence .................................................................................................................................................. 76

Reset Stream Sequence ................................................................................................................................................ 76

Halt Analysis ............................................................................................................................................................... 76

Abort Analysis ............................................................................................................................................................. 77

Abort Current Stream .................................................................................................................................................. 77

Clear Latches ............................................................................................................................................................... 77

Run Analysis ............................................................................................................................................................... 77

Manually Select Stream ............................................................................................................................................... 77

Run Stream as Reference Stream ................................................................................................................................ 77

Discrete Input/Output Status ....................................................................................................................................... 78

Analyzer Diagnostics ............................................................................................................................................................ 78

CALIBRATION ........................................................................................................................................................................ 84

Calibration Procedure ................................................................................................................................................................ 85

Validating the Calibration .......................................................................................................................................................... 86

TROUBLESHOOTING & MAINTENANCE .......................................................................................................................... 87

Troubleshooting ......................................................................................................................................................................... 87

Maintenance ............................................................................................................................................................................... 87

Sample Conditioning System Cleaning Procedure .................................................................................................................... 88

Material List .......................................................................................................................................................................... 88

Procedure .............................................................................................................................................................................. 88

APPENDIX A: RECOMMENDED SPARE PARTS LIST ...................................................................................................... 90

APPENDIX B: CHICO A SEALING COMPOUND ................................................................................................................ 90

Risk Assessment - Safety Information ....................................................................................................................................... 91

List of Figures

Figure 1. Main CPU Board Located in Electronics Enclosure .................................................................................................... 9

Figure 2. GC Oven Layout ........................................................................................................................................................ 10

Figure 3. Single Valve 2 Column Over Flow Diagram ............................................................................................................. 11

Figure 4. Dual Valve 3 Column Oven Flow Diagram ............................................................................................................... 11

Figure 5. Field Replaceable GC Module ................................................................................................................................... 13

Figure 6. GC Class 1 Div 2 - 3 Stream SCS .............................................................................................................................. 17

Figure 7. Controller Board Layout & Power Input .................................................................................................................... 22

Figure 8. 132 RS-232 Communication Connections ................................................................................................................. 22

Figure 9. 131 DIN Receptacle Communication Connections .................................................................................................... 23

Figure 10. Relay Outputs and Solenoid Drivers ........................................................................................................................ 23

Figure 11. Valve Expander Option ............................................................................................................................................ 24

Figure 12. Valve Expander Wiring ............................................................................................................................................ 24

Figure 13. (4-20 mA) Output Wiring Options ........................................................................................................................... 25

Figure 14. Powered 4-20 mA Option ......................................................................................................................................... 26

Figure 15. Ethernet Board Option .............................................................................................................................................. 26

Figure 16. Ethernet Board Wiring ............................................................................................................................................. 27

Figure 17. 131 Standard Operator Interface (Similar to 132) .................................................................................................... 28

Figure 18. ICE Software Layout ................................................................................................................................................ 30

Figure 19. Stream 1 Analysis Report Example .......................................................................................................................... 69

Figure 20. Stream 1 Analysis Report Summary Example ......................................................................................................... 69

Figure 21. Stream 1 Raw Data Report Example ........................................................................................................................ 71

Figure 22. Calibration Report (Summary & Run 3 of 3) Example ............................................................................................ 72

Figure 23. Calibration Report Continued (Run 1&2 of 3) Example .......................................................................................... 73

List of Tables

Table 1. 131 & 132 GC Analyzer Specifications ......................................................................................................................... 6

Table 2. Sample Lag Time vs Tubing Size ................................................................................................................................ 16

Table 3. Customer Connection Summary .................................................................................................................................. 22

Table 4. Analyzer Display-button Functions ............................................................................................................................. 28

Table 5. Hydrogen Sulfide Properties ........................................................................................................................................ 91

Table 6. Hydrogen Sulfide Quantities & Health Effects ............................................................................................................ 91

Table 7. Risk Assessment .......................................................................................................................................................... 94

INTRODUCTION

Envent Engineering’s Gas Chromatographs are versatile and reliable online natural gas

analyzers. They are robustly designed by engineers and experienced field technicians to

operate reliably in remote production areas with dirty samples, unreliable power, no

instrument air and limited maintenance. This manual contains a comprehensive overview of

Envent Engineering’s Gas Chromatographs and step-by-step instructions on:

Installation & Start-up

Customer Connections

Integrated Configuration Environment (ICE)

Maintenance & Troubleshooting

This manual should be read and referenced by the person who will install, operate, or have

contact with the Models 131/132 Gas Chromatographs. Take time to familiarize yourself with

the content of this Operator’s Manual, reading each section carefully so you can quickly and

easily install and operate the analyzer.

The manual includes images, tables, and charts that provide a visual understanding of the

analyzer and its functions. Take note of all the caution symbols and notes, as they will alert

you of potential hazards and important information.

Contacting Envent Engineering Ltd

This manual covers most of the important information the user is going to need to install,

operate and maintain the 131/132 GC Analyzers. If more information is required, you can

contact us at:

Canada Office: (Main) Toll Free: 1 (877) 936 - 8368

Tel: (403) 253 - 4012

Fax: (403) 253 - 4016

Email: [email protected]

Hours of operation: Monday to Friday – From 8:00 am to 4:30 pm (Mountain Time Zone).

Offices closed on statutory holidays.

USA Office: Tel: 1 (713) 567 - 4421

China Office: Tel: (86) 138 - 0119 - 1148

For further information on our products and most updated manuals/product catalog please

visit: www.envent-eng.com

Warranty & Liability Statements

Products manufactured and supplied by Envent Engineering Ltd unless otherwise stated are

warranted against defects in materials and workmanship for up to 18 months from the date of

shipment or 12 months from date of start-up, whichever occurs first. During the warranty

period the manufacturer will, as its option, either repair or replace products, which prove to be

defective.

The manufacturer or its representative can provide warranty service at the buyer's facility only

upon prior agreement. In all cases the buyer has the option of returning the product for

warranty service to a facility designated by the manufacturer or its representatives. The buyer

shall prepay shipping charges for products returned to a service facility, and the manufacturer

or its representatives shall pay for return of the products to the buyer. The buyer may also be

required to pay round-trip travel expenses and labour charges at prevailing labour rates if

warranty is disqualified for reasons listed below.

Limitation of Warranty

The foregoing warranty shall not apply to defects arising from:

• Improper or inadequate maintenance by the user;

• Improper or inadequate unpacking or site preparation/installation;

• Unauthorized modification or misuse;

• Operation of the product in unfavorable environments, especially high temperature

and/or high humidity;

• Corrosive or other damaging atmospheres or otherwise outside published

specifications of analyzer.

Envent Engineering Ltd carries no responsibility for damage cause by transportation or

unpacking, unless otherwise specified in the incoterms.

Extended warranty may be available with certified start-up. Contact Envent Engineering Ltd

for details.

Envent Engineering Ltd reserves the right to change the product design and specifications at

any time without prior notice.

Disclaimer

No other warranty is expressed or implied. The manufacturer specially disclaims the implied

warranties of merchantability and fitness for a particular purpose.

