ABB REM 610 Technical Reference Manual
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ABB REM 610 Technical Reference Manual

Motor protection relay
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Motor Protection Relay
REM 610
REM 610
Technical Reference Manual - ANSI Version

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Summary of Contents for ABB REM 610

  • Page 1 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version...

  • Page 3: Table Of Contents

    1MRS755537 Motor Protection Relay REM 610 REM 610 Issued: 11.04.2005 Technical Reference Manual - ANSI Version Version: C/31.12.2007 Contents Copyrights ................. 1. Introduction..............9 1.1. This manual.............. 9 1.2. Use of symbols ............9 1.3. Intended audience ............. 9 1.4. Product documentation ..........10 1.5.
  • Page 4 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 5.1.4.8. Phase reversal protection ....41 5.1.4.9. Cumulative start-up time counter..41 5.1.4.10. Circuit-breaker failure protection..42 5.1.4.11. Temperature protection (optional) ..43 5.1.4.12. Settings ........47 5.1.4.13.
  • Page 5 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 6.1.2.4. Checking the set safe stall time for a single start........133 6.1.2.5. Restart disable level, 49 RESTDIS ..133 6.1.2.6. Prior alarm level, 49 ALARM ..133 6.1.2.7.
  • Page 7 This document and parts thereof must not be reproduced or copied without written permission from ABB Oy, and the contents thereof must not be imparted to a third party nor used for any unauthorized purpose.

  • Page 9: Introduction

    Technical Reference Manual - ANSI Version Introduction 1.1. This manual This manual provides thorough information on the relay REM 610 and its applications, focusing on giving a technical description of the relay. For more information about earlier revisions, refer to Section 1.6. Document revisions.

  • Page 10: Product Documentation

    Technical Reference Manual - ANSI Version 1.4. Product documentation In addition to the relay and this manual, the delivery contains the following relay- specific documentation: Table 1.4.-1 REM 610 product documentation Name Document ID Installation Manual 1MRS752265-MUM Technical Reference Manual 1MRS752263-MUM Operator’s Manual...

  • Page 11: Safety Information

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Safety information Dangerous voltages can occur on the connectors, even though the auxiliary voltage has been disconnected. Non-observance can result in death, personal injury or substantial property damage.

  • Page 13: Product Overview

    Product overview 3.1. Use of the relay The motor protection relay REM 610 is a versatile multifunction protection relay mainly designed to protectmotors in a wide range of motor applications. The relay is based on a microprocessor environment. A self-supervision system continuously monitors the operation of the relay.
  • Page 14 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Two change-over (form c) non-trip contacts Output contact functions freely configurable for wanted operation Two galvanically isolated digital inputs and three additional galvanically isolated digital inputs on the optional RTD module...

  • Page 15: Application

    The relay can be used with both circuit-breaker controlled and contactor controlled drives. REM 610 can equally well be used to protect, for instance, feeder cables and power transformers which require thermal overload protection and, for instance, single-, two- or three-phase overcurrent or non-directional ground-fault protection.
  • Page 16 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version A060571 Fig. 4.2.-1 Connection diagram, example 1...
  • Page 17 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version A060568 Fig. 4.2.-2 Connection diagram, example 2...
  • Page 18 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version A060569 Fig. 4.2.-3 Connection diagram, example 3...

  • Page 19: Technical Description

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Technical description 5.1. Functional description 5.1.1. Product functions 5.1.1.1. Protection functions Table 5.1.1.1.-1 IEC symbols and IEEE device numbers Function description IEC symbol IEEE Device No.

  • Page 20: Outputs

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version The functions of the digital inputs are determined with the SGB switches. For details, refer to Section 5.2.1. Input/output connections and Table 5.1.4.12.-8, Table 5.2.1.-1 and Table 5.2.1.-5.

  • Page 21: Motor Start Up

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version The estimated time to the next possible motor start up, i.e. when the restart disable signal is reset, can be accessed either via the HMI or the SPA bus.

  • Page 22: Disturbance Recorder

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version If the FLA secondary is set to 0.5, the maximum measured current is 25 x full load current of the motor. The FLA secondary does not affect the ground-fault current, I 5.1.1.8.

  • Page 23: Non-Volatile Memory

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 5.1.1.10. Non-volatile memory The relay can be configured to store various data in a non-volatile memory, which retains its data also in case of loss of auxiliary voltage (provided that the battery has been inserted and is charged).

