En PBM User-Manual R009

8/14/2019 En PBM User-Manual R009

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MANUAL DE USUARIO

PBMMotor management system


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1. RECEPTION, HANDLING, INSTALLATION ...................................................... 61.1. Unpacking .............................................................................................................................. 61.2. Reception of relays ............................................................................................................... 61.3. Handling electronic equipment ............................................................................................ 61.4. Installation, commissioning and service ............................................................................ 61.5. Storage ................................................................................................................................... 71.6. Recycling ................................................................................................................................ 7

2. DIMENSIONS AND CONNECTION DIAGRAMS ............................................... 82.1. Equipment frontal view ......................................................................................................... 82.2. Equipment dimensions ......................................................................................................... 9

2.2.1. PBM B base module dimensions..................................................................................... 92.2.2. PBM-H module dimensions mm .................................................................................... 10

2.3. Connection diagrams .......................................................................................................... 112.3.1. Direct pass PBM protection connection ........................................................................ 112.3.2. Multiple pass PBM protection connection ..................................................................... 112.3.3. External CT pass PBM protection connection ............................................................... 122.3.4. PTC and differential PBM protection connection ........................................................... 122.3.5. Direct start-up PBM protecction and control connection ............................................... 13

2.4. PBM-B base module terminals ........................................................................................... 143. DESCRIPTION .................................................................................................. 15

3.1. Introduction .......................................................................................................................... 153.2. Description ........................................................................................................................... 193.3. PBM-B base module functional diagram .......................................................................... 233.4. List of Models....................................................................................................................... 24

3.4.1. PBM B model l ist ........................................................................................................... 243.4.2. PBM H model list ........................................................................................................... 24

4. PBM-B PROTECTION FUNCTIONS AND FEATURES ................................... 254.1. General settings .................................................................................................................. 254.2. Overload ............................................................................................................................... 264.3. Phase imbalance ................................................................................................................. 274.4. Phase failure ........................................................................................................................ 284.5. Phase sequence .................................................................................................................. 294.6. PTC Function ....................................................................................................................... 304.7. Jam function ........................................................................................................................ 314.8. Locked rotor ......................................................................................................................... 314.9. Instantaneous neutral overcurrent. ................................................................................... 324.10. Neutral inverse time overcurrent ................................................................................... 324.11. Instantaneous earth leakage overcurrent. .................................................................... 334.12. Earth leakage inverse time overcurrent. ....................................................................... 33
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4.13. Undercurrent .................................................................................................................... 344.14. Motor start up monitoring ............................................................................................... 354.15. Overload curves............................................................................................................... 364.16.

IEC60255-151 Curves ...................................................................................................... 46

5. MONITORING AND CONTROL ........................................................................ 50

5.1. Measurements ..................................................................................................................... 505.2. States .................................................................................................................................... 515.3. Statistics ............................................................................................................................... 555.4. Fault reports ......................................................................................................................... 565.5. Date-time synchronisation ................................................................................................. 575.6. Inputs .................................................................................................................................... 575.7. Outputs ................................................................................................................................. 575.8. Leds ...................................................................................................................................... 58

5.8.1. PBM-B equipment leds .................................................................................................. 585.8.2. PBM-H hmi leds ............................................................................................................. 58

5.9. Self-diagnosis ...................................................................................................................... 615.10. Commands ....................................................................................................................... 625.11. Test programm................................................................................................................. 63

5.11.1. Base module PBM-B test programm ............................................................................. 635.11.2. Module PBM-H test programm ...................................................................................... 64

5.12. Power suppply ................................................................................................................. 655.13. Earth toroidal transformer monitoring .......................................................................... 655.14. Time delayed equipment start ........................................................................................ 655.15. Equipment reset............................................................................................................... 655.16. Thermal image reset ........................................................................................................ 665.17. Reset/Test Button ............................................................................................................ 66

6. TECHNICAL SPECIFICATIONS AND STANDARDS ...................................... 676.1. Technical specifications ..................................................................................................... 676.2. Standards ............................................................................................................................. 72

7. COMMUNICATION AND HMI ........................................................................... 747.1. RS485 Communication ....................................................................................................... 74

7.1.1. Modbus RTU Protocol ................................................................................................... 757.2. LCD and keypad .................................................................................................................. 75

7.2.1. PBM-H LCD contrast ..................................................................................................... 757.3. PBCom communications programm ................................................................................. 767.4. User password ..................................................................................................................... 76

8. ACCESSORIES ................................................................................................ 778.1. Toroidal transformer ........................................................................................................... 778.2. Current transformer ............................................................................................................ 79


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8.3. 8.3. PTC sensors .................................................................................................................. 808.4. Cables section ..................................................................................................................... 818.5. PBM-B to PBM-H connection cable ................................................................................... 818.6.

PBM-B to PC connection cable .......................................................................................... 82

8.7. Menus ................................................................................................................................... 83

8.7.1. Standby mode screen .................................................................................................... 838.7.2. Date-time menu ............................................................................................................. 838.7.3. Versions ......................................................................................................................... 848.7.4. Communication parameters: ......................................................................................... 848.7.5. Test menu ...................................................................................................................... 858.7.6. Functions menu ............................................................................................................. 868.7.7. Measurements menu ..................................................................................................... 878.7.8. States menu ................................................................................................................... 878.7.9. Settings menu ................................................................................................................ 898.7.10. Configuration Menu ....................................................................................................... 918.7.11. Reports menu ................................................................................................................ 918.7.12. Command menu ............................................................................................................ 938.7.13. Password menu ............................................................................................................. 93

9. COMMISSIONING............................................................................................. 949.1. Checklist for commissioning ............................................................................................. 949.2. Inspection ............................................................................................................................. 94

9.2.1. 11.2.1. Visual inspection ................................................................................................ 949.2.2. Current transformers ..................................................................................................... 94

9.3. Commissioning .................................................................................................................... 9410. MODBUS RTU PROTOCOL ............................................................................. 95

10.1. ModBus package format ................................................................................................. 9610.2. Function codes ................................................................................................................ 9610.3. Error responses and exceptions .................................................................................... 9710.4. Types of data .................................................................................................................... 9710.5. Data reading ..................................................................................................................... 9910.6. Adjustments writing ........................................................................................................ 9910.7. Command ......................................................................................................................... 9910.8. PBM memory map ......................................................................................................... 101

10.8.1. Mapa de medidas ........................................................................................................ 10110.8.2. Mapa de estados ......................................................................................................... 10110.8.3. Data reading ................................................................................................................ 10610.8.4. Settings reading ........................................................................................................... 10610.8.5. Date writing .................................................................................................................. 11010.8.6. Settings writing ............................................................................................................ 11010.8.7. Reports ........................................................................................................................ 114


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10.8.8. Estadsticos ................................................................................................................. 12211. APPENDIX ...................................................................................................... 123

11.1. Identification .................................................................................................................. 12311.1.1. Model: .......................................................................................................................... 123

11.2. Checks ............................................................................................................................ 12411.3. Register of commissioning settings ........................................................................... 124

11.3.1. General ........................................................................................................................ 12411.3.2. Overload ...................................................................................................................... 12411.3.3. Imbalance .................................................................................................................... 12411.3.4. Phase failure ................................................................................................................ 12511.3.5. Sequence ..................................................................................................................... 12511.3.6. PTC .............................................................................................................................. 12511.3.7. Jam .............................................................................................................................. 12511.3.8. Locked rotor ................................................................................................................. 12511.3.9. I0>> .............................................................................................................................. 12511.3.10. I0> ............................................................................................................................ 12511.3.11. IG>> ......................................................................................................................... 12611.3.12. IG> ........................................................................................................................... 12611.3.13. Communications ...................................................................................................... 12611.3.14. Reset ....................................................................................................................... 126

11.4. Comments ...................................................................................................................... 126


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1. RECEPTION, HANDLING, INSTALLATION

1.1. UnpackingRelays must only be handled by qualified personnel and special care must be taken to protect allof their parts from any damage while they are being unpacked and installed. The use of goodillumination is recommended to facilitate the equipment visual inspection. The facility must beclean and dry and relays should not be stored in places that are exposed to dust or humidity.Special care must be taken if construction work is taking place.

