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ABB REU 610 Technical Reference Manual

Voltage relay
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  • Page 1 Voltage Relay REU 610 Technical Reference Manual...

  • Page 3: Table Of Contents

    1MRS755769 Voltage Relay REU 610 Issued: 31.01.2006 Technical Reference Manual Version: B/30.11.2006 Contents Copyrights ................. 5 1. Introduction................. 7 1.1. This manual................7 1.2. Use of symbols..............7 1.3. Intended audience..............7 1.4. Product documentation............8 1.5.
  • Page 4 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 5.1.6. Trip lockout function..........49 5.1.7. Trip counters for circuit-breaker condition monitoring............50 5.1.8. Indicator LEDs and operation indication messages............50 5.1.9. Demand values........... 51 5.1.10.

  • Page 5: Copyrights

    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 7: Introduction

    Introduction 1.1. This manual This manual provides thorough information on the voltage relay REU 610 and its applications, focusing on giving a technical description of the relay. Refer to the Operator’s Manual for instructions on how to use the human-machine interface ( HMI) of the relay, also known as the man-machine interface ( MMI), and to the Installation Manual for installation of the relay.

  • Page 8: Product Documentation

    Certificate of verification 1MRS081662 Installation Manual 1MRS752265-MUM Operator’s Manual 1MRS755770 Table 1.4.-2 Other reference documentation for REU 610 Name Document ID Modicon Modbus Protocol Reference Guide, Rev. E PI-MBUS-300 1.5. Document conventions The following conventions are used for the presentation of material:...

  • Page 9: Document Revisions

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual 1.6. Document revisions Version Date History Revision 01.02.2006 Document created 30.11.2006 Content updated...

  • Page 11: Safety Information

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual 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. Only a competent electrician is allowed to carry out the electrical installation.

  • Page 13: Product Overview

    Product overview 3.1. Use of the relay The voltage relay REU 610 is a versatile multifunction protection relay mainly designed for overvoltage and undervoltage protection and for supervision of medium voltage distribution networks. The relay can also be used for protecting generators, motors and transformers.
  • Page 14 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Two galvanically isolated digital inputs and three additional galvanically isolated digital inputs on the optional I/O module Disturbance recorder: Recording time up to 80 seconds Triggering by one or several internal or digital input signals...

  • Page 15: Application

    Technical Reference Manual Application REU 610 is a versatile multifunction voltage relay which is used in general voltage supervision applications. It complements the range of feeder protection relay REF 610 and motor protection relay REM 610 in industrial outgoing feeder and motor feeder applications.
  • Page 16 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual A051474_2 Fig. 4.2.-1 Connection diagram...

  • Page 17: Technical Description

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual 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 number Overvoltage protection, low-set stage U> 59P-1 Overvoltage protection, high-set stage U>>...

  • Page 18: Outputs

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 5.1.1.3. Outputs The relay is provided with: Three power output contacts PO1, PO2 and PO3 Two signal output contacts SO1 and SO2 Three optional signal output contacts SO3, SO4 and SO5 Switchgroups SGR1...8 are used for routing internal signals from the protection stages and the external trip signal to the wanted signal or power output contact.

  • Page 19: Non-Volatile Memory

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual 5.1.1.6. 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 20: Time Synchronization

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual WARNING BATTERY LOW A040279 Fig. 5.1.1.7.-2 Warning with text message WARNING FAULT CODE: A040280 Fig. 5.1.1.7.-3 Warning with numeric code For fault codes, refer to 5.1.18. Self-supervision (IRF) system 5.1.1.8. Time synchronization Time synchronization of the relay’s real-time clock can be realized in two different...

  • Page 21: Measurements

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual If the synchronization pulse differs more than ±0.05 seconds for second-pulse or ±2 seconds for minute-pulse synchronization from the relay’s real-time clock, the synchronization pulse is rejected. Time synchronization is always triggered on the rising edge of the digital input signal.

  • Page 22: Configuration

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.2.-1 Measured values (Continued) indicator Description Ū 1_min The average voltage of the three phase-to- phase voltages during one minute Ū n_min The average voltage of the three phase-to- phase voltages during the specified time range Max Ū...
  • Page 23 1MRS755769 Voltage Relay REU 610 Technical Reference Manual A051475_2 Fig. 5.1.3.-1 Signal diagram...

