Online pH Controller DPH 513

ON LINE pH CONTROLLER

MODEL: DPH513

Version: 1.00

Operating Manual

GLOBAL ELECTRONICS, 3-5-331, Narayanguda,

Hyderabad 500029, India Ph: +91 40 2322 1391, 2322 6687

URL: www.ge-india.com

Global Electronics, Hyderabad 500029 India Project: DPH513 Ver: 1.00 Date: 11/4/2009

Prepared by: PT Reviewed by: File:513 OP MAN 031109 Page:2 of 48

GENERAL SAFETY Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. To Avoid Fire or personal Injury Use Proper Power Cord: Use only the power cord specified for this product and certified for the country of use. Connect & Disconnect Properly: Do not connect or disconnect probes or test leads while they are connected to a voltage source. Ground the Product: This product is grounded through the grounding conductor of the power cord. To avoid electric shock, the grounding conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, ensure that the product is properly grounded. Connect the Probe Properly: The probe ground lead is at ground potential. Do not connect the ground lead to an elevated voltage. Observe all Terminal Ratings: To avoid fire or shock hazard, observe all ratings and marking on the product. Consult the product manual for further ratings information before making connections to the product. Do not operate without Covers: Do not operate this product with covers or panels removed. Use Proper Fuse: Use only the fuse type and rating specified for this product. Avoid Exposed Circuitry: Do not touch exposed connections and components when power is present. Do not Operate with Suspected Failures: If you suspect there is damage to this product, have it inspected by qualified service personnel. Provide Proper Ventilation: Refer to the manual’s installation instructions for details on installing the product so it has proper ventilation. Do not operate in Wet/Damp Conductions.



MANUAL HISTORY: Status: Public Circulation Date Last Modified: 20-07-2009 Document Owner: PT Distribution List: Client: DPH513 Users

Global: Marketing, Service Date Description Person Version 14-09-2009 First Version GS/MP 1.00



INDEX Page No

1.Introduction -----------------------------------------------------------------------------------------------5 2.Description ------------------------------------------------------------------------------------------------5 3.Salient features ----------------------------------------------------------------------------------------- 6 4.Functional specifications ----------------------------------------------------------------------------7 5.Technical specifications --------------------------------------------------------------------------- --8 6.Front panel keys operation --------------------------------------------------------------------------9 7.Program mode Flow diagram -----------------------------------------------------------------------11

8.Configuration mode flow diagram ----------------------------------------------------------------13 9.Typical display -------------------------------------------------------------------------------------------13 10.Front panel Led Indications ------------------------------------------------------------------------14 11.Modes of operation -----------------------------------------------------------------------------------15 12.Run mode ------------------------------------------------------------------------------------------------16 13.Calibration mode ---------------------------------------------------------------------------------------18 14.pH calibration --------------------------------------------------------------------------------------------18 15.Temperature calibration -----------------------------------------------------------------------------20 16.Limit mode -----------------------------------------------------------------------------------------------21 17.Mark-Space mode -------------------------------------------------------------------------------------24 18.ATC Select mode --------------------------------------------------------------------------------------26 19Change MTC mode -------------------------------------------------------------------------------------26

20.Configuration mode -----------------------------------------------------------------------------------27 21.High temperature limit mode -----------------------------------------------------------------------28 22.Dose ON time mode ------------------------------------------------------------------------------------29 23.Alarm delay time mode------------------------------------------------------------------------------ -30 24.Alarm mute time mode --------------------------------------------------------------------------------31 25Communication id set mode -------------------------------------------------------------------------32 26.Calibration standard mode ------------------------------------------------------------------------- 33 27.Baud rate setting mode -------------------------------------------------------------------------------34 28.Password change mode ----------------------------------------------------------------------------- 35 29.Load default mode ------------------------------------------------------------------------------------- 36 30.Error list ----------------------------------------------------------------------------------------------------37 31.Communication protocol -----------------------------------------------------------------------------38



1.Introduction: DPH513 is next generation ONLINE pH Controller designed & developed by Global Electronics. It is a versatile instrument, which employs a unique “Dual Mark Space Automatic control algorithm” for control mechanism of pH. It also has powerful communication interface Modbus communication (Modbus protocol). 2. Description:

DPH513 is Micro controller based design with advanced fault tolerant design. It simultaneously displays pH or ORP and Temperature. It incorporates advanced calibration method through the software. User can select primary display for pH or ORP. This unit has a powerful communication interface using RS 485 multi dropping communication protocol which connects up to 30 Instruments to a Host Computer / SCADA system on a single pair of wires. 3. Salient Features: Microprocessor based design with `Self Diagnostics Program’ the system

checking itself, the electrode and temperature sensor for faults.