  • Page 24: Time Synchronization

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version WARNING BATTERY LOW A040279 Fig. 5.1.1.11.-2 Warning with text message WARNING FAULT CODE: 2049 A040281 Fig. 5.1.1.11.-3 Warning with numeric code For fault codes, refer to Section 5.1.16. Self-supervision (IRF) system.

  • Page 25: Measurements

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Time synchronization is always triggered on the rising edge of the digital input signal. The time is adjusted in steps of five milliseconds per synchronization pulse.

  • Page 26: Configuration

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Target Description RTD1 Temperature from RTD1 RTD2 Temperature from RTD2 RTD3 Temperature from RTD3 RTD4 Temperature from RTD4 RTD5 Temperature from RTD5 RTD6 Temperature from RTD6...
  • Page 27 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version A060573 Fig. 5.1.3.-1 Signal diagram...
  • Page 28 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version The functions of the relay are selected with the switches of switchgroups SGF, SGB, SGR and SGL. The checksums of the switchgroups are found under SETTINGS in the HMI menu.

  • Page 29: Protection

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 5.1.4. Protection 5.1.4.1. Block diagram Switchgroups for digital inputs Protection relay functions Switchgroups for programmable LEDs SGB1...5 SG L1 ...8 t>, Reset 1 3) 49 ALARM...

  • Page 30: Thermal Overload Protection

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 5.1.4.2. Thermal overload protection The thermal overload protection detects short- and long-term overloads under varying load conditions. The heating up of the motor follows an exponential curve, the levelled-out value of which is determined by the squared value of the load current.
  • Page 31 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version stress and long-time thermal history. After a short period of thermal stress, e.g. a motor start up, the thermal level will start to decrease quite sharply, simulating the levelling out of the hot spots.
  • Page 32 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 4000 3000 2000 1000 1.05 I/FLA A070083 Fig. 5.1.4.2.-1 Trip curves when no prior load and p=20...100%...
  • Page 33 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 4000 3000 2000 1000 10 15 20 1.05 I/FLA A070084 Fig. 5.1.4.2.-2 Trip curves at prior load 1 x FLA and p=100%...
  • Page 34 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 4000 3000 2000 1000 1.05 I/FLA A070085 Fig. 5.1.4.2.-3 Trip curves at prior load 1 x FLA and p=50%...

  • Page 35: Start-Up Supervision

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 4000 3000 2000 1000 1.05 I/FLA A070086 Fig. 5.1.4.2.-4 Trip curves at prior load 1 x FLA and p=20% 5.1.4.3. Start-up supervision Start-up supervision can be based on either definite-time overcurrent protection or thermal stress calculation.
  • Page 36 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Start-up supervision based on definite-time overcurrent protection The non-directional low-set element, 48/14, detects overcurrent, caused by an overload or a short circuit, for instance. When one or several phase currents exceed the set pickup value of element 48/14, the element will generate a pickup signal after a ~ 55 ms’...

  • Page 37: Short-Circuit Protection

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version thermal stress value, I x t, until all three phase currents have fallen below the set pickup value. When the calculated value exceeds the reference value, (48/14 PICKUP) x (48/14 TDLY), the element will generate a trip signal.

  • Page 38: Undercurrent Protection

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version characteristic by setting the operate time to the minimum, i.e. 0.05 s. The element will be reset in 50 ms after all three phase currents have fallen below the set pickup value of the element.

  • Page 39: Ground-Fault Protection

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version It is possible to block the tripping of the undercurrent element by applying a digital input signal to the relay. Element 37 can be set out of operation in SGF3. This state will be indicated by dashes on the LCD and by “999”...

  • Page 40: Unbalance Protection

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 5.1.4.7. Unbalance protection The inverse-definite-minimum-time (IDMT) unbalance protection is based on the calculated negative-phase-sequence (NPS) current and detects phase unbalance between phases I and I , caused by a broken conductor, for instance. Phase unbalance in a network feeding the motor will cause overheating of the rotor.

  • Page 41: Phase Reversal Protection

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version A060577 Fig. 5.1.4.7.-1 Inverse-time curves of element 46 5.1.4.8. Phase reversal protection The phase reversal protection is based on the calculated negative-phase-sequence current and detects too high NPS current values during motor start up, caused by incorrectly connected phases, which in turn will cause the motor to rotate in the opposite direction.

  • Page 42: Circuit-Breaker Failure Protection

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version The time to the next possible motor start up depends on the countdown rate of the start-up time counter, 66 COOL /Δt, i.e. the rate at which the register’s value decreases.