1.2. Reception of relays

It is necessary to inspect the equipment at the time it is delivered to ensure that the relays have

not been damaged during transport.If any defect is found, the transport company and FANOX should be informed immediately.

If the relays are not for immediate use, they should be returned to their original packaging.

1.3. Handling electronic equipment

Relays contain an electronic component that is sensitive to electrostatic discharges.

Just by moving, a person can build up an electrostatic potential of several thousand volts.Discharging this energy into electronic components can cause serious damage to electronic

circuits. It is possible that this damage may not be detected straight away, but the electroniccircuit reliability and life will be reduced. This electronic component in the equipment is wellprotected by the plastic housing, which should not be removed as the equipment cannot beadjusted internally.

1.4. Installation, commissioning and service

The personnel in charge of installing, commissioning and maintaining this equipment must bequalified and must be aware of the procedures for handling it. The product documentation shouldbe read before installing, commissioning or carrying out maintenance work on the equipment.

In order to guarantee safety, the crimp terminal and a suitable tool must be used to meetisolation requirements on the terminal strip. Crimped terminations must be used for the voltageand current connections.

Before supplying the equipment the value of the rated voltage and its polarity must be checked.

The equipment must be used within the stipulated electrical and environmental limits.

NOTE:Current transformer circuits: Do not open a live CT secondary circuit. The high voltageproduced as a result could damage the isolation and threaten lives.


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1.5. Storage

If the relays are not going to be installed immediately, they must be stored in a dust- and

humidity free environment after the visual inspection has been performed.

1.6. Recycling

All electrical power sources should be removed before performing this operation to avoid the riskof electrical discharge.

This product must be disposed of in a safe way. It should not be incinerated or brought intocontact with water sources like rivers, lakes, etc


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2. DIMENSIONS AND CONNECTION DIAGRAMS

2.1. Equipment frontal view

PBM BPBM H


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2.2. Equipment dimensions

2.2.1. PBM B base module dimensions


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2.2.2. PBM-H module dimensions mm


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2.3. Connection diagrams

2.3.1. Direct pass PBM protection connection

CONTACTOR (K1 Conexion alimentacion)

A1

A2

K1

L1 L2 L3

L (230 V)

N (0 V)

PBM-B 11-12-14 (disparo por falta)

K1

STOP (parada externa m otor)

M

PBM-B

I1

141211242221A1A2

E1C1 C2 I2E2T1 T2

START (arranque externo motor)

STOP

START

2.3.2. Multiple pass PBM protection connection


L1 L2 L3


K1

STOP (parada externa motor)

M

PBM-B

I1

141211242221A1A2

E1C1 C2 I2E2T1 T2

START (arranque externo motor)A1

A2

K1

L (230 V)

N (0 V)

STOP

START

For motor wiht nominal current below the minimum relay setting value, pass cables through therelay hole several time. Set the value IBand CT relation as explained in paragraph 6.2.1.


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2.3.3. External CT pass PBM protection connection


L1 L2 L3


K1


M

PBM-B

I1

141211242221A1A2

E1C1 C2 I2E2T1 T2


Transformador de corriente

A1

A2

K1

L (230 V)

N (0 V)

STOP

START

For motors with nominal current over the maximum relay current setting value, combine the relaywith current transformers. Set the value IBand CT relation as explained in paragraph 6.2.1.

2.3.4. PTC and differential PBM protection connection


L1 L2 L3


K1


PBM-B

I1

141211242221A1A2

E1C1 C2 I2E2T1 T2


N

Transformador toroidal

Sondas PTC

A1

A2

K1

L (230 V)

N (0 V)

STOP

START


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2.3.5. Direct start-up PBM protecction and control connection


L1 L2 L3


K1


M

PBM-B

I1

141211242221A1A2

E1C1 C2 I2E2T1 T2

START (arranque externo motor)A1

A2

K1

L (230 V)

N (0 V)

STOP

START

PBM-B relay allows to perform start/stop actions by means of relay own commands, withoutnecessity for external actuators. It can be done in two ways:

By means of [O] and RESET keys of PBM-H:o Key [O]: By means of a short press we can generate de stop of the motor in a

voluntarie way, without existing previous fault.

o Key RESET: By means of a long press we can start the motor again.

By means of ModBus communication commands:

Description Commandnumber

Leds and outputs reset 47

Motor stop 57

NOTE: PBM H [I] key is not activated in actual version and has no functionality.


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2.4. PBM-B base module terminals

Input 24Vac/dc

24Vac/dc digital input

earth fault Toroidal earth connection

+t PTC sensor connection

A RS485 connection A

B RS485 connection B

14 Output 1 contact normally closed

12 Output 1 contact normally open

11 Common output 1

24 Output 2 contact normally closed

22 Output 2 contact normally open

21 Common output 2

A1 Supply voltage (+ with direct current)

A2 Supply voltage (- with direct current)


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3. DESCRIPTION

3.1. Introduction

Industrial company management is gradually increasing its use of information technology andcommunication as the basis for predictive maintenance and monitoring of their facilities.

This ever increasing technology implies a technological leap for industries, as it requires thehandling of a larger amount of data, and in many occasions in real time.

To implement these new technologies the industries require simple, flexible systems which adaptto the specific requirements of the same.

These requirements include:

Simple controls.

Simple installation.

Large volume of data Real time.

Reasonable cost.

System profitability, understood as maintenance and monitoring.

The PBM is a motor control and protection system equipped with ModBus RTU communicationin real time RS485. This makes up a platform which is specifically designed to cover all themaintenance and monitoring requirements of industrial plants with motors.

The PBM devices structure is based on a base module which, according to the requirements,can be connected to various modules with specific functions.

The PBM B base module (DIN rail EN50022-35), with the following functions:

Motor related current protections.

Temperature protection.

Earth protections.

Trip and signalling.

Communications with the scada.

Fault reports.

Statistics.

The PBM H module, is an HMI module (panelable) to access the PBM B information.

The system functions can be increased in the future with additional modules.