  • Page 24: Protection

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 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. The functions of the switches are explained in detail in the corresponding SG_ tables.
  • Page 25 1MRS755769 Voltage Relay REU 610 Technical Reference Manual The selection between these modes is made either by using HMI or parameter S7, the default setting being conventional measurement. Stage U < (PPS) and U > (NPS) cannot be used at the same time.

  • Page 26: Undervoltage Protection

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual The settable drop-off/pick-up ratio enables the voltage protection to satisfactorily work with a voltage regulator, for instance, such as a tap changer. The tap changer step is often 1.67%, which is less than the drop-off/pick-up ratio of voltage relays.
  • Page 27 1MRS755769 Voltage Relay REU 610 Technical Reference Manual The selection between these modes is made either by using HMI or parameter S7, the default setting being conventional measurement. Stage U < (PPS) and U > (NPS) cannot be used at the same time.
  • Page 28 When the positive phase-sequence voltage value falls below the critical limit, the power plant has to be disconnected from the network. REU 610 measuring the positive phase-sequence voltage complements other methods used to disconnect smaller power plants. The application of these methods is based on frequency and voltage measurement.

  • Page 29: Residual Overvoltage Protection

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual When the calculated positive phase-sequence voltage value U falls below the set start value of the stage U <, the stage generates a start signal after a ~ 50 ms’ start time. When the set operate time at definite-time characteristic or the calculated operate time at IDMT characteristic elapses, the stage generates a trip signal.

  • Page 30: Circuit-Breaker Failure Protection

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual If stage U >> has started and the residual voltage falls below the set start value of the stage, the start of the stage remains active for 100 ms. If the residual voltage exceeds the set start value again while the timer is running, the timer is cleared and the start of the stage remains active.
  • Page 31 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.4.6.-1 Operation mode setting parameters Protection Parameter Setting stage U> 0 = definite time 1 = curve A 2 = curve B U>>/U > 0 = definite time 1 = curve A 2 = curve B U<...
  • Page 32 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Characteristic of the undervoltage stages The IDMT characteristic curve group C is designed for undervoltage stages U< and U<</U <. Stages U< and U<</U < can be configured to use different characteristics. The relationship between time and voltage at IDMT characteristic can be expressed as follows: ×...
  • Page 33 1MRS755769 Voltage Relay REU 610 Technical Reference Manual 1000 k>, k>> 0.05 0.01 U/U>, U/U>>, > A052084 Fig. 5.1.4.6.-1 Characteristics of type A...
  • Page 34 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 1000 k>, k>> 0.05 0.01 U/U>, U/U>>, > A052086 Fig. 5.1.4.6.-2 Characteristics of type B...
  • Page 35 1MRS755769 Voltage Relay REU 610 Technical Reference Manual 1000 k<, k<< 0.01 U/U<, U/U<<, < A052088 Fig. 5.1.4.6.-3 Characteristics of type C...