Truly versatile stand-alone instrument.

Extremely user-friendly keyboard and prompting display for easy operation.

Easy calibration from keyboard.

Display of pH with selectable mV display for ORP & Temperature.

Auto / Manual Temperature Compensation

Poor Electrode condition warning.

Totally environment proof keyboard.

Data stored unaffected by power Interruptions.

Automatic Display/decimal adjustment depending upon the range.

Powerful communication interface: RS485

Selectable primary display: pH or ORP.



4. Functional Specification: • Dual display pH/ORP and Temperature.

• Two rows, 4 digits & 3digits High Brightness seven segment LEDs display.

• Eleven annunciation LEDs for pH, Dose, ATC mode, Communication etc.

• One, two & three point software calibrations are available for pH & one point, two point calibrations for temperature.

• Two selectable calibration standard NIST/USA.

• Automatic & manual dosing selection mode.

• RS 485 multi dropping communication for Host Controller / SCADA System

• Digital Data transmission for zero error data recording.



5.TECHNICAL SPECIFICATIONS:

Display: 7 Digit, High brightness 7 -Segment LED &

11 Annunciation LED’s.

Display Digits: 4 Digits for pH/mV, 3 Digits for Temp.

Ann: ATC, °C, Lo, pH, mV, PGM, Dose, COM, HT, Hi, HALT

pH mV TEMP.

Measurement Range -2.00 to 16.00 1999 -50 to + 200 C.

Resolution 0.01 1mV 0.1(-19.9 to 99.9)

1 ºC <-19.9 & >99.9

Accuracy 0.1% 1 digit 0.1% 1 digit 0.1% 1 digit

Reproducibility 0.01 0.1 / 1 0.1 / 1

Temperature compensation Manual / Automatic -50 to + 200 C

Input impedance: 10 13 Ohms

Input bias current: 1 pA @ 25 C

AP Range: ± 75 mV

Slope: 75% to 125%



Calibration: pH: Single, Two- point or Three - point calibration

Using any standard of USA: 4.01, 7.00 and 10.00

Or NIST: 4.01, 6.86 & 9.18 in any order.

Temperature: Single & Two point at any temperature.

Programming: Direct Keyboard Entry: 5 Keys

Data entry: Through user-friendly keyboard and

Prompting display.

Control: Dual mark space Control with Dump dose option

Communication: RS485 MODBUS RTU

Dimensions: 96 x 96 x 150 (w x h x d)

Power: 230V 10% 50Hz 5 VA



PGM ESC

DOSE

HI

ENT ACK

LO

6. Front panel keys operation:

ProGraM/Escape Key, Modes: RUN, Configuration, Load default, Program.

At “Power ON” if this key is pressed, it initiates “Configuration mode” & “Load Default”

During normal “Run mode”, if this key is pressed, “Program mode” is initiated Return from any mode without saving changes (Escape) Return back to previous screen (Back)

DOSE/SCROLL Key, Modes: RUN, Configuration, Load default, Program.

For manual dosing selection (in RUN mode “DOS?”). Select next function available in Configuration mode & Program mode. Select next digit when user is entering any numerical data (e.g. Password

entry, Calibration values, etc.)

HIGH/INCREMENT Key, Modes: RUN, Configuration, Load default, Program.

When manual dosing selected (within 5 sec) and instrument in Normal or

High control then use for High dosing selection (in RUN mode “HI?”). Increments selected digit during the data entry (roll over to minimum digit

after digit value reached to maximum).

LOW/DECREMENT Key, Modes: RUN, Configuration, Load default, Program.

When manual dosing selected and instrument in Normal or Low control then

use for Low dosing selection (in RUN mode “Lo?”). Decrements selected digit during the data entry (roll over to maximum digit

after digit value reached to minimum).

ENTER/ACKNOWLEDGE Key, Modes: RUN, Configuration, Load default Program.

Display mV (if primary display is pH) Start dosing HI or LO dose, if HI or LO dose is selected. Acknowledge alarm. Goes into the selected displayed function. Accepts and stores displayed value or status. Accept and store program changes.