The sole remedy of the buyer shall in no case exceed the purchase price of the analyzer.

The manufacturer shall not be liable for personal injury or property damage suffered in

servicing the product. The product should not be modified or repaired in a manner at variance

with procedures established by the manufacturer.

Key Symbols

The following symbols are used throughout this manual. They are intended to draw attention

to important information.

This symbol indicates where applicable warning, caution or other information is to be found.

This HOT symbol warns the user of a hot surface and potential injury if touched.

Description of useful information to help understand a concept.

Danger – High Voltage

Protective ground (earth) Terminal

Warnings & Cautions

This section covers all warnings and cautions for the 131 and 132 GC analyzers. Please read

and understand all statements as they are for your own safety when installing, operating and

maintaining the analyzer(s). Some of these statements are also noted throughout the manual

when relevant.

Model 131: Substitution of components may impair intrinsic safety and suitability for Class I,

Division 1.

Model 132: Substitution of components may impair suitability for Class I, Division 2.

Sample should not exceed 25 psig in sample system. Damage to sample system may result.

Seals not poured. Pour seals before energizing the circuit. (See APPENDIX B).

Disassembly of the pressure regulator and solenoids in the field is not advised. Consult Envent

Engineering if the regulator or solenoid appears contaminated.

Before resuming line pressure make sure that all port connections, sample sweep, and sample

system are securely installed.

All connections must be leaktight to ensure the effectiveness of the analyzer as well as safety.

The user is solely responsible for the product selection, safety and warning requirements for

the application. If the equipment is used in a manner not specified by Envent Engineering Ltd,

the protection provided by the equipment may be impaired.

Do not use solvents, brake cleaners, soaps, detergents or rubbing alcohol to clean up analyzer

or sample system.

Ensure that the analyzer received is suitable for the electrical classification of the installation

site:

• The 131 Model is designed for Class I, Division 1 Groups CD ( or BDC)

• The 132 Model is designed for Class I, Division 2 Groups BCD

The analyzer should be mounted in an area in which it is not exposed to vibration, excessive

pressure, temperature and/or environmental variations.

Do not disconnect equipment unless power has been switched off or area is known to be non-

hazardous.

Turn off power before servicing. Ensure breakers are off before connecting or disconnecting

power supply.

Electrostatic Hazard – Backpan must be cleaned only with a damp cloth to prevent static

charging hazard.

Hydrogen Sulfide and/or other hazardous gases may be present under normal operation –

proper precaution and protective equipment is advised.

This unit requires a disconnect device rated 24 VDC and 5 Amax, must be protected by a

circuit breaker rated 24 VDC and 5 Amax, and is to be installed in accordance with local

electrical codes.

This unit requires a disconnect device rated 240 VAC and 5 Amax, must be protected by a

circuit breaker rated 240 VAC and 5 Amax, and is to be installed in accordance with local

electrical codes.

Use Supply wires suitable for 60 °C (140 °F) above surrounding ambient temperature.

The analyzers input voltage range shown in Certification Nameplate (e.g., 120 – 240VAC) is

limited when installing external devices (e.g., Solenoids).

Incorrect configuration of the analyzer may cause incorrect operation. Injury and/or damage to

facilities may occur. Check analyzer's functionality after configuration changes have been

made.

131 Model: The glass window on the XP enclosure must remain installed in order to maintain

area classification.

The 131 Model GC analyzer weights approximately 100 lb and the 131 Model GC analyzer

weights approximately 55 lb (30 lb added with sample conditioning system). Unpacking and

transporting requires a minimum of two persons.

Oven temperature can exceed 100°C. Caution should be taken when touching the inside

surfaces of the GC Oven.

Analyzer Specifications

Analyzer Specification

Power 100-240 VAC 50/60 Hz (40 Watts running, 50 Watts Start-up)

12-24 VDC (40 Watts running, 50 Watts Start-up)

Fuse Rating: 5 Amps, 250V, Slow blow, Size: 0.201'' Dia x 0.787'', Package/Case:

5 mm x 20 mm

Battery (for 1d Controller Board only): Lithium 3.6V, Dia 0.571'' & 0.992'' Long

Environment 0 – 60 °C (32 to 130 °F)

Dimensions Model 131: 95.3 cm H x 53.4 cm W x 25.4 cm D (37.5” H x 21” W x 10” D)

Model 132: 81.3 cm H x 48.3 cm W x 19 cm D (32” H x 19” W x 7.5” D)

Electrical

Certification

Model 131: Class I, Div. 1, Groups C,D (Or BCD)

Model 132: Class I, Div. 2, Groups B,C,D

Mounting Wall-mount (Standard); Free-standing (Optional)

Weight Model 131: 30 kg (65 lbs.)

Model 132: 18 kg (40 lbs.)

Oven Airless heat sink, maximum 100 °C (212 °F) ± 0.1 °C

Display Graphic Liquid Crystal Display; menu is scrolled by internal button or magnetic

wand (131 Model)

Valves 6-port and 10-port diaphragm valves

Carrier Gas Typically UHP helium 7 to 20 cc/min at 50 to 150 psig 12-14 Months operation in

C6+ BTU applications 2 Column App. 6-8 Months operation in C6+ BTU

applications 3 Column App.

Detector Thermal Conductivity Detector (TCD)

Gating Options Fixed-time, auto-slope detection with automatic gating of peaks on

calibration or analysis

Streams Up to 8 streams (including calibration stream)

Electronics Envent designed ARM7 CPU based analyzer platform

Analog Inputs Two sensor inputs filtered with transient protection

Analog Outputs Dual isolated 4-20 mA (2 wire standard, loop powered)

Communications RS-232, RS- 485, TCP/IP

Modbus Enron, Modicon 16, Modicon 32

Table 1. 131 & 132 GC Analyzer Specifications

HARDWARE DESIGN

Overview

Envent Engineering Ltd. offers its Gas Chromatograph (GC) in two versions based on the area

classification required. The two versions are:

1. Model 131 - Certified by Intertek for installations in Class I, Division 1, Groups C D (Or

BCD), T3 areas

The Model 131 utilizes a combination of Explosion Proof (XP) enclosure and Intrinsically

Safe (IS) Barriers to maintain its classification.

2. Model 132 - Certified by Intertek for installations in Class I, Division 2, Groups B,C, & D, T3

areas

The Model 132 electronics enclosure contains non-incentive electronics necessary for its

classification. This eliminates the need for an Explosion Proof (XP) enclosure and

Intrinsically Safe (IS) Barriers.

The Envent Online Gas Chromatographs consists of three main parts:

1. The Electronics and Software Interface

Electronic design is based on the CPU board with all CPU functions, signal processing power

supplies and field terminations on one board. This minimizes hardware failures and

troubleshooting with ribbon cables and plug-in boards. An additional keypad/display board

and detector pre-amp board complete the electronics platform.

The GC is a stand-alone analyzer pre-configured to specific applications and factory tested

prior to shipment. The only additional equipment needed is a laptop to run the companion

software.

