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57

Switch

Function

Default setting

SGL1

SGL2

SGL3...8

SGL1...8/13

DI2 signal

0

0

0

SGL1...8/14

DI3 signal

0

0

0

SGL1...8/15

DI4 signal

0

0

0

SGL1...8/16

DI5 signal

0

0

0

SGL1...8/17

Alarm signal from element 49/38-1

0

0

0

SGL1...8/18

Trip signal from element 49/38-1

0

0

0

SGL1...8/19

Alarm signal from element 49/38-2

0

0

0

SGL1...8/20

Trip signal from element 49/38-2

0

0

0

SGL1...8/21

Trip signal from CBFAIL

0

0

0

SGL1...8/22

Disturbance recorder triggered

0

0

0

Σ

SGL1...8

4

8

0

New trip target timer

The new trip target timer can be configured to allow a second trip target on the
LCD. When several protection elements trip, the first trip target will be displayed
until the time, as specified by the

NEW TRIP IND.

setting value, has expired. After

this, a new trip target can displace the old one. The basic protection functions are not
affected by the

NEW TRIP IND.

setting.

Table 5.1.4.12.-10

New trip target timer

Setting

Description

Setting range

Default setting

New trip target

New trip target timer in minutes

0...998

60

No new trip target allowed until the previous one
has been manually cleared

999

Non-volatile memory settings

The table below presents data which can be configured to be stored in the non-
volatile memory. All of the functions mentioned below can be selected separately
with switches 1...6 either via the HMI or the SPA bus.

Motor Protection Relay

Technical Reference Manual - ANSI Version

REM 610

REM 610

1MRS755537

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Summary of Contents for REM 610

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

Page 2: ......

Page 3: ...mergency start 20 5 1 1 5 Restart disable 20 5 1 1 6 Motor start up 21 5 1 1 7 Rated current of the protected unit 21 5 1 1 8 Disturbance recorder 22 5 1 1 9 Front panel 22 5 1 1 10 Non volatile memory 23 5 1 1 11 Self supervision 23 5 1 1 12 Time synchronization 24 5 1 2 Measurements 25 5 1 3 Configuration 26 5 1 4 Protection 29 5 1 4 1 Block diagram 29 5 1 4 2 Thermal overload protection 30 5 1 ...

Page 4: ...ded data of the last events 68 5 1 12 Communication ports 70 5 1 13 IEC 60870 5 103 remote communication protocol 71 5 1 14 Modbus remote communication protocol 74 5 1 14 1 Profile of Modbus 75 5 1 15 SPA bus communication protocol parameters 89 5 1 15 1 Event codes 103 5 1 16 Self supervision IRF system 107 5 1 16 1 Self supervision of the RTD module 109 5 1 17 Relay parameterization 109 5 2 Desi...

Page 5: ...ith two phase current transformers 136 6 1 7 Ground fault protection 137 6 1 7 1 Stabilizing virtual ground fault currents 138 6 1 7 2 Increasing the sensitivity of the ground fault protection 138 6 1 8 Circuit breaker failure protection 138 6 1 9 Temperature protection optional 138 6 2 Protecting a circuit breaker controlled motor 138 6 3 Protecting a motor at an ambient temperature other than 40...

Page 6: ...6 ...

Page 7: ...of 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 The software or hardware described in this document is furnished under a license and may be used copied or disclosed only in accordance with the terms of such license Copyright 2007 ABB All rights reserved Trademarks ABB is ...

Page 8: ...8 ...

Page 9: ...trical warning icon indicates the presence of a hazard which could result in electrical shock The warning icon indicates the presence of a hazard which could result in personal injury The caution icon indicates important information or warning related to the concept discussed in the text It might indicate the presence of a hazard which could result in corruption of software or damage to equipment ...

Page 10: ...anual 1MRS752263 MUM Operator s Manual 1MRS752264 MUM 1 5 Document conventions 1 6 Document revisions Version IED Revision Date History A B 25 11 2003 Document created Modified for ANSI compliance from the IEC version B B C 01 10 2007 Content updated according to the IEC version D C C 12 12 2007 Added information related to ordering parts and accessories 10 REM 610 REM 610 Motor Protection Relay T...