PGM ESC

DOSE HI ENT ACK

LO



PGM ESC

PGM ESC

ENT ACK

DOSE

7.Functional Flow diagram:

DPH513 Power On starts

Configuration, Load Default

Run mode

Program mode

Display mV

Manual Dosing



8.Program (PGM) mode flow diagram:

PGM mode

Calibration mode

pH (1, 2 & 3 points)

Limit mode

TEMP (1& 2 points)

VH HH Lo

VL HI LL

Mark/Space

M1 S1 M2 S2

Select ATC

ATC MTC

Set MTC

1pH (1 point)



9.Configuration (CONF) mode flow diagram:

CONF mode

High Temperature

Alarm Delay

Alarm Mute

Password Change

PGM CONF

Calibration Standard

Dose Time

Communication ID

Baud Rate

Primary Display



ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

10. Typical DPH513 display:

When instrument is powered “ON”, DPH513 display will

scroll on first row & second row displays version of DPH513.

pH or ORP (mV)

Temperature in C

*Second row blink: When ATC goes out of range, then MTC will select automatically.

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

11. Front panel LED indications:

The Front panel display is having two rows with four 7- segment led’s on the upper row

and three 7-segment led’s on lower row. In addition, it has 11 LED Annunciation indicators.

1. HI limit LED indicates pH has crossed HIGH limit set point (even if control is OFF). 2. DOSE LED is ON while dosing (MARK).

3. LOW limit LED indicates pH has crossed LOW limit set point (even if control is OFF). 4. HALT LED indicates control is off.

5. COMMUNICATION LED blinks when slave is communicating with master. 6. PGM LED indicates Instrument is in other than RUN mode. 7. pH LED indicates instrument showing pH in first row of display. 8. HT LED indicates Temperature has crossed HIGH limit of Temperature.

9. mV LED indicates instrument showing milli volts in first row of display.

10. C LED indicates instrument-showing temperature in second row of display. 11. ATC LED indicates instrument is in ATC mode when it glows continuously,

in MTC mode ATC LED blinks.



12. Modes of operation: RUN Mode

CONFIGURATION mode

LOAD DEFAULT mode

PROGRAM mode

1. CALIBRATION mode

2. LIMIT mode

3. SET MARK SPACE mode

4. SELECT ATC mode

5. CHANGE MTC mode

RUN Mode: Displays pH or ORP & Temperature with visual status annunciation of limits and other functions / modes. Whenever the device is switched “ON”, it performs “Self Test” and if no key pressed during Power On, it goes into RUN mode, it remain in RUN until any key press.

RUN mode function:

Displays pH or ORP (as per primary display selection) & HI or LO limit with dose status.

Displays temperature, temperature compensation (ATC or MTC) type & HIGH temperature limit status.

If ENTER key press then instrument will display mV if it is in pH mode & remain until 1 minute or again ENTER key press.

Shows if instrument is in HALT (no control).

If control is activated & pH crossed any of limits as per auto control mark/space relays will switch ON.

If SCRL/DOSE key is pressed it will display dos? on the upper row and waits for 5 second for HI or LO key press otherwise display again pH.

If INCR/Hi key is pressed and if Instrument in Normal or High control mode it will display Hi? For 5 second or up to enter key press.

If DECR/Lo key is pressed and if Instrument in Normal or Low control Mode it will display Lo? For 5 second or up to enter key press.

If ENT key press then Instrument will dose for preset period as per Hi or Lo control.



ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

►: In run mode when scroll key is pressed it displays doS? as shown. This is manual dose setting for pH. ▲: If instrument is in Normal/High control mode then only this key will activate & Hi? Will display on first line for 5 second. ▼: If instrument is in Normal/Low control mode then only this key will activate & Lo will display

on second line for 5 second or enter key press.

ENT: Start dosing HI. ENT: Start dosing LO.

PGM mode: To enter into PGM mode user has to press PGM key after power ON.

Note: The PGM mode is password protected. The display is as shown below. ENT: Prompts the user for password. PGM: Goes to RUN mode again.

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT



ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

To enter into program mode first user has to enter correct password. ►: Select next digit. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. ENT: Enters into program mode if password is correct. PGM: Goes to RUN mode again.

If the password entered is correct, it will go to Channel Selection function. If user entered password is not correct then display is as shown. This screen will be there for few Seconds and returns to previous screen.

If the password is not correct, it will show the following screen:

If the entered password is correct, display will be as Shown. After entering PGM mode user has access to five sub modes.

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT



Calibration Mode: In DpH-513 calibration can be done for pH and temperature. For pH, one, two and three-point calibration is possible where as for Temperature One, two-point calibration is possible.