Integrated Configuration Environment (ICE) software is used to operate the GC with

advanced diagnostics. Device files (GC application) and chart files (Chromatogram

diagnostics) operate within the ICE.

2. The GC Oven

The GC Oven design allows for full access to GC measurement components like TCD valves

and columns, which allows the user to perform even the most complex tasks (complete re-

application of GC, including column and valve) in a short period of time without area de-

classification. This GC design is ideal for the analysis of Natural Gas, light hydrocarbon or

light permanent gases.

The GC oven design incorporates the use of a heat sink, as well as robust micro-packed

columns that operate together with 6 or 10 port diaphragm valves for sample injection, back

flush or dual column operations. The Iso-thermal oven is programmable to operate between

50°C – 100°C with digital electronic temperature indication and control.

3. The Sample Conditioning System (SCS)

It transports a representative sample to the GC Oven by reducing pressure, controlling flow,

providing clean and dry samples on multiple streams while preserving the composition of the

gas.

Electronics Design

The electronics enclosure consists of the following components:

1. Main CPU board

2. Preamp (Sensor) Board

3. Display Board

4. Intrinsically Safe (IS) Barriers (Model 131)

5. Valve Expander Board (Optional - available upon request)

6. Powered AO Board (Optional - available upon request)

7. Ethernet Board (Optional - available upon request)

The Envent designed ARM7 CPU based analyzer platform contains the following functional

components:

• Power Supply (110 VAC or 24 VDC)

• 24 bit A/D dedicated to TCD

• 16 bit A/D dedicated to GC Oven PID

• 32 bit CPU

• 4 Digital Inputs

• Oven Driver

• Non-volatile flash data storage

• Non-volatile FRAM

• 4 Relay Outputs

• 4 Solenoid Drivers for valve actuation

• 4 Serial Ports (3) RS 485 (1) RS 232

• 2 Isolated 4-20 mA Outputs

Figure 1. Main CPU Board Located in Electronics Enclosure

GC Over Design

The Envent Gas Chromatograph (GC) uses an electrically heated airless heat sink, with all

valves, columns and detectors mounted in an insulated oven and temperature controlled at

50°C to 100°C (122°F to 212°F) ± 0.05 °C. There is no requirement for instrument air to

purge the GC oven or electronics.

The design supports iso-thermal oven control for GC analysis of light hydrocarbons and/or

permanent gases. The oven contains the following components:

• GC valves (6 port or 10 port)

• 1/16” micro-packed or capillary columns

• TCD based detectors (measurement & reference)

• Airless heat-sink design

• Digital temperature indication and proportional–integral–derivative (PID) control

• GC module for easy field retrofit (valve column assembly)

Figure 2. GC Oven Layout

Figure 3. Single Valve 2 Column Over Flow Diagram

Figure 4. Dual Valve 3 Column Oven Flow Diagram

GC Module Replacement

The “Field Replaceable GC Module” can be replaced with 2 screws and 4 tubing connections and

a quick connect as shown in Figure 2. The procedure for Module replacement is as follows:

Step 1. Log onto GC with ICE (see Connecting to Gas Chromatograph on page 31).

Step 2. Save the last device file (See Upload a Device File from the GC on page 33 to hard drive.

Step 3. Halt Analysis (see Analysis Reports (Abort Analysis) on page 67).

Step 4. Turn off sample gas

a. Allow 5 minutes for all pressures to bleed down to atmospheric pressure

b. Do not adjust pressure regulators

Step 5. Turn off Carrier gas at bottle and main inlet to SCS panel

a. Do not adjust pressure regulators

Step 6. Open GC Oven and remove GC Module

a. Undo the 4 tube connections and the quick connect

b. Remove the 2 screws from the GC module

c. Remove GC module from GC oven

CAUTION: Oven temperature can exceed 100°C. Caution should be taken when touching the

inside surfaces of the GC Oven.

Step 7. Install the new GC module

a. Using the same screws, fasten the Module to the back plate

b. Reconnect tubing connections. Refer to Figure 3 for single valve applications or Figure 4 for

dual valve applications.

Step 8. Perform leak check procedure (see Carrier Gas Leak Testing Procedure on page 18).

Step 9. Turn on Carrier gas bottle and main inlet to SCS panel

Step 10. Turn on sample gas

Step 11. Run the Calibration gas as an unknown through the GC for start up

a. Navigate to the Control Screen (MENU/Operations/Control) in ICE and select the checkbox for

the calibration gas stream. This will analyze the calibration gas without performing the calibration

functions (updating RF & RT values for each component)

Step 12. Navigate to Analyzer Diagnostics (Operations/Analyzer Diagnostics) and open a new

chart file (as described in Create a new Chart File/Open an Existing Chart File on page 36)

Step 13. Gate all peak Retention Time values in the Calibration Table

a. Continue to analyze calibration gas as an unknown while observing the chromatograms

displayed in the diagnostics menu

b. Note the time at the top of each peak - This is referred to as the Retention Time (RT)

c. Write down all RT values for each component and compare them to the RT values in the

factory calibration sheets provided. If the values have all increased or decreased the user can

either:

• Edit the component table with the correct values

• Adjust carrier pressure slightly to line up values and edit from that point

If the values are randomly above or below the values in the factory calibration data then the user

must configure the component data to match the values on the Chromatogram without changing

the carrier gas pressure

Step 14. Once all RT values are correct and the chromatogram compares favorably with the

factory original, the user can calibrate to the calibration stream

Step 15. Use the GC operations calibration section to MANUALLY calibrate the GC (See

Calibration on page 80)

Step 16. Compare final calibration results to factory calibration and ensure that all RF and RT

values are within the Deviation limits and that the calibration was noted as successful in the final

calibration report “Pass/Fail”.

Step 17. Repeat Step 11-15 for each Calibration Table

Step 18. Note the chromatogram, raw data and analysis reports for each stream for approximately

2 hours

a. It may be advisable to enter the calibration gas into the stream sequencing as a check on

stream to stream purge efficiency

b. Each stream should be completely purged from the sample loop prior to injection and

subsequent analysis of the next stream in sequence

Step 19. Save all device files and chart files to an appropriate location on the hard drive in

addition to factory calibration data for future reference

Figure 5. Field Replaceable GC Module

INSTALLATION & START-UP

The 131/132 GC is configured, functionally tested and calibrated at the factory. All test and

calibration data is documented in the Factory Calibration Report.

CAUTION: The analyzer should be mounted in an enclosed area in which it is not exposed

to vibration and excessive pressure, temperature and environmental variations. Ensure that

the housing received is suitable for area classification. The 131 is designed for Class I Division 1 Groups BC&D

The 132 is designed for Class I Division 2 Groups BC&D

The analyzer will be shipped for wall mount or unistrut floor mount (for additional options consult

the factory).

Note: 3/8” x 1” bolts are recommended for installation.

Note: Wall mount brackets need to be installed to allow for carrier gas and calibration gas

to be mounted beside or near to the GC.

CAUTION: Excessive temperature and environmental variations may affect the integrity of

the calibration gas. Should heavier components condense into the liquid phase, the

composition of the bottles could change.