  • Page 36: Settings

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 5.1.4.7. Settings There are two alternative setting groups available, setting groups 1 and 2. Either of these setting groups can be used as the actual settings, one at a time. Both groups have their related registers.
  • Page 37 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.4.7.-1 Setting values (Continued) Setting Description Setting range Default setting < Resetting time of stage U< 0.07...60.0 s 0.07 D/P< Drop-off/pick-up ratio of stage U< 1.01…1.05 1.03 U<< Start value of stage U<<...
  • Page 38 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Switch Position Weighting Value number factor 1024 1024 2048 4096 4096 4096 8192 16384 16384 32768 65536 65536 131072 262144 262144 524288 1048576 1048576 2097152 4194304 4194304 checksum 5505024 A051892 Fig. 5.1.4.7.-1...
  • Page 39 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.4.7.-2 SGF1 Switch Function Default setting SGF1/1 Selection of the latching feature for PO1 SGF1/2 Selection of the latching feature for PO2 SGF1/3 Selection of the latching feature for PO3 When the switch is in position 0 and the measuring signal which caused the trip falls below the set start value, the output contact returns to its initial state.
  • Page 40 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.4.7.-3 SGF2 (Continued) Switch Function Default setting SGF2/11 Operation mode of the start indication of stage U >> SGF2/12 Operation mode of the trip indication of stage U >> 0 = the trip indication is automatically cleared after the fault has disappeared.
  • Page 41 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.4.7.-5 SGF4 (Continued) Switch Function Default setting SGF4/7 Start and trip criteria for stage U< 0 = stage operates when one of the phase-to-phase voltages falls below the set start value.
  • Page 42 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.4.7.-7 SGB1...SGB5 Switch Function Default setting SGB1...5/1 0 = indications are not cleared by the digital input signal 1 = indications are cleared by the digital input signal SGB1...5/2 0 = indications are not cleared and latched output contacts are not unlatched by the digital...
  • Page 43 1MRS755769 Voltage Relay REU 610 Technical Reference Manual The trip lockout signal is always routed to PO3. The trip signal from CBFP is always routed to PO2. The external fault warning is always routed to SO2. Optional I/O card Weighting...
  • Page 44 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.4.7.-8 SGR1...SGR8 Switch Function Default setting SGR1...SGR3 SGR4...SGR5 SGR6...SGR8 SGR1...8/1 Start signal from stage U> SGR1...8/2 Trip signal from stage U> SGR1...8/3 Start signal from stage U>> or U > SGR1...8/4 Trip signal from stage U>>...
  • Page 45 1MRS755769 Voltage Relay REU 610 Technical Reference Manual New trip indication timer The new trip indication timer can be configured to allow a second trip indication on the LCD. When several protection stages trip, the first trip indication is displayed until the time, as specified by the NEW TRIP IND.

  • Page 46: Technical Data On Protection Functions

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 5.1.4.8. Technical data on protection functions Table 5.1.4.8.-1 Overvoltage protection, stages U>, U>> and U > Feature Stage U> Stage U>> Stage U > Set start value U>, U>> and U >: -at definite-time characteristic 0.60...1.40 ×...

  • Page 47: Trip-Circuit Supervision

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.4.8.-2 Undervoltage protection, stages U<, U<< and U1< (Continued) Feature Stage U< Stage U<< Stage U < Retardation time, typical 30 ms 30 ms 50 ms Set resetting time, t <...

  • Page 48: Technical Reference Manual

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual The trip-circuit supervision is based on a constant current injection principle: by applying operating voltage for the circuit breaker, a constant current is forced to flow through the external trip circuit. If the resistance of the trip circuit exceeds a...

  • Page 49: Trip Lockout Function

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual Trip-circuit supervision can be selected either via the HMI or with SPA parameter V113. X4.1 R ext SGF1/8 TRIP-CIRCUIT SUPERVISION TCS STATE WARNING A040329_2 Fig. 5.1.5.-1 Connecting the trip-circuit supervision using two external contacts and the external resistor in the trip circuit 5.1.6.

  • Page 50: Trip Counters For Circuit-Breaker Condition Monitoring

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual In case of loss of auxiliary power when the trip lockout function is in use, the contacts of PO3 return to the same state as before the loss, provided that the battery has been inserted and is charged.

  • Page 51: Demand Values

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual The priority order of the operation indication messages: 1. CBFP 2. Trip 3. Start/Alarm 5.1.9. Demand values The relay provides three different kinds of demand values. The first value shows the average voltage of all three phase-to-phase voltages measured during one minute.

  • Page 52: Disturbance Recorder

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 5.1.11. Disturbance recorder 5.1.11.1. Function The relay features an integrated disturbance recorder which continuously captures the curve forms of the voltages as well as the status of both internal signals and the external digital input signals and stores these in the memory.

  • Page 53: Control And Indication Of Disturbance Recorder Status

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual Cycles Nominal frequency [Hz] Changing the setting values of parameters M15, V238 and V243 is allowed only when the recorder is not triggered. The post-triggering recording length defines the time during which the recorder continues to store data after it has been triggered.

  • Page 54: Settings And Unloading

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual The trigger signal(s) and the edge are selected with SPA parameters V236...V237 and V241...V242; see Table 5.1.17.-5 and Table 5.1.17.-6. The recorder can also be triggered manually with SPA parameter M1. Triggering of the disturbance recorder is only possible if the recorder is not already triggered.