  • Page 43: Temperature Protection (Optional)

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version External triggering is disabled when all phase currents fall below 12 percent of the FLA of the motor, that is, at standstill. Internal triggering is selected by activating the CBFAIL in SGF and external triggering by activating the CBFAIL in SGB.
  • Page 44 For as long as the emergency start is activated, RTD1...6T will be increased by 10 per cent. Temperature protection using thermistors REM 610 supports PTC thermistors. When input RTD1/RTD4 is used with thermistors, a trip value, PTC1/PTC2, is set for the respective input.
  • Page 45 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version RTD sensor/ thermistor DIFF Common RTD sensor/ thermistor DIFF Common A050429 Fig. 5.1.4.11.-1 RTD sensor/thermistor connection RTD temperature vs resistance Resistance values (Ω) of RTD sensors at specified temperatures are presented in the table below.
  • Page 46 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Temperature Platinum TCR 0.00385 Nickel TCR 0.00618 Copper TCR Nickel TCR °C 0.00427 0.00672 Pt 100 Pt 250 Pt 1000 Ni 100 Ni 120 Cu 10 Ni 120 US 153.58...

  • Page 47: Settings

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 49/38-1 49/38-1 ALARM ALARM1 (RTD) RTD1/ TRIP1 PTC1 (RTD) 49/38-1 TRIP TRIP1 (PTC) ALARM2 RTD2 TRIP2 ALARM3 RTD3 TRIP3 49/38-2 49/38-2 ALARM ALARM4 (RTD) RTD4/ TRIP4...
  • Page 48 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Group selection: Switching between group 1 and group 2 is accomplished by means of a digital input Switching between setting groups through group selection has higher priority than through group configuration.
  • Page 49 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Setting Description Setting range Default setting RTD2A Alarm value RTD2A 0...200°C 0°C RTD2A TDLY Operate time RTD2A TDLY 1...100 s RTD2T Trip value RTD2T 0...200°C 0°C...
  • Page 50 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Switch Position Weighting Value number factor 1024 1024 2048 4096 4096 4096 8192 16384 16384 32768 65536 65536 131072 262144 262144 524288 checksum 349525 A060801 Fig. 5.1.4.12.-1...
  • Page 51 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Switch Function Default setting SGF1/5 Minimum pulse length for PO1, PO2 and PO3 0=80 ms 1=40 ms The latching feature being selected for PO1, PO2 and PO3 will override this function.
  • Page 52 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.4.12.-4 SGF3 Switch Function Default setting SGF3/1 Disable of element 50P SGF3/2 Disable of element 37 SGF3/3 Disable of element 51N SGF3/4 Disable of element 46...
  • Page 53 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Switch Function Default setting SGF5/8 Selection of the latching feature for programmable LED8 When the switch is in position 0 and the signal routed to the LED is reset, the programmable LED will be cleared.
  • Page 54 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version SGR1...SGR5 The pickup, trip and alarm signals from the protection elements, the motor start-up signal and the external trip signal are routed to the output contacts with the switches of switchgroups SGR1...SGR5.
  • Page 55 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Weighting SGR1...5/1 Alarm factor SGR1...5/2 Trip SGR1...5/3 48/14 Pickup SGR1...5/4 48/14 Trip SGR1...5/5 Pickup SGR1...5/6 Trip SGR1...5/7 Pickup SGR1...5/8 Trip SGR1...5/9 Pickup SGR1...5/10 Trip SGR1...5/11 1024 Pickup SGR1...5/12...
  • Page 56 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Switch Function Default setting SGR1...SGR2 SGR3 SGR4...SGR5 SGR1...5/6 Trip signal from element 50P SGR1...5/7 Pickup signal from element 37 SGR1...5/8 Trip signal from element 37 SGR1...5/9 Pickup signal from element 51N SGR1...5/10...
  • Page 57 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Switch Function Default setting SGL1 SGL2 SGL3...8 SGL1...8/13 DI2 signal SGL1...8/14 DI3 signal SGL1...8/15 DI4 signal SGL1...8/16 DI5 signal SGL1...8/17 Alarm signal from element 49/38-1 SGL1...8/18 Trip signal from element 49/38-1 SGL1...8/19...

  • Page 58: Technical Data On Protection Functions

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.4.12.-11 Memory settings Setting Switch Function Default setting Non-volatile memory 0 = operation target messages settings and LEDs will be cleared 1 = operation target messages...
  • Page 59 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Table 5.1.4.13.-2 Element 48/14 Feature Value Set pickup 48/14 value, at definite-time characteristic 1.00...10.0 x FLA Pickup time, typical 55 ms Time/current characteristic definite-time operate time, 48/14 TDLY 0.30...80.0 s...
  • Page 60 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Feature Value Resetting time, typical/maximum 40/50 ms Retardation time 30 ms Drop-off/pick-up ratio, typical 0.96 Operate time accuracy at definite-time ±2% of the set operate time or ±25 ms...
  • Page 61 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Feature Value Drop-off/pick-up ratio, typical 0.95 Operate time accuracy 46 PICKUP + 0.065…4.0 x FLA ±5% of the calculated operate time or ±100 Operation accuracy ±5% of the set pickup value Disable of 46 I <...