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Description PBM-B PBM-H

PROTECTION FUNCTIONS

Overload (trip classes 5-10-15-20-25-30-35-40-45)

Phase imbalance

Phase failure

Phase sequence

PTC

PT100

Jam

Locked rotor

Instantaneous neutral overcurrent

Neutral inverse time overcurrent

Instantaneous earth leakage overcurrent

Earth leakage inverse time overcurrent

Undercurrent

Excessive start up time

MEASUREMENTS

Phase A current (IA)

Phase B current (IB)

Phase C current (IC)

Neutral current (I0)


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Earth leakage current (IG)

Thermal image

Frequency measurement

Positive sequence current (I1)

Negative sequence current (I2)

Average phase current

STATISTICS

Number of start-ups

Maximum start-up current

Maximum current in last start-up

Medium start-up current

Overload faults

PTC faults

Jam faults

Locked rotor faults

Neutral faults

Operating hours

SIGNALLING AND CONTROL

Time delayed equipment start

Digital Inputs 1


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Digital outputs 2

Reset/Test Button

Led 1:

Led 2:

Led 3:

Led 4:

Led 5:

Led 1 configurable

Led 2 configurable

Led 3 configurable

Led 4 configurable

Led 5 configurable

Led 6 configurable

MECHANICAL

DIN rail EN50022-35

Panelable

Width 78 mm.


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ACCESSORIES

Toroidal transformer

Current transformer

PTC sensors

Cables section

PBM-B to PBM-H connection cable

3.2. Description

The PBM is a three phase motor control and protection system. It includes the motor current andthermal protections, as well as the monitoring and diagnosis functions to perform predictivemaintenance and to prevent system down times.

The base module is the essential components of the PBM system. This must always be includedand provide basic system protection on its own. The base module is a 78 mm item to bemounted on a DIN rail.

The available protection functions are as follows:

Overload protection and availability of a PTC sensor.

Protection against imbalance, phase failure and phase reversal

Protection against jam, locked rotor and undercurrent.

Earth protection: Instantaneous neutral overcurrent, neutral inverse time overcurrent,instantaneous earth leakage overcurrent, earth leakage inverse timeovercurrent.


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To facilitate predictive maintenance there are surveillance algorithms of the status of theequipment, both regarding external connections and the internal operation of the equipment andof test functions to check the correct operation of the outputs and leds:

Monitoring of the neutral toroidal transformer in open circuit.

PTC sensor short circuit

Self-diagnosis

PBM-B base module leds and outputs test

PBM-H module leds test

This allows the installation motors to be started up in a staggered way, by means of anadjustable timer from 0 to 3600 s.

The alarm and trip output relays are activated with positive safety.

The following measurements are provided: Phase currents, neutral current (calculated as adigital sum of the phase currents), earth leakage current (measured by an external toroidaltransformer), average phase current, negative sequence current, positive sequence current,thermal image and frequency.

The algorithm used to measure the currents is the real RMS (real Root Mean Square realefficient value). 16 samples cycles sampling is performed. The sampling type is determinedwhen the system frequency is adjusted. This is performed at a set time if the adjusted frequencyis 50 or 60 Hz, and at variable time is it is adjusted at a variable frequency (45Hz to 65 Hz). Theaccuracy of the measurement is 2% over the whole range. The variable frequency sampling isonly valid for models with alternating supply, as the alternating supply signal is taken asreference to calculate the line frequency.

Up to four fault reports are stored in the non volatile memory. The fault reports contain

information regarding the date, measurements and a subassembly of the statusof the equipmentwhich are sufficient to determine the cause of the incident (all the phase discriminated functionstrips, the inputs and outputs).

All the equipment information can be accessed from the PBM-H and from an RS485communications port on terminals, which allows for the equipment to be included as part of aSCADA system. The RTU Modbus protocol is used. A communication session is established witha key that can be set by the user.

The PBM-B is fitted with five signal leds and a reset button to reset the output and led latchs.

The PBM-H module is equipped with an LCD with two rows and twenty columns and a six keymembrane keyboard which can be used to access all the system information. It is also equippedwith six adjustable signal leds. Each led can be assigned a 16 bit status OR and can be set aslatched or not latched and/or as flashing or not flashing. It is also equipped with a start buttonand a stop button and a test/reset button which has the double function of testing the equipmentleds (PBM-B and PBM-H) and resets the output and led interlocks.

The PBM-B can operate normally without the PBM-H module. Once programmed, either by themobile PBM-H or the communication, the PBM-B operates on its own, providing information viaits leds or communication.

Thanks to the available protection and monitoring functions, its easy to use HMI and its simpleintegration, the PBM provides a precise and practical solution for motor control central unitprotection.

The main features of the equipment are listed below, and these features will be explained in therest of the manual.


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Function Description PBM-B

Protection

Overload Overload (trip classes 5-10-15-20-25-30-35-40-45) 1

Imbalance Phase imbalance 1

Phase failure Phase failure 1

Sequence Phase sequence 1

PTC PTC function (Positive Temperature Coefficient) 1

Jam Jam 1

Locked rotor Locked rotor 1

I0>> Instantaneous neutral overcurrent. 1

I0> Neutral inverse time overcurrent 1

IG>> Instantaneous earth leakage overcurrent (with external toroidal transformer) 1

IG> Earth leakage inverse time overcurrent (with external toroidal transformer) 1

I< Phase undercurrent 1

Excessive start up time 1

Measurements

IA, IB, IC Phase current rms measurement with 2% accuracy

I0 Neutral current rms measurement with 2% accuracy

IG Earth current rms measurement with 2% accuracy

Thermal image

f Frequency

Iavg Average current of the three phases

I1 Positive sequence current

I2 Negative sequence current

Inputs and Outputs

Digital input 24 Vac/dc 1

Button 1

Digital outputs: Trip and alarm 2


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Communication

RS485 Communication (ModBus, RTU 19200)

Control and signalling

Time delayed equipment start

Led indicators on the PBM-B base module 5

Thermal image reset command

Led and output latch reset command

Power

110/230 Vac/dc

24/48 Vdc

Selected bymodel

Monitoring and Recording

Real-Time Clock (RTC)

Neutral toroidal transformer monitoring

PTC sensor open circuit and short circuit detection

Fault reports 4

Self-diagnosis

Number of start ups

Maximum start up current:

Maximum last start-up current

Average start-up current

Overload faults

PTC faults

Jam faults

Locked rotor faults

Neutral faults

Operating hours


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Control and signalling

LCD, 20x2 and 6 keys

Reset/Test Button

Start and stop buttons

Adjustable LED indicators 6

Session establishment with adjustable key

Monitoring

Base module PBM-B test menu

Module PBM-H test menu

3.3. PBM-B base module functional diagram


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3.4. List of Models

3.4.1. PBM B model list

MODULE

PHASE

MEASUREMENT

POWERSUPPLY

ADAPTATION

PBM B BASE module

1

5

IB= 0,8 - 6 A

IB= 425 A

1

2

110/230 Vca/cc

24/48 Vcc

0

3.4.2. PBM H model list

MODULE

HMI

LANGUAGE

ADAPTATION

PBM H HMI module

1 HMI with 6 leds

E

S

F

X

English

Spanish

French

Polish

0


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4. PBM-B PROTECTION FUNCTIONS AND FEATURES

4.1. General settingsThe equipment's general adjustments are as follows:

General settings

Description Mnimum Maximum Step Unit Defect

IB Rated motor current

Model PBMB1* 0,8 6 0,01 A 0,8

Model PBMB5* 4 25 0,01 A 4

Phase transformation ratio 1 2000 1 - 1

Frequency - - 50Hz/60Hz/var Hz 50

Motor start up threshold 1 8 0,01 xIB 1,5

Motor start up time 1 200 1 s 60

Motor phases sequence - - ABC/ACB - ABC

Time delayed equipment start up 0 3600 1 s 0

The first group adjustment is the motor rated current, which is referred to as IBin this manual.For model PBMB1*, the rated current range is 0.8 to 6 A. For model PBMB5*, the rated currentrange is 4 to 25 A. To protect the motor, the motor rated current (IB), must be adjusted with thesame value as the rated current that appears on the motor characteristics badge.