Display shows it is ready for Calibration. ►: Enters into next mode i.e. LIMIT setting. ENT: Enters into pH CAL display as shown. PGM: Goes to previous screen.

PH Calibration: On this display, we can see that C annunciation LED is not glowing indicating that process of calibration is taking place.

►: If scroll key is pressed process will go to temperature calibration. ENT: Enter into 1 pt pH calibration. PGM: Goes to previous screen.

One Point Calibration: ►: Enters into 2-point pH calibration. ENT: Displays pH value set previously on upper screen with 1p1 on lower screen. PGM: Goes to previous screen. ►: Selects other Standard pH values i.e. 4.01,10.01 ENT: Display blinks alternatively with two values Actual value and calibration standard value indicating the process of calibration has started. PGM: Goes to previous screen

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT



ENT: Accepts entered pH value if calibrated properly In addition, will be ready for next value. PGM: Goes to previous screen

This screen appears during calibration process for few seconds. If calibration is successful then next screen is as shown.

This screen appears for few seconds indicating that calibration is done successfully.

If calibration is done wrong then error screen will be as shown. This will remain for short time and once again goes to previous screen

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



Two point Calibration:

►: Enters into 3-point pH calibration. ENT: Displays pH value set previously on upper screen with 2p2 on lower screen. PGM: Goes to previous screen. ►: Selects other Standard pH values i.e. 4.01,10.01 ENT: Display blinks alternatively with two values Actual value and calibration standard value indicating the process of calibration has started. PGM: Goes to previous screen. ENT: Accepts entered pH value if calibrated properly In addition, will be ready for next value. PGM: Goes to previous screen. ►: Selects other Standard pH values i.e. 4.01,10.01 ENT: Display blinks alternatively with two values Actual value and Calibration standard value indicating the process of calibration has started. PGM: Goes to previous screen.

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



ENT: Accepts entered pH value if calibrated properly In addition, will be ready for next value. PGM: Goes to previous screen. This screen appears during calibration process for few seconds. If calibration is successful then next screen is as shown. This screen appears for few seconds indicating that calibration is done successfully.

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



Three Point Calibration:

►: Enters into 1 pt pH calibration. ENT: Displays pH value set previously on upper screen with 3p3 on lower screen. PGM: Goes to previous screen. ►: Selects other Standard pH values i.e. 4.01,10.01 ENT: Display blinks alternatively with two values Actual value and Calibration standard value indicating the process of calibration has started. PGM: Goes to previous screen. ENT: Accepts entered pH value if calibrated properly In addition, will be ready for next value. PGM: Goes to previous screen.

►: Selects other Standard pH values i.e. 7.00,10.01 ENT: Display blinks alternatively with two values Actual value and Calibration standard value indicating the process of calibration has started. PGM: Goes to previous screen.

ENT: Accepts entered pH value if calibrated properly In addition, will be ready for next value. PGM: Goes to previous screen.

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



►: Selects other Standard pH values i.e. 7.00,10.01 ENT: Display blinks alternatively with two values Actual value and Calibration standard value indicating the process of calibration has started. PGM: Goes to previous screen.

ENT: Accepts entered pH value if calibrated properly In addition, will be ready for next value. PGM: Goes to previous screen.

This screen appears during calibration process for few seconds. If calibration is successful then next screen is as shown.

This screen appears for few seconds Indicating that calibration is done successfully.

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



Single-point pH (Graph) calibration: In this mode any one of the standard pH value Can be calibrated i.e. 4.01,7.00 or 10.01 can be calibrated individually. This is also Called slope calibration.

►: Enters into normal pH calibration. ENT: Displays all zero’s 00.00 on the upper row With 1PH on the lower screen. PGM: Goes to previous screen. ►: If scroll key is pressed selects next digit and digit blinks. ENT: Enters into 1pt calibration. PGM: Goes to previous screen.

This screen appears when calibration is done wrongly and this will be there for few seconds and returns to previous screen.

If calibrated correctly the display will be as shown. This screen displays that 1pt graph calibration for 7.00 pH is done correctly.

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGMCOMM

LO

DOS

HALT



TEMPERATURE Calibration: Unlike pH calibration for temperature calibration we have either Single or Two point calibration.