  • Page 55: Communication Ports

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.12.-1 Recorded data REGISTER Data description EVENT1 Phase-to-phase voltage U measured at a time of trip as a multiple of the rated voltage, U . The same applies to phase-to-phase voltages U...
  • Page 56 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual and glass) or RS-485 connection. The relay is connected to an automation system via the rear connection. The optional rear communication module allows the use of either the SPA bus, IEC 60870-5-103 or Modbus communication protocol.

  • Page 57: Iec 60870-5-103 Remote Communication Protocol

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual The relay has a counter which can be accessed via CONFIGURATION \COMMUNICATION in the HMI menu. The counter value is set to zero when the relay receives a valid message. 5.1.14. IEC 60870-5-103 remote communication protocol The relay supports the IEC 60870-5-103 remote communication protocol in the unbalanced transmission mode.
  • Page 58 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual measurand multiplied by the normalize factor is proportional to the rated value. Therefore, the maximum value of each measurand is the normalize factor multiplied by the rated value. Table 5.1.14.-1 Information mapping of configuration set 1 and 2...
  • Page 59 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.14.-1 Information mapping of configuration set 1 and 2 (Continued) Event reason PO2 Activated/Reset 2E3/ PO3 Activated/Reset 2E5/ SO1 Activated/Reset 2E7/ SO2 Activated/Reset 2E9/ 2E10 SO3 Activated/Reset 2E11/ 2E12 SO4 Activated/Reset...

  • Page 60: Modbus Remote Communication Protocol

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 5.1.15. Modbus remote communication protocol The master/slave protocol Modbus was first introduced by Modicon Inc. and is widely accepted as a communication standard for industrial device controllers and PLCs. For the protocol definition, refer to Section 1.4. Product documentation.

  • Page 61: 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 REU 610 supports the following functions: Table 5.1.15.1.-1 Supported application functions...
  • Page 62 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.15.1.-2 Supported diagnostic subfunctions (Continued) Code Name Description Return bus The number of CRC errors encountered by the slave communication error since its last restart, clear counters operation or power count up is returned in the response.
  • Page 63 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.15.1.-3 Diagnostic counters (Continued) Name Description Slave no response count The number of messages addressed to the slave for which a response (neither a normal response nor an exception response) has not been sent since its last restart, clear counters operation or power up.
  • Page 64 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual The UDRs are mirrored in HR385…400. Fault records The data recorded during a fault sequence is called a fault record ( FR). The slave stores the five latest fault records. When a sixth record is stored, the oldest record is deleted.
  • Page 65 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Event records Modbus events are derived from SPA events. With a few exceptions, SPA events update binary points in the DI and the packed HR area. Simultaneously, a corresponding Modbus event record is generated. The event record contains the Modbus DI/CO data point address and the value to which the point has changed (0 or 1).
  • Page 66 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual With selection code -1...-99, the master can move backwards from the newest event as many events as defined by the selection code and read that specific event record. After this, the master can continue reading the following records using selection code 1, irrespective of whether they have been read before.
  • Page 67 1MRS755769 Voltage Relay REU 610 Technical Reference Manual only) area and digital indication values from either the DI or coil (read-only) area. It is also possible to read the status of the DIs as packed 16-bit registers from both the IR and the HR area.
  • Page 68 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.15.1.-7 Mapping of Modbus data: analog data Description HR/IR address DI/Coil bit Writeable Value range Comment (.bit) address Phase-to-phase voltage U 0... 200 0...2 × U Phase-to-phase voltage U 0... 200 0...2 ×...
  • Page 69 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.15.1.-8 Mapping of Modbus data: digital data (Continued) Description HR/IR address (.bit) DI/Coil bit Writeable Value Comment address range PO2 contact CD 412.01 PO3 contact 412.02 1 = activated PO3 contact CD 412.03...
  • Page 70 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.15.1.-9 Mapping of Modbus data: recorded data Description HR/IR address DI/Coil bit Writeable Value range Comment (.bit) address Fault record 601...623 See Structure 2 Event record 671...679 See Structure 3 Table 5.1.15.1.-10Mapping of Modbus data: relay identification...
  • Page 71 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Reserved IRF code Warning code Reserved FR ER SP MP A040333 Fig. 5.1.15.1.-2 Status registers When the value of the FR/ ER bit is 1, there is one or several unread fault/event records.
  • Page 72 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.15.1.-14 Fault record (Continued) Address Signal name Range Comment Start duration of stage U > 0...100 0...100% Start duration of stage U >> 0...100 0...100% Start duration of external trip 0/100 0/100% Readable and writeable register.