In case to use a motor with nominal current below the minimum relay current setting value,pass through the hole of the relay n time. IB setting value will be INxn, being IN nominalcurrent shown on the motor plate.

To protect a motor with nominal current greater than the maximum relaycurrent setting value,current transformer will be used. IB setting value be nominal current shown on the motor platedivided by CTR which is phase transformation ratio.

The motor start up threshold and "motor start up time" adjustments are used for the functionwhich monitors the motor start up, to establish that the start up is excessively long.

NOTE:It is necessary to select a value between 1 and 200 second for motor Start Up itemin order to get a correct monitoring of the motor start. In case of wanting to deactivate thismonitoring, it is possible to do it, under user responsibility, selecting 0 value. Nevertheless, it is

recommende to maintain the monitoring of motor start activated to avoid unexpected damages inthe motor.


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The frequency can be adjusted to 50 HZ, 60 Hz and variable frequency (with the equipmentmaintaining measurement accuracy and time within the range of 45 Hz to 65 Hz). The variablefrequency can only be applied to models with alternating supply voltage.

The motor phasesequence adjustment is used for the reverse function to determine whether or

not the wiring consistent with the adjustments.The time delayed equipment start up " adjustment is used for staggered installation motor startup.

4.2. Overload

The overload function meets international standard IEC 947-4-1 and IEC 255-8.

A physical model based mathematic model is used to simulate the motor's thermal condition. Themathematic model used combines two thermal images: A heating image and a cooling image.The heating image represents the thermal condition of the windings of the stator and rotor, and

the cooling image represents the thermal condition of the casing.

The fact that PBM-B is fitted with a heating and cooling thermal memory, it can define themargins at all times so that the motor operates in a safe mode.

The thermal image is a measurement of the motor heating condition. Unlike the overcurrentrelay, time is not counted as of when a fault is detected but rather this is continuouslydetermining the thermal condition of the motor. The trip time depends on the trip class selected,the circulating current and the previous motor thermal condition.

The thermal image is calculated based on the following equation:

= 100 x (I/It)2x (1e

-t/) + 0x e

-t/

Where:

I,maximum current of the three phases

It, trip threshold current

, thermal constant.

0, initial thermal condition

The trip time comes from the equation:

t = x ln { [(I/It)

2

(0/ 100)] / [(I/It)

2

- 1] }

The trip time accuracy is 5% above the theoretical time.

The algorithm uses the maximum current of the three phase currents. If the maximum current isgreater than 15% of the adjusted current IB, the heating thermal constant is applied. If themaximum current is less than 15% of the adjusted current IB, the cooling thermal constant isapplied.

The overload function trips when the thermal image reaches a value of 100%. This value isreached in the time when the circulating current is equal to the adjusted input in the thermalfunction (It).

A thermal image adjustable level is established to generate an alarm. Should a trip occur, the

overload function is reset when the thermal image drops below the set alarm level.


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The thermal constant has the following values:

heating = 37 x trip class

cooling = 90 x trip class

If there is independent mechanical ventilation,

cooling = (90 x trip class) / 4

This function settings are as follows:

Overload

Description Minimum Maximum Step Unit Defect

Enable function - - Yes/No - Yes

Tap 1 2 0,01 IB 1,15

Trip class - - 5,10,15,20,25,30,35,40,45 - 5

Independent mechanical ventilation - - Yes/No - No

Alarm 20 95 1 % 80

We allow the overload function tap adjustment in a range of between 1 and 2 times I B, so that theuser can make the most of the motor capacity. However, it must be pointed out that standardIEC-947-4-1 recommends the tap setting to be between 1.05 and 1.20 times IB.

Trip classes 5, 10, 20, 30 and 40 are standard. The other class settings 15, 25, 35 and 45 permitadaptation to the various motor types.

4.3. Phase imbalance

The imbalance function is applied on the three phase system made up of the three phasecurrents (IA, IB, IC). The average current of the three values is taken as reference. The function

is operative if the average current is greater than 10% of the motor set current I Band becomesinoperative if the average current is less than 8%.

A correct operation band is established based on the average current. Its upper and lower limitsresult from the % adjusted imbalance and 5% hysteresis is considered in resetting.


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The imbalance resetting and activation limits are determined as follows, based on the % adjustedimbalance (value d1%):

Upper limit activation Iaverage* (100 + d1)%

Upper limit resetting Iaverage* (100 + d15)%

Lower limit activation Iaverage* (100 - d1)%

Lower limit resetting Iaverage* (100 - d1+ 5)%

The criteria is applied to the three phases. If a phase current is greater than the upper limit orless than the lower limit the function start up is activated. Once the function has been activated, if

the phase current drops below the upper reset limit or rises above the lower reset limit, thefunction is instantly reset.

The function trip can be time delayed and two different times have been established: one applieswhen the motor is starting up, and the other when the motor is in operation. As a result, apossible phase failure can be detected in the motor start up and a fast trip can be executed.


Imbalance


Enable function - - Yes/No - Si

% Imbalance 5 30 1 % 30

Motor start up time 0,02 20 0,001 s 0,6

Motor operation time 0,02 20 0,001 s 5

This function is similar to the phase failure function. In principle, this function must be used to

detect small current imbalances. The use of the phase failure function is recommended toprovide protection against large imbalances of the lower limit.

4.4. Phase failure

The phase failure function is applied on the three phase system made up of the three phasecurrents (IA, IB, IC). The average current of the three values is taken as reference. The functionis operative if the average current is greater than 10% of the adjusted current IBand becomesinoperative if the average current is less than 8%.

Based on the average current, a lower limit is established resulting from the % adjusted

imbalance and 5% resetting hysteresis. The phase failure resetting and activation limits aredetermined as follows, based on the % adjusted imbalance (value d2%):


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Lower limit activation Iaverage* (100d2)%

Lower limit resetting Iaverage* (100d2+ 5)%

The criteria is applied to the three phases. If a phase current is less than the lower limit thefunction start up is activated. Once the function has been activated, if the phase current risesabove the lower reset limit, the function is instantly reset.

There is only on operating time, regardless of whether the motor is starting up or in operation.