►: Enters into pH calibration. ENT: Enter into (single point) 1 pt temperature Calibration and ready for set point entry. PGM: Goes to previous screen. ►: Enters into 2 pt temperature calibration. ENT: Enter into (single point) 1 pt temperature Calibration and enters set point. PGM: Goes to previous screen. ►: Selects next digit to set the required value. ENT: Accepts set value if calibrated correctly. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen. This error screen indicates temperature calibration Error. It appears for a short time and displays Previous screen.

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



►: Enters into 1pt temperature calibration. ENT: Enters into 2pt temperature calibration. PGM: Goes to previous screen.

►: Selects next digit to select the required value. ENT: Accepts set value and goes for next calibration. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen.

►: Selects next digit to select the required value. ENT: Accepts set value if calibrated correctly. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen.

This screen indicates temperature calibration error.

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT



LIMIT Mode: To enter into LiMit mode, user has to press ► key after calibration mode Screen. This limit mode setting is for Auto pH dosing control it’s having six limit settings Available in DpH-513 they are VH, HH, Hi, Lo, LL, and VL (Range –2.00 to 14.00 pH). Sets Hi and Lo limit for Auto dosing. For High and Low limit Relay 1& 2 will switch on Respectively.

►: Selects Mark space setting mode. ENT: Enters into limit setting mode. PGM: Goes to previous screen.

This display indicates very high limit setting. ►: Selects next limit setting i.e. HH limit mode. ENT: Enters into VH (very high) limit mode. PGM: Goes to previous screen.

The display shows Actual value for VH limit setting. ►: selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen.

Note: If the user wants to change any limit setting in the valid range. It is validated only after pressing the enter key two times else the device will not accept any changes made in limit setting mode. For example consider that Very high limit value is incremented once. The new value on display is as shown in next screen.

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT



ENT: If enter key is pressed then next Screen appears as shown below. PGM: Goes to previous screen. This screen appears once Enter key is pressed. If the changed limit setting is to be validated Again ENTER key should be pressed. The display is as shown indicating that changes made in limit setting are validated.

This is for upper limit setting for high relay ►: Selects next limit setting i.e. Hi limit mode. ENT: Enters into HH limit mode. PGM: Goes to previous screen. The display shows actual value for HH Limit setting. ►: selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼:Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen.

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'C

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



This is for lower limit setting for high relay ►: Selects next limit setting i.e. Lo limit mode. ENT: Enters into Hi limit mode. PGM: Goes to previous screen. The display shows actual value for Hi Limit setting. ►: selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼:Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen. This is upper limit setting for low relay. ►: Selects next limit setting i.e. LL limit mode. ENT: Enters into Lo limit mode. PGM: Goes to previous screen.

The display shows actual value for Lo limit setting. ►: selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼:Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen.

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT



This is lower limit setting for low relay.

►: Selects next limit setting i.e. VL limit mode. ENT: Enters into LL limit mode. PGM: Goes to previous screen.

The display shows actual value for LL limit setting.

►: selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen. This display indicates very low limit setting. ►: Selects next limit setting i.e. VH limit mode. ENT: Enters into VL limit mode. PGM: Goes to previous screen. The display shows actual value for VL limit Setting. ►: Selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen.

NOTE: For limit mode entry the limit settings should follow the condition. If the condition is violated then error screen will appear. VH > HH > HI > LO > LL > VL.

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT



SET MARK SPACE Mode: This mode setting controls the ON/OFF time for both pH control relays. The mark space timing for relays range from 1 to 250 seconds. Mark (M1, M2) denotes that corresponding relay is ON for specified time. Space (S1, S2) denotes that corresponding relay is OFF for specified time.

The display shows mark space setting. ►: Goes to ATC select mode. ENT: Enters and will be ready to accept values. ▲/▼: Increment/decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen.

The display shows mark 1setting for relay R1. The relay will be on for specified set time.

►: Goes for (space 1) S1 time setting. ENT: Enters and will be ready to accept values. Display will be as shown below. PGM: Goes to previous screen.

►: selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen. ►: Goes for (mark 2) M2 time setting. ENT: Enters and is ready to accept values. Display will be as shown below. PGM: Goes to previous screen.

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT



►: Selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen. ►: Goes for (space 2) S2 time setting. ENT: Enters and will be ready to accept values. display will be as shown below. PGM: Goes to previous screen. ►: Selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen. ►: Goes for (mark 2) M2 time setting. ENT: Enters and will be ready to accept values. display will be as shown below. PGM: Goes to previous screen. ►: Selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen. ATC SELECT Mode: In this mode we can select either MTC

or ATC function.