Sample Point Selection

The sample to the analyzer must be representative of the process stream and should be taken from

a point as close as possible to the analyzer to avoid lag times and sample degradation in the

tubing. Sample transport, including sample probe assembly, is generally the responsibility of the

end user.

A ¾” weld-let is required for installation. The probe must be installed vertically on a horizontal

section of pipe ensuring that the sample is drawn from between the middle and the top third of the

pipeline.

An optional Genie GPR probe regulator may be included. The function of this probe is to ensure a

clean dry sample to the analyzer and to reduce the pressure of the sample. The lower pressure will

improve the response time of the analyzer. For installation instructions, refer to associated

documents. Do not install the Genie probe regulator on a vertical pipe.

First Stage Pressure Reduction and JT Cooling Effect

Ideally, first stage pressure regulation is done at the sample point with careful consideration given

to the Joule Thompson Cooling Effect (JT Effect). The JT effect is loosely defined as the cooling

effect on gases as a result of pressure reduction. A general rule of thumb to determine JT effect

estimates a 7 °F cooling effect for every 100 psig of pressure reduction.

JT = Pressure Reduction/100 x 7 °F

Example: Joules Thompson Effect

· Line Conditions

o Pressure = 510 psig

o Gas Temp= 70°F

o Ambient Temp= 50°F

· Calculate Joules Thompson Cooling Effect:

If the first stage pressure reduction takes line pressure of 510 psig to 10 psig the cooling effect

from first stage pressure reduction is:

(510-10)/100 x 7 = 35°F

So the gas is cooled by 35 °F as a result of Joules Thompson Effect.

· Calculate the Gas Temp:

If the initial Gas Temp is 70°F and the Joules Thompson Cooling Effect is 35°F then: 70°F - 35°F

= 35°F

So the Gas Temp travelling in the sample transport line to the analyzer Sample Conditioning

System is 35°F after first stage pressure reduction.

There may be some recovery or further temperature reductions as a result of ambient temperature

effects on the sample transport tubing and internal gas temperature, but the potential for 2 phases

(C6+ condensation) is greatest at the coldest point.

It is critical to preserve the composition of the gas, so it is important to consider the detrimental

effects that the Joules-Thompson effect may have on the sample. The sample temperature must be

maintained above the hydrocarbon dew point to prevent high BTU components to drop out

(liquefy) prior to analysis causing large errors in measurement.

The hydrocarbon dew point is the temperature (at a given pressure) at which the hydrocarbon

components of any hydrocarbon-rich gas mixture, such as natural gas, will start to condense out of

the vapor phase. It is a function of the gas composition as well as the pressure. The hydrocarbon

dew point is universally used in the natural gas industry as an important quality parameter,

stipulated in contractual specifications and enforced throughout the natural gas supply chain, from

producers through processing, transmission and distribution companies to final end users. The

hydrocarbon dew point of a gas is a different concept from the water dew point, the latter being

the temperature (at a given pressure) at which water vapor present in a gas mixture will condense

out of the gas.

Since the heavier components (C6+) are the highest contributors to physical property calculations,

such as heating value (BTU, Giga Joules or Kilo Calories), care must be taken to ensure they are

maintained in the vapor phase from the sample point to the GC oven and sample loop where they

are injected for analysis (heated vaporizing regulator, heat traced sample transport line, etc…).

Lean gas (less than 1020 BTU) typically has less than 300 ppm C6+ and can usually maintain

ALL components in the vapor phase at 10 psig and 0 °F ambient temperature. Rich gas (> 1050

BTU) will have higher concentrations of the heavier components like C6+ and C5’s as well. In

this case, the heavier components will drop out and the final measurement will reflect lower

concentrations of these high BTU contributors. The GC has the capability of measuring to within

1 BTU repeatability but the sample transport system and the sample conditioning system must

work together to ensure that a representative sample is delivered from line conditions to the GC by

maintaining a single vapor phase sample. There cannot be two phase sample at any point in the

sample transport line or sample conditioning system.

Sample Volume and Flow Rate

Sample should be supplied to the GC sample conditioning system (SCS) at 50-250 psig for

each stream. For lean gas (BTU of 1050 or less and relative density of 0.6 or less), with

pressure drops from line conditions of 500 psig or less and ambient temperature of 32 °F (0

C), this pressure can be reduced in one cut at the sample point-- ideally with 10-15 psig at the

input of the conditioning system panel (SCS) with a second and final pressure regulator.

The sample should be supplied to the GC at 10-15 psig and at a flow between 30-50 cc/min. A

bypass sweep is recommended to reduce sample lag time in the sample line if it is at high

pressure or it is longer than 15 feet. The standard sample tubing material is 1/4” 316 stainless

steel; how- ever, 1/8” stainless steel tubing can be used if the response time is critical. Carbon

steel sample line and/or fittings are not acceptable.

It is critical that each stream including the calibration streams be pressure balanced to ensure

the volume of sample injected for the analysis remains constant.

Pressure Balancing Procedure

The procedure to pressure balance each stream is as follows:

1. Set pressure regulator for stream 1 at 10-15 psig

a. Note the sample flow rate as indicated on the common sample rotameter.

CAUTION: Do not exceed 25 psig in sample system. Damage to sample system may result.

2. Switch in stream 2 and set pressure so that the sample flow rate remains constant

3. Repeat the process for each stream (including calibration streams)

4. A flow of 20-50 cc/min is ideal (2-5 on the rotameter)

5. A minimum bypass sweep is recommended to reduce sample lag time and to purge liquids

from the coalescing filter housing

Sample Lag Time vs. Tubing Size

Tube

Size

(“)

Tube

Gauge

ID

(“)

ID

(cm)

Flow

(SCFH)

Flow

Std.

(cc/min)

Pressure

(PSIA)

Lag

Time

per 100’

(min)

Lag

Time

per 100’

(sec)

3/8 20 0.319 0.810 5 2359 800 36.30 2178

3/8 20 0.319 0.810 5 2359 200 9.07 544

3/8 20 0.319 0.810 5 2359 50 2.27 136

1/4 20 0.181 0.459 5 2359 800 11.69 701

1/4 20 0.181 0.459 5 2359 200 2.92 175

1/4 20 0.181 0.459 5 2359 50 0.73 44

1/8 20 0.081 0.205 5 2359 800 2.34 140

1/8 20 0.081 0.205 5 2359 200 0.59 35

1/8 20 0.081 0.205 5 2359 50 0.15 9

Table 2. Sample Lag Time vs Tubing Size

Sample Conditioning System (SCS)

The purpose of the SCS is to receive the sample from the sample transport system after first

stage pressure regulation and to perform the following functions:

1. Isolation from line conditions and the sample transport system

a. Block valves on each stream

2. Provide clean and dry samples

a. Sample filtration and sample bypass

3. Control Pressure

a. Second stage sample pressure regulation

b. Third stage carrier pressure regulation

4. Preserve the composition of the gas

a. Heat traced sample transport or integral heated SCS to prevent heavier components from

liquefying

5. Stream selection (in multi-stream applications)

6. Sample flow control and indication

a. Sample rotameter mounted after all stream switching

Figure 6. GC Class 1 Div 2 - 3 Stream SCS

Sample & Measurement Vent

There are two sample vents from the analyzer:

• Sample vent- the sample loop purge.

o The flow rate is determined by the sample flow rotameter and needle valve on the

SCS

o The sample flow rate is not critical but typical sample flow rates are 30 - 50 cc/min

o This vent can go to atmosphere or to a common flare header (with a check valve if

going to flare) depending on regulatory environmental requirements

o Backpressure on this vent has a minimal effect on the GC

• Carrier(Measurement) Vent

o This vent is primarily Ultra-Pure Helium (UHP) and needs to vent to atmosphere as it

cannot tolerate backpressure without effecting GC performance

Dual Stage Carrier Gas Set-up Procedure

1. Connect the dual stage carrier gas regulator to the carrier gas bottle using a CGA 510 fitting.

2. Tube the output from the carrier regulators to the third stage carrier regulator on the GC

Sample Conditioning System (SCS)

a. The third stage regulator will be factory set 60-140 psig.

3. Perform the Carrier Gas Leak Testing Procedure (See Carrier Gas Leak Testing Procedure on

page 18)

Carrier Gas Leak Testing Procedure

The primary purpose of leak testing is to ensure the carrier gas is not leaking to atmosphere. Prior

to starting up the GC a complete leak check is required. Leak check procedure is as follows:

1. Install a 1/4” plug onto the measurement vent to stop carrier gas flow

2. Turn the carrier supply off at the carrier gas bottle valve

3. Note the pressure on the first stage carrier bottle regulator

• This indicates the pressure in the carrier bottle as the inlet pressure to the dual stage regulator

4. Note time for high pressure to deplete

• If no leaks are present, the High Pressure side of the carrier regulator should hold pressure

for 60 minutes with less than a 5 psig pressure loss

• If leaks are present, open carrier bottle valve and snoop all fittings from the bottle, to the

inlet, to the GC oven and carrier pressure switch (if applicable)

o Tighten all fittings that indicate a leak from snoop leak test

5. Repeat step 2-4 until no leaks are present.

6. Leak check inside GC Oven

• Use leak detector to test each fitting and very carefully tighten any leaks indicated

CAUTION: Do not use snoop inside GC Oven. Damage to columns, valve and detector may

result.

7. Remove the measurement vent plug and turn carrier bottle on.

Installation & Start-up Procedure

1. Unpack the analyzer and check for damage

2. Ensure that the analyzer power supply and range are suitable for the application

3. Check that the hazardous location rating is suitable for the installation location

4. Select an installation location that is close to the sample point.

. Ensure that the selected installation site provides adequate room for maintenance and repair

5. Bolt the analyzer to the wall or secure unistrut to a solid surface.

Note: 3/8” x 1” bolts are recommended for installation.

6. Wire power, analog outputs, discrete inputs & outputs and communications to the GC (see

Customer Connections on page 20)

CAUTION: Turn off power before servicing. Ensure breakers are off before connecting or

disconnecting supply power.

CAUTION: 131 Seals Not Poured. Pour seals before energizing the circuit (See APPENDIX B)

7. Check to ensure all bottles are securely fastened to wall mount brackets and regulators are

installed on each bottle

a. DUAL STAGE REGULATORS MUST BE INSTALLED ON THE carrier gas, usually

Helium

b. Single stage regulators can be installed on the calibration gas and process gas streams.

8. Tube the sample inlet(s), calibration inlet(s), sample sweep(s), sample vent and carrier vent

lines to the GC

· 1/4” 316 stainless steel tubing is recommended for the sample tubing

· 1/8” 316 stainless steel tubing can also be used if the response time of the analyzer is of

particular concern

· All fittings in the sample and vent lines must be 316 stainless steel

· The sample vent line should be tubed in 3/8” stainless steel tubing to a maximum of 6’

· 1/2” 316 stainless steel tubing should be used for vent lines exceeding 6’

· The tubing should be installed with a slight downward slope and should be as short as

possible

· The sample vent line can be tubed to atmosphere, low pressure flare or returned to process.

If returning to process or low pressure flare a 1/3 check valve should be used.

· The carrier vent line should be tubed to atmospheric pressure.

9. With the sample pressure turned off (sample inlet valve closed)

a. Apply power to the GC. The display will illuminate.

CAUTION: Before resuming line pressure make sure that all port connections, sample sweep, and

sample conditioning system are securely installed.

10. Turn on carrier pressure from bottle

a. Perform a Helium Leak Test (as described in Sample Conditioning System (SCS) on page

17)

CAUTION: All connections must be LEAKTIGHT to insure carrier gas consumption is kept to a

minimum.

11. Turn on carrier pressure from bottle and set GC carrier pressure regulator to the desired

pressure as outlined in the Factory Calibration Sheet Provided with the GC.

a. Typical values are 60-90 psig depending on the applications

12. Once the GC oven is at the set point (approximately 1-2 hours), turn on calibration gas and

sample gas to all stream inlets

a. Pressure balance all streams (as described in Sample Volume and Flow Rate on page 16)

13. Connect serial cable to the GC from Laptop (as described on Relay Outputs & Solenoid

Drivers on page 23)

14. Load ICE onto the Laptop (as described on Relay Outputs & Solenoid Drivers on page 23)

15. Log onto the GC and validate communications (as described on Relay Outputs & Solenoid

Drivers on page 23)

16. Check the certified component concentrations (not target mixtures) on the calibration bottle

and configure the component table under MENU/Configuration/Calibration in ICE

a. The values on the calibration bottle must be entered into the GC component table

EXACTLY as printed on the calibration bottle in Mole %

17. Run the Calibration gas as an unknown through the GC for start up

a. Navigate to the Control Screen (MENU/Operations/Control) and select the checkbox for

the calibration gas stream.

i. This will analyze the calibration gas without performing the calibration functions

(updating RF & RT values for each component)

18. Go to MENU/Operations/Diagnostics and open a new chart file

19. Gate all peak Retention Time values in the Calibration Table

a. Continue to analyze calibration gas as an unknown while observing the chromatograms

displayed in the diagnostics menu

b. Note the time at the top of each peak - This is referred to as the Retention Time (RT)

c. Write down all RT values for each component and compare them to the RT values in the

factory calibration sheet provided.

i. If the values have all increased or decreased the user can either:

· Edit the component table with the correct values

· Adjust carrier pressure slightly to line up values and edit from that point

i. If they are randomly above or below the values in the factory calibration data then the

user must configure the component data to match the values on the Chromatogram

without changing the carrier gas pressure

20. Once all RT values are correct and the chromatogram compares favorably with the factory

original, the user can calibrate to the calibration stream

a. Use the GC operations calibration section to MANUALLY calibrate the GC (See

Calibration on page 80)

21. Compare final calibration results to factory calibration and ensure that all RF and RT values

are within the Deviation limits and that the calibration was noted as successful in the final

calibration report

22. Repeat Step 16-21 for each Calibration Table

23. Edit the stream sequencing as required to ensure the desired stream sequencing is configured

into the GC

· Go to MENU/Configuration/Streams

· Click the desired Stream

In Associated Events, setup the System Event and Event Options.