Phase failure


Enable function - - Yes/No - Yes

% Imbalance 10 100 1 % 30

Time 0,02 20 0,001 s 5

4.5. Phase sequence

The sequence function is activated when the phase sequence is detected to not be inaccordance with the general phase sequence adjustment (ABC/ACB).

The phase sequence function detection algorithm is based on the determination of the positiveand negative sequence of the essential currents component.

The function is operative if the positive sequence current or the negative sequence current isgreater than 10% of the adjusted current IBand stops operating if the positive sequence currentand the negative sequence current is less than 8%.


Phase sequence


Enable function - - Yes/No - No

Time 0,02 2 0,001 s 0,02


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4.6. PTC Function

The PTC sensors provide accurate control of the temperature the motor is subjected to at

various points of its structure. The sensor operation is based on an extremely fast increase in itsresistance once its own temperature limit has been reached.

PTC sensor protection is used in cases such as the following:

Motors with high start up/stoppage frequencies

Motor operating at speeds which are lower than the range it is designed for.

When there is a restricted air supply.

In intermittent operations and/or constant braking.

High air temperatures.

PTC sensor short circtui or open circuit and overtemperature are detected. Overtemperatureactivates the trip contact whilst sensor open circuit and short circuit activate the alarm contact.The PTC sensor protection thresholds cannot be set. They are predefined as follows:

Activationresistance

Resetresistance

Overtemperature > 3600 < 1800

Short-circuit < 20 > 30

Open circuit > 4000 < 3900

The PTC function has the enable function adjustment:

PTC



The trip time is 500 ms.

The PTC sensors used shall have a maximum current of 1mA and a maximum voltage of 2.3 V.

Maximum cold resistance 1500

Minimum cold resistance 50


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4.7. Jam function

The motor is considered to be operating in jam conditions when the resistant torque of the motoris very close to the maximum torque the motor can provide, whereby motor rotation is slowingdown.

This function shall be disabled during motor start up. Following start up, the function shall beenabled whenever permitted by the user.


JAM



Tap 1 3,5 0,01 IB 2,5

Operating time 0,02 50 0,001 s 10

Operation time is independent of the operating current which flows through the equipment,whereby, should the phase current exceed the adjusted value during the preestablished time, theprotection function is activated (trips). It is deactivated when the average phase current valuefalls below 95% of the adjusted tap.

4.8. Locked rotorThis function detects a locked rotor. This function shall be disabled during motor start up.Following start up, the function shall be enabled whenever permitted by the user.


Locked rotor



Tap 3,5 6 0,01 IB 3,5

Operating time 1 30 0,001 s 5

Operation time is independent of the operating current which flows through the equipment,whereby, should the phase current exceed the adjusted value during the preestablished time, theprotection function is activated (trips). It is deactivated when the average phase current valuefalls below 95% of the adjusted tap.


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4.9. Instantaneous neutral overcurrent.

This protection function can be set by using three parameters:


Group Description Minimum Maximum Step Unit Defect

I0>> Enable function - - Yes/No - No

Tap 0,1 1 0,01 IB 0,1

Operating time 0,02 5 0,001 s 1

Operation time is independent of the operating current which flows through the equipment,whereby, should the neutral current (I0) exceed the adjusted value during the preestablishedtime, the protection function is activated (trips). It is deactivated when the average neutral currentvalue falls below 95% of the adjusted tap.

4.10. Neutral inverse time overcurrent

This protection function can be set by using five parameters:



I0> Enable function - - Yes/No - No

Curve - - (1*) - Inverse

Dial 0,05 1,25 0,01 - 1,25

Tap 0,1 1 0,01 IB 1,00

Operating time 0,02 5 0,001 s 0,2

(1*) Inverse, Very inverse, Extremely inverse, Defined time

If the option "Defined time" is selected for the curve setting, the unit behaves like aninstantaneous overcurrent unit. In this case, the unit operating time is adjusted by using theparameter "Operating time".

If a curve (inverse, very inverse or extremely inverse) is selected for the curve setting, theoperating time depends on the curve, dial and tap settings.

If the unit operates as defined time, the function is activated at 100% of the set tap value, and it

deactivates at 95%.

If the unit operates with a curve, the function is activated at 110% of the set tap value, and itdeactivates at 100%.


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The reset is instantaneous in both cases.

The activation time is accurate to 5% or 30ms, whichever is higher, of the theoretical activationtime.

The curves used are IEC60255-151, which are described in the "Curves" section.

4.11. Instantaneous earth leakage overcurrent.

With external toroidal transformer.

This protection function can be set by using three parameters:

Instantaneous earth leakage overcurrent.


IG>> Enable function - - Yes/No - No

Tap 100 15000 1 mA 100

Operating time 0,02 5 0,001 S 0,2

Operation time is totally independent of the operating current which flows through the equipment,whereby, should the earth leakage current (IG) exceed the adjusted value during thepreestablished time, the protection function is activated (trips). It is deactivated when the average

earth leakage current value falls below 95% of the adjusted tap.

4.12. Earth leakage inverse time overcurrent.

With external toroidal transformer.

This protection function can be set by using the following parameters:

Earth leakage inverse time overcurrent.


IG> Enable function - - Yes/No - No

Curve - - (1*) - Inverse

Dial 0,05 1,25 0,01 - 1,25

Tap 100 450 1 mA 100

Operating time 0,02 5 0,001 s 0,2

(1*) Inverse, Very inverse, Extremely inverse, Defined time


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If the option "Defined time" is selected for the curve setting, the unit behaves like aninstantaneous overcurrent unit. In this case, the unit operating time is adjusted by using theparameter "Operating time".

If a curve (inverse, very inverse or extremely inverse) is selected for the curve setting, the

operating time depends on the curve, dial and tap settings.If the unit operates as defined time, the function is activated at 100% of the set tap value, and itdeactivates at 95%.

If the unit operates with a curve, the function is activated at 110% of the set tap value, and itdeactivates at 100%. The reset is instantaneous in both cases.

The activation time is accurate to 5% or 30ms, whichever is higher, of the theoretical activationtime.

The curves used are IEC60255-151, which are described in the "Curves" section.

4.13. Undercurrent

The undercurrent function is used to detect whether the motor operation current is less than thedesired level, due to the operation of the motor in no load due to transmission breakage,transformer belt underload, no load pump,

The undercurrent function is not enabled during motor start-up.


Undercurrent


I


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4.14. Motor start up monitoring

The adjustments relating to motor start up monitoring are as follows, which as in the general

settings group:

Motor start up monitoring


Motor start up threshold 1 8 0,01 IB 1,5

Motor start up time 1 200 0,001 s 60

The following automaton describes the operation of this function:

MotorStand by Motor

first stepMotorsecond step

Motorin operation

Iaverage > 10% IB

Iaverage < 8% IBIav erage> Treshold Iav erage < 95% Treshold

tstart up ++ tstart up ++

Iaverage < 8% IB

Extendedstart up

t real start up > t real adjusted

Iaverage < 8% IB

The motor is considered to be on standby when the average current is less than 8% of theadjusted current IB. When the average current is greater than 10% of the adjusted current westart monitoring start up and switch to Motor first step status. From Motor first step, when theaverage current is greater than the adjusted motor start up threshold, we switch to Motor secondstep". From Motor second step, when the average current is less than 95% of the adjusted startup threshold, we switch to Motor in operation".