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT



►: Goes to Change MTC mode. ENT: Enters and accepts changes display is as shown below. PGM: Goes to previous screen. ►: Selects MTC mode. ENT: Accepts and stores the selected mode. PGM: Goes to previous screen. ►: Selects ATC mode. ENT: Accepts and stores the selected mode. PGM: Goes to previous screen.

Note: If MTC mode is selected temperature is set to 25C by default. CHANGE MTC Mode: In this mode we can manually adjust the temperature provided MTC Mode is selected the temperature can be varied from –50 to 200°C.

►: Selects CALIBRATION mode. ENT: Goes for next screen in MTC mode. PGM: Goes to previous screen.

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT

ATC

'C

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

ATC

'CmV

pHHT

HI

PGM

COMM

LO

DOS

HALT



►: Selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen.

Configuration Mode: (Can be activated only during Power ON) To enter into CONFIG mode, first press PGM key & then switch ON the device, continue pressing PGM key until all LED’s are switched OFF except PGM, HALT, ATC LED. In configuration mode, following functions can be set:

1. High temperature limit setting (Htnp Lnt) 2. Dose time (dose tne) 3. Alarm delay (ALrM dly) 4. Alarm mute (ALrM Mut) 5. Communication Id (COMM Id) 6. Baud rate (baud rte) 7. Password change (Psd CHn) 8. Calibration standard (Cal Std) 9. Primary display (Pri dsp)

If enter key is pressed it will prompt for password and display is as shown below. The display is as shown. Enter correct password (three digits numeric) 000 to 999 and press enter key. If password is not correct, all the settings including the password can be set to default by loading default mode.

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



This display will be there for few seconds, provided Correct password is entered. Otherwise error screen Will appear. This screen will appear for few seconds and again Configuration screen appears.

High Temperature Limit: This mode is for High temperature range setting. Temperature can be varied from 0 to 190 C.

►: Selects Dose On Time mode. ENT: Enters into High temperature limit mode and display is as shown. PGM: Goes to previous screen. ►: Selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit by 1 for each keystroke. PGM: Goes to previous screen.

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



This will appear for few seconds if High temperature settings are with in the range.

Dose On Time: This is manual mode setting of time span for which dosing of pH takes place. It ranges from 1 to 255 seconds.

►: Selects Alarm delay Time mode. ENT: Enters into dose time setting. PGM: Goes to previous screen. ►: Selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen.

This screen indicates that dosing time has been set successfully.

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



Alarm delay time: In this mode user can set the time delay (1 to 9 Sec) for Alarm. Depending on the time delay set by user Alarm is raised only after specified delay is completed. This is to avoid any false alarms. It is used for dosing HI or Lo limit.

►: Goes to Alarm mute mode. ENT: Enters into Alarm delay mode setting and display is as shown. PGM: Goes to previous screen. ►: Selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen. This display indicates that alarm delay set is accepted.

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



Alarm Mute period: In this mode once the alarm is acknowledged it can be muted for set period. The range is 1 to 255 minutes. By default, mute period is set to 1 minute.

►: Goes to Communication Id mode. ENT: Enters into Alarm mute period setting and display is as shown below. PGM: Goes to previous screen.

►: Selects next digit selected digit blinks. ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen.

The display shows that mute period set by user is accepted.

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



Communication ID Setting: This is id setting mode for RS-485 communication. The communication id is unique and should be in the range 1 to 255.

►: Goes to Communication id mode. ENT: Enters into id setting mode and display is as shown below. PGM: Goes to previous screen.

►: Selects next digit selected digit blinks ENT: Accepts and stores the entered value. ▲/▼: Increment / decrement selected digit an 1 for each keystroke. PGM: Goes to previous screen.

This screen indicates that set id has been Successfully accepted.

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



Calibration standard: There are two types of standards for calibration. 1.USA standard (7.00,4.01,10.01). 2.NIST standard (6.86,4.01,9.18).

►: Goes to High temperature limit mode. ENT: Enters into Calibration standard setting and display is as shown below. PGM: Goes to previous screen. ►: Goes to NIST Cal mode. ENT: enters into USA STD mode and ready to accept changes. PGM: Goes to previous screen. ►: Goes to USA Cal mode. ENT: enters into NIST STD mode and ready to accept changes. PGM: Goes to previous screen.