  • Page 73: Dnp 3.0 Remote Communication Protocol

    All DNP parameters are stored on the external DNP 3.0 module. After parameterization with Relay Setting Tool, REU 610 must be switched to the rear communication mode for at least 10 seconds in order for the DNP parameters to be replicated and stored onto the DNP module.
  • Page 74 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Binary inputs change events: class 1 Analogue inputs change events: class 2 Counter change events: class 3 All static data points belong to class 0. Unsolicited reporting is enabled for all event objects as default. However, the point- specific enable/disable parameters are meaningless unless unsolicited reporting has been enabled with SPA parameter 503V24.
  • Page 75 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.16.2.-1 Binary data (Continued) Description DNP point Event class UR enable Value range Comment address 1 = activated 1 = activated 1 = activated 1 = activated 1 = activated 1 = activated...

  • Page 76: Dnp 3.0 Device Profile

    Voltage Relay 1MRS755769 Technical Reference Manual 5.1.16.3. DNP 3.0 device profile DNP V3.00 DEVICE PROFILE DOCUMENT Vendor Name: ABB Oy, Distribution Automation, Vaasa, Finland Device Name: REU 610 Highest DNP Level Supported Device Function For Requests Slave For Responses Notable objects, functions, and/or qualifiers supported in addition to the Highest DNP Levels...
  • Page 77 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Never Never Binary Input Change With Time Only time-tagged Only non-time-tagged Binary Input Change With Relative Time Configurable to send both, one or the other Configurable, depends on objects basic (depends on default variation)
  • Page 78 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.16.3.-1 Supported function codes (Continued) Code Function Description Supported Freeze and Clear Copy specified objects to freeze buffer and clear objects Respond with status of operation Freeze and Clear NO ACK...
  • Page 79 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.16.3.-2 Supported objects (Continued) OBJECT REQUEST RESPONSE (slave must parse) (master must parse) Object Variation Description Function codes Qualifier codes Function Qualifier codes group (dec) (hex) codes (dec) (hex) Binary Input with Status...
  • Page 80 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.16.3.-2 Supported objects (Continued) OBJECT REQUEST RESPONSE (slave must parse) (master must parse) Object Variation Description Function codes Qualifier codes Function Qualifier codes group (dec) (hex) codes (dec) (hex) 32-Bit Frozen Delta Counter...
  • Page 81 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.16.3.-2 Supported objects (Continued) OBJECT REQUEST RESPONSE (slave must parse) (master must parse) Object Variation Description Function codes Qualifier codes Function Qualifier codes group (dec) (hex) codes (dec) (hex) 32-Bit Analogue Input without Flag 1, 20, 21, 22...

  • Page 82: Specific Dnp Features

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.16.3.-2 Supported objects (Continued) OBJECT REQUEST RESPONSE (slave must parse) (master must parse) Object Variation Description Function codes Qualifier codes Function Qualifier codes group (dec) (hex) codes (dec) (hex) Time and Date...
  • Page 83 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Depending on the pulse type, either the date-to-minute or the date-to-second information of the DNP time synchronization message is used. The relay sends only one request for time synchronization to the DNP master, which is at power up.
  • Page 84 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Event buffer overflow DNP 3.0 event buffer overflow is indicated with the internal indication IIN2.3, as defined by the standard. IIN2.3 can also indicate event buffer overflow in the internal communication between the DNP3.0 module and the main CPU module of the relay.