In Motor first step" and "Motor second step" we monitor the start up time. If the measured startup time is greater than the adjusted start up time, we switch to Extended start up.


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Iaverage

10% IB

Treshold

Stand by

firststep

second step in operation

95% Treshold

t < Adjusted start up time

There are two status bits in the miscellanous group, related to motor monitoring: Motor in

operation and excessive start up time.

The following statistics are related to motor start up:

Number of start ups

Maximum start up current:

Maximum last start up current:

Medium last start up current:

Measured start up time (second step time)

Number of operating hours (motor in operation)

NOTE: To ensure proper working of undercurrent function (I


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1.15 IB


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1,15 IB


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1,15 IB


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1,15 IB


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1,15 IB


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1,15 IB


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1,15 IB


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1,15 IB


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1,15 IB


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4.16. IEC60255-151 Curves

The PBM-B relay complies with the curves shown in standard IEC60255-151:

Inverse Curve

Very Inverse Curve

Extremely Inverse Curve

There is a general mathematical equation which defines the time, in seconds, as a function of thecurrent:

KDBQV

DAt

P

adjustedI

IV

Parmetros: A P Q B K

Ext. Inverse 80 2 1 0 0

Very Inverse 13,5 1 1 0 0

Inverse 0,14 0,02 1 0 0

The curve can move from its axis using the D time selection device, which the user can adjust. Vis the tap.

Iadjustedis the initial operating current, set by the user.
http://www.fanox.com/http://www.fanox.com/http://www.fanox.com/http://www.fanox.com/http://www.fanox.com/


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5. MONITORING AND CONTROL

5.1. Measurements

The three phase currents are provided (IA,IB,IC), as well as the neutral current (I0) calculated asa digital sum of the phase currents, the earth leakage current (IG) measured by mediums of anexternal toroidal transformer, the positive sequence current, the negative sequence current, theaverage current of the three phases, the thermal image measurement (%) and the linefrequency.

The earth current value is obtained in two ways:

By mediums of an external toroidal transformer which covers the three phases (IG).Additionally, the PBM-B will check that the toroidal transformer is not in an open circuit.

If the three phase motor is directly connected to earth of via a sufficiently low impedance,

the earth current value can be obtained by adding the currents measured via the threetransformers fitted on the PBM-B itself (I0).

The currents measurement (IA,IB,IC,I0,IG) are R.M.S. values (real efficient value). Themeasurement accuracy is 2% in the whole measurement range. 16 samples cycles sampling isperformed. Sampling can be taken at line frequency (50 or 60Hz) or at a variable frequency,adjusting the equipment sampling to the real frequency. Using the sampling at a variablefrequency, a measurement accuracy of 2% is guaranteed in the 45HJz to 65 Hz range. Thevariable frequency sampling will be valid in the models which are supplied alternating voltage, asthe supply voltage is taken as a reference to calculate the frequency.

The frequency is measured using the zero cross algorithm. The supply voltage shall be taken asreference, whereby the frequency measurement shall be valid for models supplied with gridalternating voltage.

Below are the residual neutral and phase measurement ranges of the PBM-B models:

Model PBM1X PBM5X

Range IB 0,8 - 6 A 425 A

Residual neutral and phase measurement range with no external currenttransformers.

Transformer Ratio = 1

0,2 - 30 A 1- 150 A

Residual neutral and phase measurement range with external currenttransformers.

Transformer Ratio = R

0,2R30RA R150RA


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5.2. States

The states are real time information regarding the changes in the equipment. The equipmentstates can be consulted from the PBM-H and communications.

All the equipment states are listed below:

Group States

Overload

Alarm overload

Trip overload

Imbalance

Phase A pick up imbalance

Phase B pick up imbalance

Phase C pick up imbalance

Function pick up imbalance

Phase A trip imbalance

Phase B trip imbalance

Phase C trip imbalance

Function trip imbalance

Phase failure

Phase A pick up phase failure

Phase B pick up phase failure

Phase C pick up phase failure

Function pick up phase failure

Phase A trip phase failure

Phase B trip phase failure

Phase C trip phase failure

Function trip phase failure


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Phase sequence

Phase sequence

Phase sequence

PTC

Overtemperature PTC

Open circuit PTC

Short circuit PTC

JAM

Phase A pick up jam

Phase B pick up jam

Phase C pick up jam

Function pick up jam

Phase A trip jam

Phase B trip jam

Phase C trip jam

Function trip jam

Locked rotor

Phase A pick up locked rotor

Phase B pick up locked rotor

Phase C pick up locked rotor

Function pick up locked rotor

Phase A trip locked rotor

Phase B trip locked rotor

Phase C trip locked rotor

Function trip locked rotor


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I0>> I0>> pick up

I0>> trip


I0> I0> pick up

I0> trip

Instantaneous earth leakage overcurrent

IG>> IG>> pick up

IG>> trip

Earth leakage inverse time overcurrent

IG> IG> pick up

IG> trip

Phase undercurrent

I < I< Phase A pick up

I< Phase B pick up

I< Phase C pick up

I< Phases pick up

I< Phase A trip

I< Phase B trip

I< Phase C trip

I< Phases trip

Outputs

Output 1

Output 2


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Inputs

Input 1

Trip locking

Miscellaneous

Motor : In operation

Motor : Excessive start up time

G toroidal transformer open

Settings error

Configuration error

Reports error

Statistics error

Equipment alarm

Protection trip

Enable outputs

Trip disenabling

The Equipment alarm bit consists of the following bits:

Overload: Alarm

PTC: Short-circuit

PTC: Open circuit

Miscellaneous: G toroidal transformer open

Miscellaneous: Adjustment error

Miscellaneous: Settings error


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The Protection trip bit consists of the following bits:

Overload: Function trip

Imbalance: Function trip

Phase failure: Function trip

Sequence: Function trip

PTC: Overtemperature

Jam: Function trip

Locked rotor: Function trip

I0>>: Function trip

I0>: Function trip

IG>>: Function trip

IG>: Function trip

I operations) earth current operations (sum of I0>>, I0>, IG>>,IG>>)


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5.4. Fault reports

Up to four fault reports are stored in the non volatile memory. The fault report is generated whenoutput 1 is activated (trip). They can be displayed via the PBM-H or communications.

The information related to each fault report is as follows:

1. Date

2. IA

3. IB

4. IC

5. I0

6. IG

7. Thermal imaging

8. Frequency9. Medium current

10. Overload: trip

11. Imbalance: Phase A trip

12. Imbalance: Phase B trip

13. Imbalance: Phase C trip

14. Phase failure: Phase A trip

15. Phase failure: Phase B trip

16. Phase failure: Phase C trip

17. Sequence: Trip

18. PTC: Overtemperature

19. PTC: Short-circuit

20. PTC: Open circuit

21. Jam: Phase A trip

22. Jam: Phase B trip

23. Jam: Phase C trip

24. Locked rotor: Phase A trip

25. Locked rotor: Phase B trip

26. Locked rotor: Phase C trip

27. I0>>: Trip

28. I0>: Trip

29. IG>>: Trip

30. IG>: Trip

31. I


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36. Output 1

37. Output 2

38. Motor : In operation

39. Motor : Excessive start up time

40. G toroidal transformer open

41. Enable outputs

To obtain more detailed information, the method for navigating the menus is explainedgraphically in the LCD and keyboard section.