Page 11: ...be carefully grounded When the plug in unit has been detached from the case do not touch the inside of the case The relay case internals may contain high voltage potential and touching these may cause personal injury The device contains components which are sensitive to electrostatic discharge Unnecessary touching of electronic components must therefore be avoided Breaking the sealing tape on the ...

Page 12: ...12 ...

Page 13: ...h blocking ability Three phase short circuit protection with instantaneous or definite time characteristic Three phase undercurrent loss of load protection with definite time characteristi Non directional ground fault protection with definite time characteristic Three phase thermal overload protection Three phase unbalance protection based on the negative phase sequence current with inverse defini...

Page 14: ... messages and LEDs showing the status at the moment of power failure HMI with an alphanumeric LCD and navigation buttons Eight programmable LEDs Multi language support User selectable password protection for the HMI Display of primary current values Demand values All settings can be modified with a PC Optical front communication connection wirelessly or via cable Optional rear communication module...

Page 15: ...fied conditions see Table 4 1 1 and Section 5 2 3 Technical data When being used for real time clock or recorded data functions the battery should be changed every five years Table 4 1 1 Environmental conditions Recommended temperature range continuous 10 55 C Limit temperature range short term 40 70 C Temperature influence on the operation accuracy of the protection relay within the specified ser...

Page 16: ... 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 8 9 10 11 12 13 8 9 10 11 12 13 8 9 10 11 12 13 8 9 10 11 12 13 8 9 10 11 12 13 1 2 3 4 5 6 7 14 1 2 3 4 5 6 7 14 1 2 3 4 5 6 7 14 1 2 3 4 5 6 7 14 1 2 3 4 5 6 7 14 ...

Page 17: ...lt 8 9 10 11 12 13 1 2 3 4 5 6 7 14 8 9 10 11 12 13 1 2 3 4 5 6 7 14 8 9 10 11 12 13 1 2 3 4 5 6 7 14 8 9 10 11 12 13 1 2 3 4 5 6 7 14 8 9 10 11 12 13 1 2 3 4 5 6 7 14 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 ...

Page 18: ... default 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 1 2 3 5 6 7 8 9 10 11 12 13 14 16 17 18 19 15 4 8 9 10 11 12 13 1 2 3 4 5 6 7 14 1 2 3 4 5 6 7 14 1 2 3 4 5 6 7 14 1 2 3 4 5 6 7 14 1 2 3 4 5 6 7 14 8 9 10 11 12 13 8 9 10 11 12 13 8 9 10 11 12 13 8 ...

Page 19: ... I2 46 Phase reversal protection REV 46R Definite time undercurrent loss of load protection I 37 Instantaneous or definite time ground fault protection I0 50N 51N Cumulative start up time counter and restart disable function tsi 66 Circuit breaker failure protection CBFP 62BF Temperature protection using RTD sensors or thermistors ThA ThB 49 38 Lockout relay 86 For protection function descriptions...

Page 20: ...e start up time counter will be set slightly below the set restart disable value to allow at least one motor start up the set trip values of temperature elements 49 38 1 and 49 38 2 will be increased by 10 per cent the external restart disable signal will be ignored The set trip values of elements 49 38 1 and 49 38 2 will be increased by ten per cent and the external restart disable signal ignored...

Page 21: ... 7 Rated current of the protected unit A scaling factor PU scale can be set for the phase currents This will allow differences between the rated current of the protected unit and that of the energizing input Consequently the rated current of the relay can be set to equal the full load current FLA of the motor A scaling factor In can be set for the phase currents This will allow differences between...

Page 22: ...push button section with four arrow buttons and buttons for clear cancel and enter used in navigating in the menu structure and in adjusting setting values Optically isolated serial communication port with a target LED There are two levels of HMI passwords main HMI setting password for all settings and HMI communication password for communication settings only The HMI passwords can be set to prote...

Page 23: ...warnings When the self supervision system detects a permanent internal relay fault which prevents relay operation the green target LED ready will flash At the same time the IRF contact also referred to as the IRF relay which is normally picked up drops off and a fault code appears on the LCD The fault code is numerical and identifies the fault type INTERNAL FAULT FAULT CODE 30 A040278 Fig 5 1 1 11...

Page 24: ...ends on the time range within which the pulse occurs The time must be set once either via serial communication or manually via the HMI When the time is set via serial communication and minute pulse synchronization is used only year month day hour minute is written to the relay s real time clock and when second pulse synchronization is used only year month day hour minute second is written The rela...