  • Page 62: Trip-Circuit Supervision

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.4.13.-11 CBFAIL Feature Value Set operate time 0.10...60.0 s Phase-current threshold for external triggering of the CBFAIL pick-up/drop-off 0.13/0.11 x FLA The accuracies apply only when the FLA secondary scaling factor has been set to 1.
  • Page 63 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version The external shunt resistor is used to enable trip-circuit supervision also when the circuit breaker is open. The resistance of the external shunt resistor is to be calculated so that it does not cause malfunction of the trip-circuit supervision or affect the operation of the trip coil.

  • Page 64: Target Leds And Operation Target Messages

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 5.1.6. Target LEDs and operation target messages The operation of the relay can be monitored via the HMI by means of LED targets and text messages on the LCD. On the front panel of the relay there are three target...

  • Page 65: Commissioning Tests

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version The third value shows the highest one-minute average current value measured during the previous time range. However, if the time range is set to zero, only the one-minute and the maximum value is shown.

  • Page 66: Disturbance Recorder Data

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 5.1.10.2. Disturbance recorder data One recording contains data from the four analog channels and up to eight digital channels. The analog channels, whose data is stored either as RMS curves or as instantaneous measured values, are the measured by the relay.

  • Page 67: Control And Target Of Disturbance Recorder Status

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version At a power reset, triggered recorder data is retained in the memory provided that it has been defined non-volatile. 5.1.10.3. Control and target of disturbance recorder status It is possible to control and monitor the recording status of the disturbance recorder by writing to and reading SPA parameters M1, M2 and V246.

  • Page 68: Event Code Of The Disturbance Recorder

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 5.1.10.6. Event code of the disturbance recorder The disturbance recorder generates an event code on triggering (E31) and clearing (E32) the recorder. The event mask is determined using SPA parameter V155.
  • Page 69 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Table 5.1.11.-1 Recorded data REGISTER Data description EVENT1 Phase currents I and the NPS current as a multiple of the full load current (FLA) of the motor. The ground fault current, In, as a percentage of the rated current of the CT used.

  • Page 70: Communication Ports

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 5.1.12. Communication ports The relay is provided with an optical communication port (infrared) on the front panel. Rear communication is optional and requires a communication module, which can be provided with either a plastic fibre-optic, combined fibre-optic (plastic and glass) or RS-485 connection.

  • Page 71: Iec 60870-5-103 Remote Communication Protocol

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version When setting values are altered via the front communication port, the relay checks that the entered parameter values are within the permitted setting range. If an entered value is too high or too low, the setting value remains unchanged.
  • Page 72 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version time in messages with the type identification 2 is calculated as a time difference between the occurred event and the event specified in the column Relative time. The measurand multiplied by the normalize factor is proportional to the rated value.
  • Page 73 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Event reason 51N Pickup/Reset 1E27/ 1E27 1E28 51N Trip/Reset 1E29/ 1E27 1E30 46 Pickup/Reset 1E31/ 1E31 1E32 46 Trip/Reset 1E33/ 1E31 1E34 46R Trip/Reset 1E35/ 1E36...

  • Page 74: Modbus Remote Communication Protocol

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.13.-2 Information mapping of configuration set 1 and 2 Measurand Current l (CT) Current l (CT) Current l (CT) Current I (CT) 5.1.14. Modbus remote communication protocol The master/slave protocol Modbus was first introduced by Modicon Inc.