5.5. Date-time synchronisation

The equipment can be synchronised from the PBM-H or by using communications. The PBM-Bequipment is fitted with a Real Time Clock. Without power supply, RTC maintains date and time

during 72 hours with 65C (worst situation).

5.6. Inputs

A digital input of 24 Vac/dc is fitted, with a reset function.

5.7. Outputs

There are two digital outputs. Ouput 1 is assigned the protection trip bit and output 2 is assigned

the equipment alarm bit. The outputs operate with positive safety.


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5.8. Leds

5.8.1. PBM-B equipment leds

The PBM-B equipment leds cannot be set and they have the following meanings:

LED ON Constant Equipment OK

Flashing -

LED I>

Constant Overload trip

Jam trip

Locked rotor trip

Extended start up trip

Flashing Undercurrent trip

Led I0

Constant Instantaneous neutral overcurrent trip.

Neutral inverse time overcurrent trip.

Instantaneous earth leakage overcurrent trip.

Earth leakage inverse time overcurrent trip.

Flashing CT connection alarm

LED

+t

Constant PTC sensor overtemperature trip

Flashing PTC sensor short circuit

PTC sensor open circuit

LED Constant Phase imbalance trip

Phase loss trip

Flashing Phase sequence trip

Once activated, the leds are latched and maintain signalling. Holding down the Test/Reset key(3 seconds) resets the leds and the latched outputs.

If the equipment supply is cut off led signalling is lost.

5.8.2. PBM-H hmi leds

The user can set the six hmi leds. The leds can be set as latched or not latched, and as flashingor constant, with the possibility of all the combinations:

Not latched Constant

Not latched Flashing

Latched Constant

Latched Flashing


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If the leds have been set as latched, once activated they maintain signalling. Holding down theTest/Reset key (3 seconds) resets the leds and the latched outputs.

If the equipment supply is cut off led signalling is lost.

The following status bits can be assigned to the leds:

1. Not configured

2. Overload: alarm

3. Overload: trip

4. Imbalance: Phase A pick up

5. Imbalance: Phase B pick up

6. Imbalance: Phase C pick up

7. Imbalance: Pick up

8. Imbalance: Phase A trip

9. Imbalance: Phase B trip

10. Imbalance: Phase C trip

11. Imbalance: trip

12. Phase failure: Phase A pick up

13. Phase failure: Phase B pick up

14. Phase failure: Phase C pick up

15. Phase failure: Pick up

16. Phase failure: Phase A trip

17. Phase failure: Phase B trip

18. Phase failure: Phase C trip

19. Phase failure: trip

20. Sequence: Pick up

21. Sequence: trip

22. PTC: overtemperature

23. PTC: Short circuit

24. PTC: Open circuit

25. Jam: Phase A pick up

26. Jam: Phase B pick up

27. Jam: Phase C pick up

28. Jam: Pick up

29. Jam: Phase A trip

30. Jam: Phase B trip

31. Jam: Phase C trip

32. Jam: trip

33. Locked rotor: Phase A pick up

34. Locked rotor: Phase B pick up

35. Locked rotor: Phase C pick up


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36. Locked rotor: Pick up

37. Locked rotor: Phase A trip

38. Locked rotor: Phase B trip

39. Locked rotor: Phase C trip

40. Locked rotor: trip

41. I0>>: Pick up

42. I0>>: trip

43. I0>: Pick up

44. I0>: trip

45. IG>>: Pick up

46. IG>>: trip

47. IG>: Pick up

48. IG>: trip49. I


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The default leds configuration is shown below:

Led 1 Equipment OK

Led 2 Overload / jam / locked rotor / extended start up trip

Led 3 Neutral / earth leakage trip

Led 4 PTC sensor trip

Led 5 Phase imbalance / phase loss trip / Phase sequence trip

Led 6 % Thermal image alarm / G toroidal transformer open alarm / Shortcircuit PTCsensor / open circuit PTC sensor alarm / Undercurrent trip /

LED indicator operation can be checked from the module test menu, to check each led'soperation individually. Also, all the leds flash at the same time when the "Test" key is pressed.

Each led has an identification label where the corresponding legend is written.

5.9. Self-diagnosis

Diagnostic algorithms are run while the PBM-B is being started up and continuously when the

relay is operating. This diagnostic is a preventative process to guarantee that the equipment is ingood operational condition.

The following status bits are associated with this process:

Adjustment errorProblem in the adjustments saved in e2prom.

The active adjustments are the default adjustments.

Settings errorProblem in the setting saved in e2prom.

The settings block is not executed.

Reports error Problem in the reports saved in e2prom.

The reports are not displayed.


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5.10. Commands

The following table lists the available commands and how to execute the:

Test leds

PBM-B: Short press test/reset button

PBM-H: Short press test/reset button

Communication: Control 44

Outputs and leds reset

PBM-B: Test/reset button held down

PBM-H: Test/reset button held down


Statistics reset

PBM-H: Control menu


Operation hours reset

PBM-H: Control menu


Thermal image reset to 75%

PBM-H: Control menu


Motor stop command

PBM-H: Stop key


To facilitate the overload function tests, the following commands are included which are onlyavailable from communication:

Thermal image reset to 75% Communication: Control 54

Thermal image reset to 0% Communication: Control 55


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5.11. Test programm

5.11.1. Base module PBM-B test programm

The PBM-B equipment is equipped with a test menu from where the led and outputs operationcan be checked via the PBM-H.

The following table shows the components that can be tested, along with their status dependingon whether they are activated or deactivated:

Led 1

Deactivated Led 1 off

Activated Led 1 on

Led 2


Activated Led 2 on

Led 3


Activated Led 3 on

Led 4


Activated Led 4 on

Led 5


Activated Led 5 on

Output 1

Deactivated Output 1 deactivated

Activated Output 1 activated

Output 2

Deactivated Output 2 deactivated

Activated Output 2 activated

The following key sequence is used to access to the test menu: from the main menu, press thekeys , , and in sequence and then press and hold the "OK" key until the "TEST -DISPLAY" appears on the display. Pressing the key we access the TEST-PBM menu, andpressing OK, we access the test menu for the PBM-B base module. We navigate the variousmenu items using the and keys. Each item can be activated or deactivated by pressing"OK" on it (if the item is deactivated, it is activated by pressing OK; if the item is activated, it isdeactivated by pressing OK). Press the C key to exit the test menu.



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5.11.2. Module PBM-H test programm

The PBM-H equipment is equipped with a test menu from where the led and keys operation canbe checked.