o System Event – Drag and Drop events that will schedule the stream to run

o Event Options – Edit the Run Count

24. Note the chromatogram, raw data and analysis reports for each stream for approximately 2

hours

a. It may be advisable to enter the calibration gas into the stream sequencing as a check on the

stream to stream purge efficiency.

b. Each stream should be completely purged from the sample loop prior to injection and

subsequent analysis of the next stream in sequence.

i. To check this stream to stream purge, enter the cal gas into the stream sequence and

configure the stream sequence for two consecutive analysis of each stream prior to

switching to the next stream in sequence ( i.e. 1,1,2,2,3,3,4,4 etc.)

ii. With two analysis of each stream, note the repeatability for each analysis on a given

stream, pay particular attention to the reported results of N2 and the back flush peak

(usually C6+)

iii. If all streams are being analyzed correctly with repeatable results the stream

sequencing and stream to stream purging is set up correctly

iv. If not, then increase the sample rotameter flow rate from 2 to 3 or 4 and repeat the

procedure until results are repeatable for each stream

25. Confirm manual calibration using the calibration reports

26. Remove the second analysis and calibration gas from the stream sequencing and configure as

desired for online operations

27. Save all device files and chart files to an appropriate location on the hard drive in addition to

factory calibration data for future reference

CUSTOMER CONNECTIONS

CAUTION: This unit requires a disconnect device rated 24 VDC and 5 Amax, must be

protected by a circuit breaker rated 24 VDC and 5 A max, and is to be installed in accordance

with local electrical codes.

CAUTION: Turn off power before servicing. Ensure breakers are off before connecting or

disconnecting supply power.

All customer connections are indicated on the circuit board.

Note: F3 fuse is for the GC oven heater

Figure 7. Controller Board Layout & Power Input

Application Positive Negative/Neutral Ground

AC L-H & F-H

hot

L-N & F-N

neutral

FG

DC L-H & F-H

+

L-N & F-N

-

N/A

Table 3. Customer Connection Summary

Serial Communication

In order to communicate with a 132 analyzer, plug into the RS-232 port located just above the

mainboard.

Figure 8. 132 RS-232 Communication Connections

In order to communicate with a 131, plug into the DIN receptacle located just behind the

window.

Figure 9. 131 DIN Receptacle Communication Connections

Relay Outputs & Solenoid Drivers

Four relays are provided as status outputs, to drive external relays or solenoids. Envent

recommends use of the solenoid drivers for external loads. DO NOT supply external power to

solenoid drivers.

Four solenoid drivers provided to directly drive solenoids for shutdown, auto-calibration or

stream switching.

Figure 10. Relay Outputs and Solenoid Drivers

Valve Expander Option

The GC comes standard with four solenoid drivers. An optional valve expander board is

available for some applications. It is a small board connected to the stepper motor terminal on

the main processor board. This board offers an addition four solenoid drivers for GC

operation.

Figure 11. Valve Expander Option

Figure 12. Valve Expander Wiring

Analog Outputs

Two isolated analog outputs are provided. Both analog outputs are normally set to the full

scale range of the analyzer. Loop power (10 to 32 volts) sourced from the end device (PLC) is

required for the analog outputs.

Figure 13. (4-20 mA) Output Wiring Options

Powered 4-20 mA Option

The GC comes standard with 2 wire 4-20 ma output. An optional 4 wired powered 4-20 ma

output is sometimes included. It is a small board located just below the analog output terminal

on the main processor board.

Figure 14. Powered 4-20 mA Option

Ethernet Board Option

The GC comes standard with three RS485 com. ports and one RS232 com. port. An optional

Ethernet board can be included. It is a small board connected to the I2C terminal on the main

processor board.

Figure 15. Ethernet Board Option

Figure 16. Ethernet Board Wiring

LCD Keypad Display

CAUTION: The glass window on the model 131 must remain installed in order to ensure area

classification is maintained

To configure the 131, if the area is non-hazardous, the window can be removed for basic GC

operations available from the internal buttons or for complete GC operations available serially

through ICE. The 132 is configured in the same manner.

Basic GC operations are configured by using the push-buttons as shown below.

Figure 17. 131 Standard Operator Interface (Similar to 132)

Button Description/Function

Bypass Used to inhibit all analyzer alarms to a non-alarm state, and sets the

Analog 4-20 mA output to 2 mA. The Bypass LED illuminates when

Bypass mode is enabled.

Scroll Right [ → ] Used to move the cursor to the right. Also used to SAVE

Configuration adjustments.

Scroll Left [ ← ] Used to move the cursor to the left. Also used to CANCEL

Configuration adjustments.

Menu/Set Used to cycle through the menu options. Also used to increase

numerical values when making configuration adjustments

Table 4. Analyzer Display-button Functions

INTEGRATED CONFIGURATION ENVIRONMENT (ICE)

Minimum Requirements

Operating System Windows® XP/Vista/7 with latest service pack

Processor Intel® Pentium® III or greater

Video 128MB or greater

Memory 2 GB RAM (1 GB Windows XP)

Storage 1 GB available hard drive space

Media Install from supplied USB Drive

Input Keyboard and mouse required. Other input devices are not supported.

Resolution 800 x 600 minimum display resolution

Windows Updates .NET Framework 3.5 or greater

Introduction

ICE is Envent Engineering’s Windows based user interface software developed specifically for

set up, configuration and troubleshooting analyzers. It provides:

• Advanced diagnostics

• Chromatogram diagnostics

o Overlay

o Zoom

o best fit

• Designed for use with advanced electronic platform for trace component analysis

• Multicomponent analysis with dual calibration tables for analysis of diverse stream

compositions

• Hundreds of sequential chromatograms for use by technicians in a single file

o “Live” mode GC

o “Simulated Analysis” mode

o Offsite post analysis and troubleshooting

ICE Layout

Figure 18. ICE Software Layout

Title Bar

As in most MS Windows™ applications, this allows the user to control the appearance of the

window, move or exit the window. ICE leverages this feature to display a file name (if there is

configuration files open) that will also be reflected in a task bar on the computer.

Menu Bar

A menu bar has been created in an attempt to support standard windows key combinations

such as “Alt-f’s” (for saving a file) and standard notation such as “…” indicating that a dialog

box will appear to accept user input. Included in the menu bar are a number of useful

shortcuts.

All the buttons are accompanied by popup tips that appear when the mouse hovers over the

button. ICONS (from left to right) provide the following functions:

• Create new file

• Open existing file

• Save file

• Select communication port

• Connect to analyzer

• Read data from analyzer

• Write data to analyzer

• Synchronize analyzer clock to PC

• Communications address of analyzer (for TCP/IP addressing)

Selection

ICE provides several Work Pad sheets used for GC configuration, GC Operation, GC Reports

and Archiving, as well as GC Diagnostics. This window pane organizes those sheets and

options into manageable sections for ease of location.