  • Page 75: Profile Of Modbus

    Modbus line settings, that is, parity, CRC byte order and baud rate, can be adjusted either via the HMI or the SPA bus. The implementation of the Modbus protocol in REM 610 supports the following functions: Table 5.1.14.1.-1...
  • Page 76 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.14.1.-2 Supported diagnostic subfunctions Code Name Description Return query data The data in the query data field is returned (looped back) in the response. The entire response is to be identical to the query.
  • Page 77 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Table 5.1.14.1.-3 Diagnostic counters Name Description Bus message count The number of messages in the communications system detected by the slave since its last pickup, clear counters operation or power up.
  • Page 78 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version User-defined registers Reading of unwanted data in a data block wastes bandwidth and complicates data interpretation. For optimum efficiency in Modbus communication, data has therefore been organized into consecutive blocks. In addition, a set of programmable user-defined registers (UDR) has been defined in the holding register area.
  • Page 79 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Special case 1: If there are no unread fault records, the contents of the last read record is returned. If the buffer is empty, however, the registers contain only zeros.
  • Page 80 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version The event record contains a sequence number which makes it possible for the master to determine whether one or several unread event records have been deleted due to overflow by comparing it to the sequence number of the previously read event record.
  • Page 81 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Momentary Change detect A040332 Fig. 5.1.14.1.-1 Change detection bit If the instantaneous value of a target bit has changed two or more times since the master last read it, the CD bit is set to one. When the CD bit has been read, it is set to zero.
  • Page 82 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.14.1.-5 Mapping of Modbus data: user-defined registers Description HR/IR address DI/Coil bit Writeable Value range Comment (.bit) address UDR 1 1 or 385 UDR 2...
  • Page 83 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Table footnotes from previous page If the input is out of operation or the optional RTD module has not been installed, the value -32768 will be returned.
  • Page 84 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Description HR/IR address DI/Coil bit Writeable Value range Comment (.bit) address Trip signal from element 46 CD 419.01 Trip signal from element 46R 419.02 1 = activated Trip signal from element 46R CD 419.03...
  • Page 85 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Description HR/IR address DI/Coil bit Writeable Value range Comment (.bit) address Emergency start 421.10 1 = activated Emergency start CD 421.11 HMI Communication password 421.12 1 = opened...
  • Page 86 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Description HR/IR address DI/Coil bit Writeable Value range Comment (.bit) address Trip target code 0...21 See Table 5.1.15.- Start-up time of the latest motor start 0...240...
  • Page 87 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Table 5.1.14.1.-14 Fault record Address Signal name Range Comment Latest selection code 1...2 1 = read oldest unread record 2 = read oldest stored record Sequence number 1...999...
  • Page 88 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.14.1.-15 Event record Address Signal name Range Comment Latest selection code 1...3 1 = read oldest unread record 2 = read oldest stored record 3 = clear Modbus event buffer -1...-99...

  • Page 89: Spa Bus Communication Protocol Parameters

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 5.1.15. SPA bus communication protocol parameters Altering parameter values via serial communication requires the use of the SPA password in some cases. The password is a user-defined number within the range 1...999, the default value being 001.
  • Page 90 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Variable Actual Group/ Group/ Setting range settings (R), Channel 1 (R, Channel 2 (R, channel 0 W, P) W, P) Pickup value of element 1S15 2S15 0.10…0.50 x...
  • Page 91 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Variable Actual Group/ Group/ Setting range settings (R), Channel 1 (R, Channel 2 (R, channel 0 W, P) W, P) Checksum, SGF 1 1S61 2S61 0...255...
  • Page 92 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Recorded data Parameter Value 4=(48/14 PICKUP) x (48/14 TDLY) or 48/ 14 I 8=51N 16=I (50P) 32=I (50P) 64=I (50P) 128=46 256=I (37) 512=I (37) 1024=Ia (37)
  • Page 93 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Recorded data Parameter Value Number of pickups of element (48/ 0...999 14 PICKUP)2 x (48/14 TDLY) or 48/14 Number of pickups of element 50P 0...999 Number of pickups of element 51N 0...999...
  • Page 94 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Recorded data Event (R) Value Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Pickup duration 1V19 2V19 3V19 4V19 5V19 0...100% of element 49/...
  • Page 95 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Description Parameter (channel 0) R, W Value Analog channel conversion factor and unit R, W Factor 0...65535, unit (A, for the ground-fault current kA), e.g. 10,kA...
  • Page 96 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Event Weighting factor Default value of Default value of Default value of triggering mask, triggering edge, storing mask, V236 V237 V238 Trip of element Pickup of...
  • Page 97 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Description Parameter R, W, P Value Rated frequency V104 R, W (P) 50 or 60 Hz Time setting range for demand values in V105 R, W 0...999 min...
  • Page 98 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Description Parameter R, W, P Value Sensor selection for input RTD5 V125 R, W (P) 0 = not in use 1 = Pt100 -45...+150°C 2 = Pt250 -45...+150°C 3 = Pt1000 -45...+150°C...
  • Page 99 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Description Parameter R, W, P Value RTD build number 1V229 Relay serial number V230 BAxxxxxx CPU serial number V231 ACxxxxxx RTD serial number V232 ARxxxxxx Test date...
  • Page 100 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table footnotes from previous page If the input is out of operation or the optional RTD module has not been installed or is faulty, dashes will be shown on the LCD and “999”...
  • Page 101 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Status of the Channel State of element Recorded Value protection functions (R) elements Trip of element 49/38-1 Alarm of element 49/38-2 Trip of element 49/38-2 CBFAIL trip Table 5.1.15.-10...
  • Page 102 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Parameters for IEC 60870-5-103 remote communication protocol Table 5.1.15.-11 Settings Description Parameter R, W, P Value (channel 507) Unit address of the relay 507V200 R, W 1...254...