Page 25: ...nts The table below presents the measured values which can be accessed through the HMI Table 5 1 2 1 Measured values Target Description la Current measured on phase la lb Current measured on phase lb lc Current measured on phase lc In Measured ground fault current I2 Calculated NPS current TH LEVEL Thermal level Start time Start up time of the latest motor start up 66 value Cumulative start up tim...

Page 26: ... RTD6 Temperature from RTD6a PTC1 Thermistor1 resistance valuea PTC2 Thermistor2 resistance valuea a Optional 5 1 3 Configuration The Fig 5 1 3 1 illustrates how the internal and digital input signals can be configured to obtain the required protection functionality 26 REM 610 REM 610 Motor Protection Relay Technical Reference Manual ANSI Version 1MRS755537 ...

Page 27: ...TD3 RTD1 PTC1 RTD5 RTD6 Self supervision IRF Warning Restart disabled ALARM TRIP 49 Emergency start 48 14 PICKUP 2 48 14 TDLY 48 14 Speed switch blocking PICKUP TRIP 50P Blocking PICKUP TRIP 37 51N 46 66 46R 49 38 1 Emergency Start 49 38 2 Restart Disabled ALARM TRIP RESTART DISABLE Restart disabled signal from 49 Restart disabled signal from 66 TRIP External restart disabled External trip Externa...

Page 28: ... 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 28 REM 610 REM 610 Motor Protection Relay Technical Reference Manual ANSI Version 1MRS755537 ...

Page 29: ... ST AMB TEMP RTD ERST 49 38 1 ALARM 49 38 1 TRIP 49 38 2 TRIP ERST 49 38 2 ALARM 49 38 2 TRIP 49 38 1 TRIP TRIP FAIL Thermistor Th RESTART DISABLE 48 14 PICKUP 48 14 TDLY 48 14 PICKUP 48 14 PICKUP 48 14 TDLY 48 14 TRIP 50P PICKUP 50P TRIP 37 PICKUP 37 TRIP 51N PICKUP 51N TRIP 46 PICKUP 46 TRIP 46R TRIP EXT TRIP 49 38 1 ALARM 48 14 PICKUP 2 48 14 TDLY 48 14 50P TRIP 51N TRIP 46 TRIP 46R TRIP 48 14 ...

Page 30: ... monitoring the thermal condition of the motor Weighting factor p determines the ratio of the thermal increase of the two curves For direct on line started motors with hot spot tendencies the weighting factor is typically set to 50 per cent When protecting objects without hot spot tendencies e g motors started with soft starters and cables the weighting factor is set to 100 per cent When one or se...

Page 31: ...vel will be set to approximately 70 per cent of the thermal capacity of the motor This will ensure that the element will trip within a safe time span Under a low load condition the calculated thermal level will slowly approach the thermal level of the motor At a low prior alarm level connecting the auxiliary supply to the relay will cause a thermal alarm due to the initialization of the thermal le...

Page 32: ... 40 300 400 2000 3000 4000 t6x s 120 60 30 20 15 10 5 2 5 1 05 1 2 3 4 5 10 6 8 I FLA A070083 Fig 5 1 4 2 1 Trip curves when no prior load and p 20 100 32 REM 610 REM 610 Motor Protection Relay Technical Reference Manual ANSI Version 1MRS755537 ...

Page 33: ... 30 40 300 400 2000 3000 4000 1 2 3 4 5 10 6 8 I FLA t6x s 120 60 30 2 5 5 10 15 20 1 05 A070084 Fig 5 1 4 2 2 Trip curves at prior load 1 x FLA and p 100 Motor Protection Relay Technical Reference Manual ANSI Version REM 610 REM 610 1MRS755537 ...

Page 34: ... 40 300 400 2000 3000 4000 2 3 4 5 10 6 8 I FLA 1 05 t6x s 60 30 20 15 10 5 2 5 120 1 A070085 Fig 5 1 4 2 3 Trip curves at prior load 1 x FLA and p 50 34 REM 610 REM 610 Motor Protection Relay Technical Reference Manual ANSI Version 1MRS755537 ...