Work Pad

Rather than looking at an overwhelming number of things all at the same time, ICE splits the

configuration, reporting and diagnostic functions into sheets of work that can be focused on

one at time. Example, when setting up a calibration, the only information on the work sheet

is analyzers calibration and timed events.

Connecting to Gas Chromatograph

Step 1. Ensure GC is powered and area is declassified with a hot work permit (if required).

Step 2. Attach supplied serial cable to the analyzer.

Step 3. Copy ICE from the supplied USB drive to your PC.

Step 4. Double click to start ICE.

Step 5. Click and select the appropriate communication port.

Step 6. Click to connect to the GC.

Step 7. Click to read the device configuration from the GC into ICE.

Set Date/Time in Analyzer

The gas chromatograph is factory calibrated in (UTC-07:00) Mountain Time (US

& Canada). To synchronize the Gas Chromatographs date and time to the PC:

Step 1. Click labeled “Sync. device to PC”

Device Files (*.device)

The device file is the application file containing all the configuration information for the gas

chromatograph. The factory configure device file will be included on a separate USB key.

Create a New Device File

Step 1. Click File -> New or Click to create a new device file.

Step 2. Select New Device Type.

Note: Consult Factory for latest Revision Numbers.

Step 3. Click OK to continue creating New Device File.

Open an Existing Device File

Step 1. Click File -> Open or Click to open an existing device file.

Step 2. Select Device File and Click Open.

Upload a Device File from the GC

Step 1. Click .

Note: Device File has completed loading from the GC once the status bar has stopped

updating.

Save a Device File

Step 1. Click File->Save or Click File->SaveAs or Click to save the Device File.

Step 2. If Save As was selected or if the device file was loaded from GC, the user will be

prompted to select the designated folder and create a file name for the device file.

Recommended naming conventions are:

o AsFound SITELOCATION DD MMM YYYY.device

o AsLeft SITELOCATION DD MMM YYYY.device

Close a Device File

Step 1. Click File->Close

Note: Ensure all polling has stopped before closing the Device File.

Import a Device File

The Import function is to be used when updating from an older revision of software or

hardware as there could be compatibility errors from the previous version of device files.

Step 1. Click File->Import

Step 2. Select File to Import and Click Open

Write a Device File to the GC

Note: Before writing a device file to the GC, ensure the GC is in idle state (see Abort

Analysis on page 77). It is also recommended that the “As Found” device file from GC is

uploaded (see Upload a Device File from the GC on page 33) and saved (see Save a

Device File on page 34).

Step 1. Click

Step 2. Before continuing with configuration changes ensure the status bar has completed the

write command.

Chart Files (*.chart)

Click Analyzer Diagnostics to bring up the diagnostics screen in the work pad.

The chart file is a collection of chromatograms generated within ICE. It provides a graphical

depiction of the detector output and is the most significant diagnostic tool used for setup,

calibration, optimization and operations of a gas chromatograph. Each chromatogram is

associated with a raw data report, analysis report and calibration report.

Create a new Chart File/Open an Existing Chart File

Step 1. Click in the Analyzer Diagnostics window.

Step 2. Either type a name for the chart file and click open or select saved chart file and click

open.

Recommended naming conventions are:

o SITELOCATION DD MMM YYYY.chart

Save a Chart File

Step 1. In the Analyzer Diagnostics window, ensure the recording state is disabled.

Step 2. Click the arrow next to the open chart file button .

Step 3. Select Save or Save As

Step 4. If you selected Save As, type a file name and click Save.

Open a Comparative Chart File

Step 1. In the Analyzer Diagnostics window, ensure the recording state is disabled (see

Analyzer Diagnosticson page 78).

Step 2. Click

Step 3. Select a chart file.

Note: A second colored Chromatogram appears in the chart.

Close a Chart File

Step 1. In the Analyzer Diagnostics window, ensure the recording state is disabled.

Step 2. Click the arrow next to the open chart file button .

Step 3. Select Close.

Close a Comparative Chart File

Step 1. Click the arrow next to the open comparative chart file button.

Step 2. Select Close “Chart file name”.

Device Programmer (*.hex)

Device programmer is used to update the firmware in the GC. EEProm replacement is not

required to update firmware in the field. Before using the device programmer consult the

factory.

Step 1. Connect to GC (see Connecting to Gas Chromatograph on page 31)

Step 2. Save current device file (see Save a Device File on page 34) Step 3. Click File-

>Device Programmer

Step 4. Click in the device programmer window

Step 5. Select hex file and click open

Step 6. Click

Step 7. When completed the device programmer window will display ‘Programming Device

Successful’, click

Step 8. Import the previously saved device file (see Import a Device File on page 35).

Step 9. Write the device file to GC (see Write a Device File to the GC on page 36).

GC Configuration

System Events

The Gas Chromatograph is an event driven analyzer. Events are used to define the following

functions:

• what intervals archives, calculations and statistics are recorded

• stream switching events and intervals (such as auto calibration)

• when alarms, DI’s and DO’s become active or inactive

• when the system goes to idle or bypass

Click Events to bring up the events setup window in the work pad. Events can be added,

deleted and modified.

Note: After modifying and deleting events ensure all events that were setup are still

valid.

Add Event

Step 1. Double click next to the * to create a new event.

Step 2. Click the arrow next to an event to bring up a menu to select an event.

Modify Event

Step 1. Click the arrow next to an event and select a new event class or modify the event

attributes.

Modify Event Attribute Example

Step 1. Click the event to modify (in this example, we are modifying the Interval event).

Step 2. Click the arrow in the attributes window.

Step 3. Select the interval.

Delete Event

Step 1. Click the box next to the event labeled ## of 32.

Step 2. Click Delete on your Keyboard

Pivot Table

Defines the components to be measured and referred to in the component table found in the

calibration work pad.

To setup the pivot table follow the following steps:

Step 1. In the pivot table work pad, type a name of the component in the Name column. You

may also type a further description if required in the description column.

Note: Components will appear in the calibration table and in reports in the order

assigned by the pivot table.

Step 2. Under the Cal. Table column, click the arrow next to the associated table and select

from three options:

• Table 1 – Component is only associated with calibration table 1.

• Table 2 – Component is only associated with calibration table 2.

• All Tables – Component is associated with both calibration tables.

Step 3. Under the Component Anchor column, select the component (if available) to which

the physical properties for the component are to be anchored with.

Physical Properties Calculations

This is the area where physical properties can be defined for additional calculations based on

the compositional measurements provided by the GC.

Setup Physical Property Calculations

Step 1. Click Basic Setup Tab

Step 2. In the Basic Setup work pad, select from three different physical property calculations:

o ISO 6976

o AGA 5 – Imperial

o AGA 5 – Metric (SI)

Step 3. Enter the base conditions: Standard Temperature, Base Temperature and Base

Pressure.

Step 4. If applicable, determine the C6+ split between Hexane, Heptane, Octane, Nonane and

Decane.

Step 5. Click Update Properties for the default physical property calculations.

Step 6. Click Physical Properties Tab to verify the physical properties.

Step 7. Select the calibration table to associate the physical property. All streams associated

with that calibration table will report those physical properties selected.