  • Page 103: Event Codes

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Measurements Table 5.1.15.-13 Measured values Description Parameter R, W, P Value (channel 0) Cumulative start-up counter 0...999 s Time to next possible motor start up 0...999 min Motor running time R, W (P) 0...999 x 100 h...
  • Page 104 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.15.1.-1 Event masks Event mask Code Setting range Default setting V155 E31...E36 0...63 1V155 1E1...1E14 0...16383 4180 1V156 1E15...1E26 0...4095 1365 1V157 1E27...1E38 0...4095 2V155 2E1...2E10...
  • Page 105 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Channel 1 Table 5.1.15.1.-5 Event codes E1...E14 Channel Event Description Weighting Default factor value Motor start up begins Motor start up ends Pickup of element 49 activated...
  • Page 106 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.15.1.-7 Event codes E27...E38 Channel Event Description Weighting Default factor value Pickup signal from element 51N activated Pickup signal from element 51N reset Trip signal from element 51N activated...

  • Page 107: Self-Supervision (Irf) System

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Channel Event Description Weighting Default factor value DI5 activated DI5 deactivated Default value of event mask 2V156 Table 5.1.15.1.-10 Event codes E21...E28 Channel Event Description Weighting...
  • Page 108 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.1.16.-1 IRF codes Fault code Type of fault Error in output relay PO1 Error in output relay PO2 Error in output relay PO3 Error in output relay SO1...

  • Page 109: Self-Supervision Of The Rtd Module

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Table 5.1.16.-2 Warning codes Fault Weight value Battery low Trip-circuit supervision Power supply module temperature high Communication module faulty or missing RTD module faulty Temperature sensor range error...

  • Page 110: Design Description

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Local parameterization When the parameters are set locally, the setting parameters can be chosen via the hierarchical menu structure. The wanted language can be selected for parameter descriptions.
  • Page 111 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Unused RTD inputs are to be short-circuited separately. Terminals X4.1/21-24 and X3.1/1-6 (optional) are digital input terminals, see Table 5.2.1.-5. The digital inputs can be used to generate a blocking signal, to unlatch output contacts or for remote control of relay settings, for instance.
  • Page 112 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version X2.1 X3.1 X4.1 X5.3 X5.4 A051555 Fig. 5.2.1.-1 Rear view of the relay with the fibre-optic communication module for plastic and glass fibre...
  • Page 113 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version X2.1 X3.1 X4.1 X5.5 A051554 Fig. 5.2.1.-2 Rear view of the relay with the RS-485 communication module Table 5.2.1.-1 Inputs for phase and ground-fault currents Terminal...
  • Page 114 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Terminal Function REM610x11xxxx REM610x15xxx- REM610x51xxxx REM610x55xx- X2.1-9 X2.1-10 X2.1-11 X2.1-12 The value denotes the rated current for each input. Table 5.2.1.-2 Auxiliary supply voltage Terminal Function X4.1-1...

  • Page 115: Serial Communication Connections

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Table 5.2.1.-5 Digital inputs Terminal Function X4.1-23 X4.1-24 X4.1-21 X4.1-22 X3.1-1 X3.1-2 X3.1-3 X3.1-4 X3.1-5 X3.1-6 Optional. Table 5.2.1.-6 RTD inputs (optional) Terminal Function X3.1-7 RTD1, + X3.1-8...
  • Page 116 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Plastic fibre-optic connection If the relay is provided with the optional fibre-optic communication module for plastic fibre, the fibre-optic cables are connected to terminals as follows: Table 5.2.2.-1...
  • Page 117 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version The bus is to be biased at one end to ensure fail-safe operation, which can be done using the pull-up and pull-down resistors on the communication module. The pull- up and pull-down resistors are selected by setting jumpers X3 and X4 to the ON position.
  • Page 118 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version The fibre-optic interface is selected with jumpers X6 and X2 located on the PCB of the communication module (see Fig. 5.2.2.-2). Table 5.2.2.-3 Transmitter selection Transmitter...