Note:

By default, USA standard is selected for Calibration. If USA standard mode is selected calibration will be done for buffers 4.01,7.00 and 10.01

pH. If NIST standard mode is selected calibration will be done for buffers 4.01,6.86 and 9.18

pH.

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT



Communication baud rate setting: Using this mode user can adjust the baud rate settings for the device to communicate with master. Standard baud rates available are 4800 bps, 9600 bps, 19200 bps, and 38400bps.

►: Goes for Password change mode. ENT: Enters into baud rate setting mode. PGM: Goes to previous screen.

►: Selects next standard baud rate. ENT: Accepts and stores the entered value. PGM: Goes to previous screen. This screen shows that baud rate setting has been successful.

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



Change Password mode: In DpH-513 password protection is provided for Configuration mode and Program mode, user can change password of these modes.

►: Goes to Calibration standard mode. ENT: Enters into password change mode (Configuration/program). PGM: Goes to previous screen.

►: Goes to program password change mode. ENT: Enters into Configuration password change mode. PGM: Goes to previous screen.


This screen indicates that password change is Successful for configuration mode.

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT



►: Goes to Configuration password change mode. ENT: Enters into Program password change mode. PGM: Goes to previous screen.


This screen indicates that password change is successful for Program mode.

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT



Primary Display mode: Using this mode a choice can be made that either pH or ORP should appear on the screen. By default pH will appear on screen.

►: Goes to High temperature limit setting mode. ENT: Enters into selection of either pH or ORP. PGM: Goes to previous screen. ►: Selects ORP mode. ENT: Accepts and stores selected mode (pH or ORP). PGM: Goes to previous screen.

►: Selects ORP mode. ENT: Accepts and stores selected mode (pH or ORP). PGM: Goes to previous screen.

This screen occurs on display when enter key is Selected After selecting either pH or ORP mode.

ERROR LIST:

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pH

HTHI

PGM

COMM

LO

DOS

HALT

'C

ATC

mV

pHHT

HI

PGM

COMM

LO

DOS

HALT



Error1 (er1) is displayed when ADC error occurs.

Error2 (er2) is displayed when error occurs due to wrong calibration CAL error.

Error3 (er3) is displayed when error results from storing and retrieving data from

nonvolatile memory EEPROM error.

Error4 (er4) is displayed when wrong password is entered PASSWORD error.

Error5 (er5) is displayed If pH calibration is done without temperature compensation

i.e. temperature <0C & >61C.



Communication Protocol

Instrument: Digital pH Meter Model: DPH513 Version: 0.00, 1.00 Protocol: MODBUS RTU Communication Mode: RS485 (Max 32 units) Communication Port Setting

Baud rate – 4800, 9600, 19.2K, 38.4K (default - 9600) Data bits – 8 bits Stop bits – 2 bits

Communication Protocol: MODBUS RTU Function code: 04H (INPUT REGISTER) S. No. Channel Description Unit Address

(decimal) Data Type Range

1 pH (Current) pH 00 - 01 32 bit Floating Point -2.00 to 16.00 2 Temperature (Current) C 02 - 03 32 bit Floating Point -50.0 to 200.0 3 pH Limit (VH) pH 04 - 05 32 bit Floating Point -2.00 to 16.00 4 pH Limit (HH) pH 06 - 07 32 bit Floating Point -2.00 to 16.00 5 pH Limit (HI) pH 08 - 09 32 bit Floating Point -2.00 to 16.00 6 pH Limit (LO) pH 10 - 11 32 bit Floating Point -2.00 to 16.00 7 pH Limit (LL) pH 12 - 13 32 bit Floating Point -2.00 to 16.00 8 pH Limit (VL) pH 14 - 15 32 bit Floating Point -2.00 to 16.00 9 pH Slope1 % 16 - 17 32 bit Floating Point 75 to 125 10 pH Slope2 % 18 - 19 32 bit Floating Point 75 to 125 11 Temperature Slope % 20 - 21 32 bit Floating Point 75 to 125 12 Temperature Constant C 22 - 23 32 bit Floating Point -10.0 to 10.0 13 AP mV 24 16 bit Signed Integer -75 to 75 14 High Temperature (HT) C 25 16 bit Signed Integer 0 to 190 15 Mark1 Sec 26 16 bit Unsigned Integer 0 to 250 16 Mark2 Sec 27 16 bit Unsigned Integer 0 to 250 17 Space1 Sec 28 16 bit Unsigned Integer 0 to 250 18 Space2 Sec 29 16 bit Unsigned Integer 0 to 250 19 Dose ON Time Sec 30 16 bit Unsigned Integer 1 to 255 20 Alarm Delay Sec 31 16 bit Unsigned Integer 1 to 10 21 Alarm Mute Period Minute 32 16 bit Unsigned Integer 1 to 255