  • Page 85: Spa Bus Communication Protocol Parameters

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual Scaling DNP analog values The DNP analog values can be scaled using either an internal (fixed) or a user- defined scaling factor. If the scaling factor index for a certain analog value is set to 0, the internal scaling factor is used.
  • Page 86 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual R = readable data W = writeable data P = password protected writeable data Settings Table 5.1.17.-1 Settings Variable Actual settings (R), Group/Channel 1 Group/Channel 2 Setting range channel 0 (R, W, P) (R, W, P) Start value of stage U>...
  • Page 87 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.17.-1 Settings (Continued) Variable Actual settings (R), Group/Channel 1 Group/Channel 2 Setting range channel 0 (R, W, P) (R, W, P) Checksum, SGF 4 1S64 2S64 0…1023 Checksum, SGF 5 1S65 2S65 0…255...
  • Page 88 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.17.-2 Recorded data: Channel 0 Recorded data Parameter (R) Value stage /phase which caused 1 = U> (U the trip 2 = U> (U 4 = U> (U 8 = U >...
  • Page 89 1MRS755769 Voltage Relay REU 610 Technical Reference Manual The last five recorded values can be read with parameters V1... V18 on channels 1...5. Event n denotes the last recorded value, n-1 the next one, and so forth. Table 5.1.17.-3 Recorded data: Channels 1...5...
  • Page 90 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Disturbance recorder Table 5.1.17.-4 Parameters for the disturbance recorder Description Parameter (channel 0) R, W Value Remote triggering Clear recorder memory Sampling rate R, W 800/960 Hz 400/480 Hz 50/60 Hz Station identification/unit number R, W 0...9999...
  • Page 91 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.17.-5 Disturbance recorder internal triggering and storing Event Weighting Default value of Default value Default value of factor triggering of triggering storing mask, mask, V236 edge, V237 V238 Start of stage U>...
  • Page 92 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Control parameters Table 5.1.17.-7 Control parameters Description Parameter R, W, P Value Reading of the event buffer Time, channel number and event code Re-reading of the event buffer Time, channel number and event code...
  • Page 93 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.17.-7 Control parameters (Continued) Description Parameter R, W, P Value Event mask for 1E25…1E30 1V157 R, W 0...63 Event mask for 2E1...2E16 2V155 R, W 0...65535 Event mask for 2E17...2E26 2V156 R, W 0...1023...
  • Page 94 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table footnotes from previous page If the optional DNP 3.0 module has been installed, the DNP 3.0 communication protocol is automatically selected. If the optional communication module is not installed, a warning of a faulty communication module appears on the LCD together with the fault code.
  • Page 95 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.17.-9 Output signals (Continued) Status of the Channel State of stage Recorded Value protection functions (R) stages Trip of stage U<< or U < Start of stage > Trip of stage U >...
  • Page 96 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Parameters for IEC 60870-5-103 remote communication protocol Table 5.1.17.-11 Settings Description Parameter R, W, P Value (channel 507) Unit address of the relay 507V200 R, W 1...254 Data transfer rate (IEC 60870-5-...
  • Page 97 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Parameters for DNP 3.0 remote communication protocol Table 5.1.17.-13 Settings Description R, W Value range Default Explanation parameter (channel 503) Unit address 503V1 R, W 0...65532 Address of the relay in the DNP 3.0...
  • Page 98 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.17.-13 Settings (Continued) Description R, W Value range Default Explanation parameter (channel 503) Scaling factor 1 503V101 R, W 0... 4294967295 Scaling factor 2 503V102 R, W 0... 4294967295 Scaling factor 3...

  • Page 99: Event Codes

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual 5.1.17.1. Event codes Special codes are determined to represent certain events, such as start and tripping of protection stages and different states of output signals. The events are stored in the event buffer of the relay. The maximum capacity of the buffer is 100 events.
  • Page 100 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.17.1.-4 Event codes E31...E34 Channel Event Description Weighting Default factor value Disturbance recorder triggered Disturbance recorder memory cleared HMI Setting password opened HMI Setting password closed HMI Communication password opened HMI Communication password closed...
  • Page 101 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.17.1.-7 Event codes E25...E30 Channel Event Description Weighting Default factor value Trip lockout activated Trip lockout reset External trip activated External trip reset CBFP activated CBFP reset Default value of event mask 1V157 Channel 2 Table 5.1.17.1.-8 Event codes E1...

  • Page 102: Self-Supervision (Irf) System

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.17.1.-9 Event codes E17...E26 (Continued) Channel Event Description Weighting Default factor value DI5 activated DI5 deactivated Default value of event mask 2V156 5.1.18. Self-supervision (IRF) system The relay is provided with an extensive self-supervision system which continuously supervises the software and the electronics of the relay.
  • Page 103 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.1.18.-1 IRF codes (Continued) Fault code Type of fault Error in optional output relay SO5 Error in the enable signal for optional output relay SO3, SO4 or SO5 17, 18, 19...