  • Page 119: Technical Data

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 5.2.3. Technical data Table 5.2.3.-1 Dimensions (for dimension drawings, refer to the Installa- tion Manual) Width, frame 177 mm, case 164 mm Height, frame 177 mm (4U), case 160 mm Depth, case 149.3 mm...
  • Page 120 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Table 5.2.3.-4 Measuring range Measured currents on phases I and I 0...50 × I (CT) multiples of the rated currents of the energizing inputs Ground-fault current as a multiple of the rated 0...8 ×...
  • Page 121 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Table 5.2.3.-8 Trip outputs (PO1, PO2, PO3) Rated voltage 250 V AC/DC Continuous carry Make and carry for 3.0 s 15 A Make and carry for 0.5 s...
  • Page 122 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Dry cold test According to IEC 60068-2-1 Damp heat test, cyclic (humidity >93%) According to IEC 60068-2-30 Atmospheric pressure 86...106 kPa Table 5.2.3.-12 Electromagnetic compatibility tests...
  • Page 123 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Table 5.2.3.-13 Standard tests Insulation tests: Dielectric tests According to IEC 60255-5 Test voltage 2 kV, 50 Hz, 1 min Impulse voltage test According to IEC 60255-5...

  • Page 125: Application Examples

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Application examples 6.1. Setting calculations 6.1.1. Protected unit scaling factor The FLA secondary scaling factor for phase currents is calculated as follows: × FLA secondary scaling factor =...

  • Page 126: Selecting Weighting Factor P

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version If the settings of the thermal overload protection have been defined by means of the FLA of the motor instead of the internal FLA, they will be valid at an ambient temperature of 40°C.
  • Page 127 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 4000 3000 2000 1000 Cold curve 1.05 I/FLA A070814 Fig. 6.1.2.1.-1 The influence of p at prior load 1 x FLA and t = 20 s...

  • Page 128: Safe Stall Time For Hot Starts

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 6.1.2.2. Safe stall time for hot starts The safe stall time setting, t , is determined according to the start-up time of the motor. The safe stall time can easily be determined from the trip curves at prior load 1 x FLA.
  • Page 129 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Example: Start-up current of the motor 6.2 x FLA Start-up time of the motor 11 s One hot start allowed Ambient temperature 40°C At an ambient temperature of 40°C the internal FLA equals the FLA of the motor.
  • Page 130 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version 1.05 A051487 Fig. 6.1.2.2.-1 Selected safe stall time 30 s Example: Start-up current of the motor 6.2 x FLA Start-up time of the motor 11 s...
  • Page 131 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version In this case, a safe stall time setting of 23 seconds is selected from the trip curves at prior load 1 x FLA, permitting a start-up time slightly longer than the one stated by the motor manufacturer;...
  • Page 132 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Example: Start-up current of the motor 6.2 x FLA Start-up time of the motor 11 s One hot start allowed Ambient temperature 40°C At an ambient temperature of 40°C the internal FLA equals the FLA of the motor.

  • Page 133: Checking The Set Safe Stall Time For Cold Starts

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 6.1.2.3. Checking the set safe stall time for cold starts By selecting the correct trip curve from the trip curves at no prior load according to the previously selected or calculated safe stall time setting, the total start-up time of the motor can be read from the curve.

  • Page 134: Time Constant Dial, Kc

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Generally, the prior alarm level is set to 80…90 per cent of the trip level. 6.1.2.7. Time constant dial, K The time constant dial, K , is the ratio of the cooling time (at motor standstill) and the heating time constant: τ...

  • Page 135: Cumulative Start-Up Time Counter

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 6.1.4. Cumulative start-up time counter The cumulative start-up time counter functions as backup to the thermal overload protection and prevents too frequent motor start ups, i.e. ensures that the recommendations from the manufacturer are followed.

  • Page 136: Unbalance And Phase Reversal Protection

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Generally, a set pickup value as low as 75% of the start-up current of the motor has proved useful, but if the inrush current causes tripping during motor start up, a higher set pickup value will be required.

  • Page 137: Ground-Fault Protection

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version However, an ground-fault current may affect the unbalance measurement. Therefore, it is recommended that the unbalance protection is used to protect the motor against single-phasing only.

  • Page 138: Stabilizing Virtual Ground-Fault Currents

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version The pickup value of the ground-fault element is typically selected to be 5...30% In of the fully developed ground-fault current and the operate time to be 0.5...2 seconds.
  • Page 139 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Rated power, P 4500 kW Rated voltage, U 3300 V Rated current, I 930 A Start-up current of the motor 6.2 x FLA Start-up time of the motor...