Step 8. If applicable assign a constants anchor to the physical property. If assigned, the

physical property values will be updated from either the AGA 5 standards or ISO 6976

standards when Update Properties is clicked (Step 5).

Note: Additional physical properties can be added without a constant anchor. The user

will have to manually input component property values individually.

Streams

The Streams work pad is used to setup stream switching, type, associated cal. table, outputs

and run count.

Stream Setup

Step 1. Type Stream Name

Step 2. Select Stream Type by clicking the arrow under the stream type column. There are

four available stream types:

1. Process – The process streams to be analyzed

2. Calibration – A NIST traceable standard used to calibrate one of the GC calibration

tables.

3. Reference – Running calibration gas as an unknown to verify repeatability or linearity.

4. Baseline – Running analysis without sample inject for a baseline check.

Step 3. Set Purge Time. The purge time must be long enough for an adequate purge of the

sample loop when switching streams. Purge time betgins when the Purge Next timed event is

scheduled or at the end of analysis.

Step 4. Select Cal. Table. Two calibration tables are available to allow for diverse stream

compositions to be measured. Select the calibration table that is associated to the stream.

Step 5. Select Purge Outputs. Used primarily for stream switching. Select the appropriate

solenoid or valve to activate stream (if required). A number of other options are available to

notify when a stream has begun to purge (relay, virtual point, LED).

Step 6. Select Telemetry Outputs. Used primarily for actions taken while a particular stream is

running.

Step 7. Select Stream Activation(s). Activation events are created in the Events work pad (see

System Events on page 42).

When an event is selected, a box will pop up that allows the user to select how many runs will

occur on that stream before another stream will be run. In general, only Continuous, Manual

Activation or Intervals are used for stream selection. Intervals vary from seconds to yearly

events.

Step 8. Set Valid Run Count (if applicable – for calibration streams only).

Setup Manual Calibration

Step 1. Create a Manual Activation Event (see Add Event on page 42).

Step 2. Edit the Manual Activation Attribute (see Modify Event on page 42) to the desired

calibration stream.

Step 3. Click the Streams tab to enter the Streams work pad.

Step 4. Setup a calibration stream (see Stream Setup on page 47 – steps 1 - 6)

Step 5. When selecting the activation event, select the manual activation event for that stream.

Step 6. Set the run count to 3 (or greater)

Step 7. Set the valid run count to 2 (or at most 1 less than the run count)

Step 8. Click

Setup Auto Calibration

Auto Calibration is an event where a calibration is automatically run at a chosen time or

interval. The following steps will allow the user to properly configure an auto calibration.

Step 1. Click the Events tab to enter the Events work pad.

Step 2. Create an Interval Event (see Add Event on page 42)

Step 3. Edit the Interval Attribute (see Modify Event on page 42) to the desired interval

(typically Daily at 8am).

Step 4. Click the Streams tab to enter the Streams work pad

Step 5. Setup a calibration stream (see G.9.4.a Steps 1 - 6)

Step 6. When selecting the Activation event, select the interval event created

Step 7. Set the run count to 3 (or greater)

Step 8. Set the valid run count to 2 (or at most 1 less than the run count)

Step 9. Click

Analog Inputs

There are two analog inputs available in the GC. They are internal analog signals reserved for

GC oven temperature and detector input (TCD).

Note: Consult factory before attempting any modifications.

Analog Outputs

There are two available analog outputs for configuration. Analog outputs can be assigned to

any calculated or real time variable within the analyzer.

Setup Analog Outputs

Step 1. Click the Analog Outputs tab to open the Analog Outputs work pad.

Step 2. Drag a variable from the variables tab to the Variable Column, either 1 of 3 or 2 of 3.

Step 3. Select Enabled in the Track Mode Column.

Step 4. Select the appropriate Input Zero and Input Span.

Step 5. Setup Output Zero (see Setup Analog Outputs on page 50)

Step 6. Setup Output Span (see Setup Analog Outputs on page 50)

Setup Output Zero & Output Span:

Step 1. Click Base Diagnostics tab to open Base Diagnostics work pad.

Step 2. Click

Step 3. Set the Simulated Output to 0.00 for the AO #1.

Step 4. Adjust the Output Zero until 4 mA is displayed on the multi-meter (or HMI/PLC)

Step 5. Set Simulated Output to full scale (Input Span set in see Setup Analog Outputs on

page 50)

Step 6. Adjust the Output Span until 20 mA is displayed on the multi-meter (or HMI/PLC)

Step 7. Set Simulated Output to midscale. Approximately 12 mA should be displayed.

Step 8. Click

Step 9. Repeat for AO #2

Step 10. Click

Step 11. Click Analog Outputs tab to enter Analog Outputs work pad.

Step 12. Ensure Output Zero and Output Span have been updated for the AO #1 and AO #2.

Step 13. Click

Discrete Inputs

Discrete inputs (DI) can be used for external inputs such as switches or toggles (typically used

for carrier pressure switch). Typically used for alarming conditions, stream switching or to

turn the GC analysis on or off.

Discrete Outputs

Discrete outputs can be either relay outputs, configured as NC/NO (total of 4), or solenoid

outputs, configured as NC/NO (total of 4).

Typical applications utilize S1-S4 solenoid outputs for stream switching or GC valve

actuation.

S4 defaults to GC valve actuation and S1 – S3 defaults to stream 1 to stream 3 select

(calibration included). In some applications, S3 can be used as a second GC valve output if

required.

Where greater than 4 solenoid outputs are required, a valve expander board is available and

driven from the stepper motor outputs to give an addition 4 DO’s/switching AC power. These

additional 4 outputs are referenced in software as V1-V4.

Setup Oven Temperature PID Parameters

Step 1. Click Calculations Tab to enter the Calculations work pad.

Step 2. Select the variable ‘Core/Analog Inputs/Oven Temp./Output Value’ from the variables

tab and drag and drop it into the Calculations work pad under variable #1 column.

Step 3. Select PID in the Calculator Unary Complex column.

Step 4. Select Interval Every Sample in the Activation column.

Step 5. Under the Output Value window, enter the desired values for the PID parameters:

• Set point (Oven Temperature oC)

• Proportion (default 2.0)

• Integral (default 0.0005)

• Derivative (default 0.0)

• Windup Limit default (10)

Step 6. Click to save changes to the GC.

Alarms

Add alarms

Step 1. Click Alarms tab to enter Alarms work pad.

Step 2. Drag and drop an alarm variable from the variables tab to the variable column.

Step 3. Create a description.

Step 4. Select

Step 5. Set the desired Set point.

Step 6. Set the Hysteresis. The Hysteresis is the point in which the alarm will deactivate.

Step 7. Check if the Alarm should be latched when activated. This means the alarm

will stay active until unlatched using the ICE software. This is typically used to ensure an

alarm is not missed.

Step 8. Select any Output Controls as necessary. (Relays, LEDs, Solenoids, Valves, Virtual

Points).

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Gas Chromatographs Model 131 & 132 · unpacking, unless otherwise specified in the incoterms....

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