  • Page 104: Relay Parameterization

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.1.18.-2 Warning codes (Continued) Fault Weight value DNP 3.0 configuration error DNP 3.0 module faulty ∑ The external fault warning can be routed to SO2 with SGF1/8. Can be corrected by restoring factory settings for DNP For further information on warnings, refer to the Operator’s Manual.
  • Page 105 1MRS755769 Voltage Relay REU 610 Technical Reference Manual The relay can also be used in single or two-phase applications by leaving one or two energizing inputs unoccupied. However, at least terminals X2.1/1-2 must be connected. The energizing residual voltage of the relay is connected to terminals X2.1/7-8, see Table 5.2.1.-1.
  • Page 106 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual The IRF contact functions as an output contact for the self-supervision system of the voltage relay, see Table 5.2.1.-3. Under normal operating conditions, the relay is energized and the contact is closed (X4.1/3-5). When a fault is detected by the self- supervision system or the auxiliary voltage is disconnected, the output contact drops off and the contact closes (X4.1/3-4).
  • Page 107 1MRS755769 Voltage Relay REU 610 Technical Reference Manual X2.1 X3.1 X4.1 X5.5 A040187 Fig. 5.2.1.-2 Rear view of the relay with the RS-485 communication module...
  • Page 108 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual X2.1 X3.1 X4.1 X5.8 A040189 Fig. 5.2.1.-3 Rear view of the relay with the DNP 3.0 communication module for RS-485 Table 5.2.1.-1 Inputs for phase-to-phase voltages and residual voltage Terminal Function REU610AVVxxxx X2.1-1...
  • Page 109 1MRS755769 Voltage Relay REU 610 Technical Reference Manual The wiring of U and U has to be done identically for each of the matching transformer used. Table 5.2.1.-2 Auxiliary supply voltage Terminal Function X4.1-1 Input, + X4.1-2 Input, - Table 5.2.1.-3...

  • Page 110: Serial Communication Connections

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 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. 5.2.2. Serial communication connections The optical front connection of the relay is used to connect the relay to the SPA bus via the front communication cable, refer to Section 6.
  • Page 111 1MRS755769 Voltage Relay REU 610 Technical Reference Manual The maximum number of devices (nodes) connected to the bus where the relay is being used is 32, and the maximum length of the bus is 1200 meters. When connecting the relay to the bus, a quality twisted pair shielded cable is to be used.
  • Page 112 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual A040334 Fig. 5.2.2.-1 Jumper location on the RS-485 communication module Table 5.2.2.-2 RS-485 rear connector Terminal Function X5.5-6 Data A (+) X5.5-5 Data B (-) X5.5-4 Signal GND (for potential balancing) X5.5-3 X5.5-2...
  • Page 113 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.2.2.-3 Transmitter selection Transmitter Position of jumper X6 Plastic X5.3-TX Glass X5.4-TX Table 5.2.2.-4 Receiver selection Transmitter Position of jumper X2 Plastic X5.3-RX Glass X5.4-RX X5.3-TX(plastic) X5.3-RX(plastic) Fibre-optic Interface X5.3 X5.4 X5.3...
  • Page 114 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual The DNP communication module follows the DNP standard and is intended to be used in a daisy-chain bus wiring scheme with 2- or 4-wire, half-duplex, multi-point communication. The maximum number of devices (nodes) connected to the bus where...
  • Page 115 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.2.2.-6 RS-485 rear connector (DNP 3.0) Terminal Function X5.8-8 Data A (+ RX) X5.8-7 Data B (- RX) X5.8-6 Data A (+ TX) X5.8-5 Data B (- TX) X5.8-4 Signal GND (for potential balancing) X5.8-3...