  • Page 140: Protecting A Motor At An Ambient Temperature Other Than 40°C

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version If the pickup value of element 50P is set to be doubled during motor start up (SGF3/ 8=1), the pickup value should be set below the start-up current of the motor, i.e to 75...90% x the start-up current of the motor: 50P = 0.75 x 6.2 ≈...

  • Page 141: Protecting A Contactor Controlled Motor

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 6.4. Protecting a contactor controlled motor Data of the squirrel cage motor stated by the manufacturer: Rated power, P 900 kW Rated voltage, U 380 V...

  • Page 142: Protecting Non-Rotating Objects

    Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version As one motor start-up uses 9 s/20 s ≈ 45% of the thermal capacity of the motor, the restart disable level, 49 REDIS, should be set to below 55 per cent, e.g. to 50 per cent.

  • Page 143: Ground-Fault Protection In A Solidly Grounded Network

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version 6.7. Ground-fault protection in a solidly grounded network Data of the motor stated by the manufacturer: Rated current, I 1650 A CT current ratio 2000/5 A (relay input = 5 A)

  • Page 145: Ordering Information

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Ordering information When ordering protection relays and/or accessories, specify the following: Order number HMI language set number Quantity The order number identifies the protection relay type and hardware as described in the figures below and is labelled on the marking strip under the lower handle of the relay.
  • Page 146 19” Rack mounting kit, two relays side-by-side 1MRS050695 19" Rack mounting kit, single relay 1MRS050694 19" Rack mounting kit, single relay and RTXP18 (REM 610) 1MRS090938 19" equipment frame mounting kit (Combiflex), single relay 1MRS090924 and RTXP18 (REM 610) 19" equipment frame mounting kit (Combiflex), single relay 1MRS050779...

  • Page 147: Check Lists

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Check lists Table 8.-1 Setting group 1 Variable Group/ Setting range Default Customer’s Channel 1 setting setting (R, W, P) Safe stall time 2...120 s Weighting factor 20...100%...
  • Page 148 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Variable Group/ Setting range Default Customer’s Channel 1 setting setting (R, W, P) Operate time RTD5A TDLY 1S30 1...100 s Trip value RTD5T 1S36 0...200°C 0°C...
  • Page 149 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Variable Group/ Setting range Default Customer’s Channel 2 setting setting (R, W, P) Start-up current for motor or 1.00…10.0 x FLA 1.00 x FLA start value of element 48/14 Start-up time for motor or 0.30...80.0 s...
  • Page 150 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Variable Group/ Setting range Default Customer’s Channel 2 setting setting (R, W, P) Trip value PTC2 2S45 0.1...15.0 kΩ 0.1 kΩ Checksum, SGF 1 2S61 0...255...
  • Page 151 1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Description Parameter Setting range Default Customer’s (channel 0) setting setting Sensor/thermistor selection V121 0 = not in use for input RTD1 1 = Pt100 -45... +150°C 2 = Pt250 -45...
  • Page 152 Motor Protection Relay REM 610 REM 610 1MRS755537 Technical Reference Manual - ANSI Version Description Parameter Setting range Default Customer’s (channel 0) setting setting Sensor/thermistor selection V124 0 = not in use for input RTD4 1 = Pt100 -45... +150°C 2 = Pt250 -45...
  • Page 153 800 Hz 400/480 Hz 50/60 Hz Station identification/unit 0...9999 number Name of the motor drive Max 16 characters - ABB - Analog channel conversion M80, M81, Factor 0...65535, 00001,CT factor and unit for I unit (A, kA), e.g. 10, Analog channel conversion Factor 0...65535,...

  • Page 155: Abbreviations

    1MRS755537 Motor Protection Relay REM 610 REM 610 Technical Reference Manual - ANSI Version Abbreviations Abbreviation Description ANSI American National Standards Institute ASCII American Standard Code for Information Interchange American wire gauge CBFAIL Circuit-breaker failure protection CBFP Circuit-breaker failure protection Change detect;...
  • Page 156 Root mean square Resistance temperature device Remote terminal unit Switchgroup for digital inputs Switchgroup for functions Switchgroup for LEDs Switchgroup for output contacts Signal output Second-pulse Data communication protocol developed by ABB Temperature coefficient of resistance Trip-circuit supervision User-defined register...
  • Page 158 ABB Oy Distribution Automation P.O. Box 699 FI-65101 Vaasa FINLAND +358 10 2211 +358 10 224 1080 www.abb.com/substationautomation...

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