The following table shows the components that can be tested, along with their status:

Led 1

Deactivated Led 1 Switched off

Activated Led 1 Switched on

Led 2



Led 3Deactivated Led 3 Switched off


Led 4



Led 5



Led 6



Tecla

Deactivated No key pressed

Up key pressed

Down key pressed

Left key pressed

Right key pressed

OK OK key pressed

C C key pressed

Operation I key pressed

Stop O key pressed

Reset RESET key pressed


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The following key sequence is used to access to the test menu: from the main menu, press thekeys , , and in sequence and then press and hold the "OK" key until the "TEST -DISPLAY" appears on the display. Pressing the OK key gives access to the hmi module testmenu. Use the and keys to browse through the different menu items. Each item can beactivated or deactivated by pressing "OK" on it (if the item is deactivated, it is activated by

pressing OK; if the item is activated, it is deactivated by pressing OK). To exit the hmi testmenu from any status, except the Key status, press the C key. To exit the hmi test menu fromthe Key status, hold the C key down.


5.12. Power suppply

The PBM.B equipment permits two different power supplies to be selected per model:

110-230 Vac/dc

24/48 Vdc

The equipments maximum consumption is 5W. It generates 24 Vdc, which are available via RJ -45 to supply the other modules.

To protect the power supply against unstable power situations, the microproccessor of theequipments power supply inhibits the possibility of successive and repetitive starts, beingnecessary to wait a minimum of 1 minute after each relay switch off, so that it may consider thefollowing switch on as correct and stable powering.

5.13. Earth toroidal transformer monitoringThe earth toroidal transformer connection is checked if the IG> function or the IG>> function, orboth, are permitted. If it is detected that the transformer connection has opened during a periodof 1 second, the "G toroidal transformer open" status bit is activated. This bit is reset instantly.

5.14. Time delayed equipment start

An adjustable timer is fitted which delays output activation in the PBM power supply for theamount of time set in the Time delayed equipment start up parameter in the set of generalsettings. In this way all the installation's motors can be started up in a staggered way. The time

delay can be adjusted within a range of 0 to 3600 seconds (1 hour).The "Miscellaneous" states group includes the Enable outputs " bit. During the equipment startup time delay this bit is at 0, thus preventing the physical outputs from being activated. Once theequipment start up time delay is complete, the bit switches to 1 and the physical outputs areenabled.

5.15. Equipment reset

The three reset types considered on the PBM equipment are as follows:

Automatic reset

Time delayed automatic reset

Manual reset


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If automatic reset has been set, the equipment is reset when the trip condition has disappeared.

If automatic time delayed reset has been set, the equipment is reset when the trip condition hasdisappeared and the set reset time has passed.

If manual reset has been set, the equipment is reset when the reset order is received. This

manual reset command can be recevied via three different routes: PBM-H, communicationcommand or digital input. Each route may or may not be permitted by the settings.

5.16. Thermal image reset

There are two thermal image reset commands.

Reset of the thermal image to 75%, which can be accessed from the hmi andcommunication.

Reset of the thermal image to 0%, which can be accessed from communication.

5.17. Reset/Test Button

The Test/Reset button has two functions.

A short press of the Test/Reset button tests the PBM-H and PBM-B leds simultaneously, withthe following sequence: Lit for one second, off for one second, lit for one second and offpermanently.

Holding down the Test/Reset key (3 seconds) resets the leds and the latched outputs. Thisway, it is possible to restart the motor after a trip or after a manual stop generated by the user


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6. TECHNICAL SPECIFICATIONS AND STANDARDS6.1. Technical specifications

General

PBMB1*, Motor rated current: 0.8 to 6 A (step 0.01)

PBMB5*, Motor rated current: 4 to 25 A (step 0.01)

Phase transformation ratio: 1 to 2000

Frequency: 50Hz/60Hz/variable frequency (45Hz65Hz)

Phase sequence ABC/ACB

Time delayed equipment start up: 0 to 3600 s (step 1 s)

Overload

Enable function: Yes/no

Tap: 1 to 2 IB(step 0.01)

Trip class: 5, 10, 15, 20, 25, 30, 35, 40 and 45

Independent mechanical ventilation: yes/no (yes, cooling thermal constant /4)

Alarm: 20 to 100% (step 1)

Maximum current of the three phases

Heating thermal constant: 37

Cooling thermal constant: 90

Heating I > 15% IB

Cooling I < 15% IB

Activation level: 100% thermal image

Reset level: Adjusted alarm level

Instant function reset

Imbalance


%Imbalance: 1 to 30% (step 1)

Motor starting up time: 0.02 to 20 s (step 0.001 s)

Motor operation time: 0.02 to 20 s (step 0.001 s)

Reference: Average current of phases IA, IB, IC


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Upper limit, activation level: (100 + d)%

Upper limit, reset level: (100 + d5)%

Lower limit, activation level: (100d)%

Lower limit, reset level: (100d + 5)%


Phase failure


%Imbalance: 10 to 100% (step 1)

Operating time: 0.02 to 20s (step 0.001)

Reference: Average current of phases IA, IB, IC

Activation level: (100d)%

Reset level: (100d + 5)%


Sequence


Operating time: 0.02 to 2 s (step 0.001)


PTC


Overtemperature, activation level: > 3600

Overtemperature, reset level: < 1800

Short circuit, activation level: < 20

Short circuit, reset level: > 30

Open circuit, activation level: > 4000

Open circuit, reset level: < 3900

Operating time: 500 ms


Jam


Tap: 1 to 3.5 times IB(Step 0,01)

Operating time: 0.02 to 50 s (Step 0.001)


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Activation level: 100%

Reset level: 95%


Locked rotor


Tap: 3.5 to 6 times IB(Step 0,01)

Motor starting up time: 0.02 to 200 s (Step 0.001)

Motor operation time: 0.02 to 30 s (Step 0.001)


Reset level: 95%


I0>>



Operating time: 0.02 to 5 s (Step 0.001)


Reset level: 95%


I0>



IEC 255-4/BS-142 Curves

Operating time: Inverse curve, very inverse curve, extremely inverse curve. Definedtime : 0.02 to 300 s (Step 0.01 s)

Dial: 0.05 to 1.25

Curve activation level 110%

Curve reset level 100%

Defined time activation level 100%

Defined time reset level 95%


Timer precision: 5% or 30 ms (whichever is greater)


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RTC Memory It maintains the date during 72 (65C) hours without power supply

Inputs 24Vac/dc

Outputs

Ith: 5A8A, 250 Vac, General Use (AC15)

8A, 30 Vdc, Resistance (DC13)

In case of using 630 or 780 A contactors, PBM-B outputs wont be able ofmanipulating the coil of the contactors. It will be necessary to introduce an auxiliarcontactor.

Current measurement

Real RMS

Sampling: 16 samples/cycle

2% Accuracy in the whole range

Frequencymeasurement

Thermal imagemeasurement

Communications RS485 port: ModBus RTU

Power110/230 Vac/dc

24/48Vdc

Short Circuit WithstandRating

5,000A rms Sym, 230Vac(performed on PBM-B Model, were applied 3 cycles usingRK5 fuses)

Max. Nominal voltage ofthe motor

1000 Vac

Power consumption Maximum consumption: 5 W.

Electrical life 5x105OP

Mechanical life 106OP

Environmentalconditions

Operating temperature : -10 to 65C

Storage temperature: -20 to 70C

Relative humidity: 95%

Height: 3000 m

En PBM User-Manual R009

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Transcript of En PBM User-Manual R009