  • Page 116: Technical Data

    REU 610 Voltage Relay 1MRS755769 Technical Reference Manual 5.2.3. Technical data Table 5.2.3.-1 Dimensions (for dimension drawings, refer to the Installation Manual) Width, frame 177 mm, case 164 mm Height, frame 177 mm (4U), case 160 mm Depth, case 149.3 mm Weight of the relay ~3.5 kg...
  • Page 117 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 5.2.3.-5 Digital inputs Operating range ±20% of the rated voltage Rated voltage: DI1...DI2 DI3...DI5 (optional) REU610CVVHxxx 110/125/220/250 V DC REU610CVVLxxx 24/48/60/110/125/ 220/250 V DC REU610CVVxxLx 24/48/60/110/125/ 220/250 V DC REU610CVVxxHx 110/125/220/250 V DC Current drain 2...18 mA...
  • Page 118 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 5.2.3.-9 Enclosure class of the flush-mounted relay Front side IP 54 Rear side, top of the relay IP 40 Rear side, connection terminals IP 20 Table 5.2.3.-10 Environmental tests and conditions Recommended service temperature range (continuous) -10...+55°C...
  • Page 119 1MRS755769 Voltage Relay REU 610 Technical Reference Manual 60%/100 ms 60%/1000 ms >95%/5000 ms Electromagnetic emission tests According to the EN 55011 Conducted, RF-emission (Mains terminal) EN 55011, class A, IEC 60255-25 Radiated RF-emission EN 55011, class A, IEC 60255-25...
  • Page 120 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Optional communication modules and protocols SPA-bus, IEC 60870-5-103, Modbus® (RTU and ASCII): Plastic fibre Plastic and Glass fibre RS485 DNP 3.0: RS485 including DNP 3.0 protocol Auxiliary voltage The relay requires a secured auxiliary voltage supply to operate. The internal power supply of the relay forms the voltages required by the relay electronics.

  • Page 121: Ordering Information

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual Ordering information When ordering voltage relays and/or accessories, specify the following: Order number HMI language set number Quantity The order number identifies the voltage 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 122 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual REU610CVVHSNS 01 Language set: 01 = (IEC) English, Svenska, Suomi 02 = (IEC) English, Deutsch, Francais, Italiano, Español, Polski 11 = (ANSI) English, Español, Portugese I/O extension module: H = 3xSO and 3xDI (110/125/220/250 V DC)
  • Page 123 1MRS755769 Voltage Relay REU 610 Technical Reference Manual...

  • Page 125: Check Lists

    1MRS755769 Voltage Relay REU 610 Technical Reference Manual Check lists Table 7.-1 Setting group 1 Variable Group/ Setting range Default Customer's Channel 1 setting setting (R, P) Start value of stage U> 0.6…1.4 × U 1.2 × U Operate time of stage U>...
  • Page 126 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 7.-1 Setting group 1 (Continued) Variable Group/ Setting range Default Customer's Channel 1 setting setting (R, P) Checksum, SGB3 1S73 0…32767 Checksum, SGB4 1S74 0…32767 Checksum, SGB5 1S75 0…32767 Checksum, SGR1 1S81 0…8191...
  • Page 127 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 7.-2 Setting group 2 (Continued) Variable Group/ Setting range Default Customer's Channel 2 setting setting (R, P) Resetting time of stage U< 2S17 0.07...60.0 s 0.07 s Drop-off/pick-up ratio D/P< 2S18 1.01…1.05...
  • Page 128 REU 610 Voltage Relay 1MRS755769 Technical Reference Manual Table 7.-3 Control parameters Variable Parameter Setting range Default Customer's (channel 0) setting setting Network frequency V104 50 or 60 Hz 50 Hz Trip-circuit supervision V113 Nominal voltage V134 0 = 100 V...
  • Page 129 1MRS755769 Voltage Relay REU 610 Technical Reference Manual Table 7.-4 Disturbance recorder parameters (Continued) Variable Parameter Setting range Default Customer's (channel 0) setting setting External trigger signal's V241 0...31 checksum External trigger signal’s edge V242 0...31 Checksum of external signal V243 0...31...

  • Page 131: Abbreviations

    Human-machine interface IDMT Inverse definite minimum time characteristic Internal relay fault Liquid crystal display Light-emitting diode Most significant bit Personal computer Programmable logical controller Remote terminal unit Switchgroup for digital inputs Data communication protocol developed by ABB Trip-circuit supervision Voltage transformer...
  • Page 134 ABB Oy Distribution Automation P.O. Box 699 FI-65101 Vaasa FINLAND +358 10 2211 +358 10 224 1094 www.abb.com/substationautomation...

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