Data Type: Digital Status of Input Function code: 02H (READ DIGITAL INPUT STATUS) S. No. Input Description Status Address (decimal)

1 ATC 0-OFF, 1-ON 1 2 Calibration Standard 0-USA, 1-NIST 2 3 Two slopes 0-NO, 1-YES 3 4 Write Option rights 0-NO, 1-YES 4 5 HALT 0-OFF, 1-ON 5 Function code: 10H (Preset Multiple Registers) S. No. Channel Description Unit Address

(decimal) Data Type Range

1 pH Limit (VH) pH 04 - 05 32 bit Floating Point (HH+0.1) to 16.00 2 pH Limit (HH) pH 06 - 07 32 bit Floating Point (HI+0.1) to (VH-0.1) 3 pH Limit (HI) pH 08 - 09 32 bit Floating Point (LO+0.1) to (HH-0.1) 4 pH Limit (LO) pH 10 - 11 32 bit Floating Point (LL+0.1) to (HI-0.1) 5 pH Limit (LL) pH 12 - 13 32 bit Floating Point (VL+0.1) to (LO-0.1) 6 pH Limit (VL) pH 14 - 15 32 bit Floating Point -2.00 to (LL-0.1) 7 Single Pt cal (pH) pH 16 - 17 32 bit Floating Point 0.00 to 14.00 8 Single Pt cal (TEMP) C 22 - 23 32 bit Floating Point -50.0 to 200.0 9 Temperature Limit (HI) C 25 16 bit Signed Integer 0 to 190 10 Mark1 Sec 26 16 bit Unsigned Integer 0 to 250 11 Mark2 Sec 27 16 bit Unsigned Integer 0 to 250 12 Space1 Sec 28 16 bit Unsigned Integer 0 to 250 13 Space2 Sec 29 16 bit Unsigned Integer 0 to 250 14 Dose ON Time Sec 30 16 bit Unsigned Integer 1 to 255 15 Alarm Delay Sec 31 16 bit Unsigned Integer 1 to 10 16 Alarm Mute Period Minute 32 16 bit Unsigned Integer 1 to 255 17 PGM Password 33 16 bit Unsigned Integer 0 to 999 18 CONF Password 34 16 bit Unsigned Integer 0 to 999 *After entered correct Password write operation will allow for 5Min. Illegal Request for Function code: 10H (Preset Multiple Registers) S. No. Error Response

1 Write option not allow 90 01 CRC CRC 2 Data address not within range 90 02 CRC CRC 3 Password is illegal 90 03 CRC CRC 4 Data not within range 90 03 CRC CRC



Warranty CERTIFICATE Product: ONLINE pH CONTROLLER

Model: DPH 513

Serial No. :

GLOBAL ELECTRONICS warrants its products, when properly applied and operated under normal conditions, to be free from faulty workmanship or defective materials for a period of ONE YEAR from the date of original shipment. Global products repaired or replaced pursuant to this warranty shall be warranted for the unexpired portion of the warranty applying to the original products. The liability of Global under this warranty shall exist provided that

a) Global is promptly notified upon discovery of such defects by Buyer; and b) The defective product is returned to Global, transportation paid by Buyer or at Global’s

discretion the said product is inspected and repaired at Buyer’s site; and c) Global’s examination of such product disclose that there was defect in Global material

or workmanship; and d) Global name plates and markings have not been altered or removed. e) The safety procedures mentioned in this manual are strictly adhered to. f) The unit is always used within the specifications and environment mentioned in this

manual and never misused. In the event the defect is determined to be within the terms of this warranty, Global agrees to repair the product or the defective portion at no charge to Buyer and to pay for transportation back to Buyer. This warranty does not apply to consumable items like electrodes, conductivity cells, temperature sensors, fuses etc. or parts which in Global’s opinion have been subject to misuse, neglect, altered or damaged by accident or abnormal conditions of operation or handling. Global reserves the right to make changes in design and specifications without notice and without any obligation of such changes on units purchased. Until superseded or in contractual form, this warranty is expressly in lieu of all other liabilities and obligations on the part of Global Electronics. Place: Hyderabad for GLOBAL ELECTRONICS Date:

Online pH Controller DPH 513

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