Page 35: ...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 The selection is made in SGF3 the default being thermal stress calculation Motor Protection Relay Technical Reference Manual ANSI Version REM 610 REM 610 1MRS755537 ...

Page 36: ... during motor start up no pickup signal will be generated Start up supervision based on thermal stress calculation Element 48 14 PICKUP 2 x 48 14 TDLY detects thermal stress caused by a locked rotor during motor start up for instance The element can be set to pickup either when the conditions for motor start up are met or when one or several phase currents exceed the set pickup value The selection...

Page 37: ...currently with element 48 14 Start up supervision with speed switch In case the safe stall time is shorter than the start up time of the motor stated by the motor manufacturer as with motors of ExE type for instance a speed switch on the motor shaft is required to give information on whether the motor is accelerating during motor start up The speed switch should be open at standstill and closed du...

Page 38: ...y applying a digital input signal to the relay The high set overcurrent element can be set out of operation in SGF3 to prevent the contactor in a contactor controlled drive from operating at too high phase currents This state will be indicated by dashes on the LCD and by 999 when the set pickup value is read via serial communication When element 50P pickups during motor start up no pickup signal w...

Page 39: ...ven an instantaneous characteristic by setting the operate time to the minimum i e 0 05 s The ground fault element will be reset in 50 ms after the ground fault current has fallen below the set pickup value of the element It is possible to block the tripping of the ground fault element by applying a digital input signal to the relay Element 51N can be set out of operation in SGF3 This state will b...

Page 40: ...ance protection will be disabled when all phase currents fall below twelve per cent of the FLA of the motor or one or several phase currents exceed the FLA of the motor fourfold It is possible to block the tripping of the unbalance element by applying a digital input signal to the relay Element 46 can be set out of operation in SGF3 This state will be indicated by dashes on the LCD and by 999 when...

Page 41: ...ate time The element will be reset in 200 ms after the calculated NPS current value has fallen below 75 per cent of the maximum phase current value The phase reversal element can be set out of operation in SGF3 The unbalance element will be blocked during the tripping of the phase reversal element 5 1 4 9 Cumulative start up time counter The cumulative start up time counter detects too frequent st...

Page 42: ...r s value exceeds the set restart disable value 5 1 4 10 Circuit breaker failure protection The circuit breaker failure protection CBFAIL detects situations where the the circuit breaker remains closed although the circuit breaker should have operated If a trip signal generated via output PO1 is still active and the current has not been cut off on expiration of the CBFAIL set operate time the CBFA...

Page 43: ...ring bearing temperatures and the ambient temperature for instance Each RTD input can be set out of operation This state will be indicated by dashes on the LCD and by 999 when parameters are read via the SPA bus When RTD sensors thermistors are not in use dashes will be shown on the LCD and 999 999 when parameters are read via serial communication All RTD inputs will automatically be set out of op...

Page 44: ...me The trip signal from 49 38 1 49 38 2 will be reset in 800 ms after the resistance has fallen below set trip value PTC1 PTC2 RTD sensor thermistor connection When connecting the RTD sensors and the thermistors to the RTD inputs a double shielded cable is to be used The cable shield is to be connected to the chassis earth screw on the rear panel of the relay The RTD sensors and thermistors are to...

Page 45: ...220 55 882 2 84 1 100 92 20 92 16 230 4 921 6 89 3 107 16 8 26 106 15 10 96 09 240 23 960 9 94 6 113 52 0 100 00 250 1000 100 0 120 9 04 120 00 10 103 90 259 75 1039 105 6 126 72 20 107 79 269 48 1077 9 111 2 133 44 9 81 134 52 30 111 67 279 18 1116 7 117 1 140 52 40 115 54 288 85 1155 4 123 0 147 6 10 58 149 79 50 119 40 298 5 1194 129 1 154 92 60 123 24 308 1 1232 4 135 5 162 36 11 352 165 90 70...

Page 46: ...259 30 180 168 46 421 15 1684 6 223 2 267 84 280 77 200 175 84 439 6 1758 4 240 7 288 84 303 46 220 259 2 311 04 327 53 240 278 9 334 68 353 14 250 194 07 485 18 1940 7 289 2 347 04 260 380 31 300 212 02 530 05 2120 2 350 229 67 574 18 2296 7 400 247 04 617 6 2470 4 450 264 11 660 28 2641 1 500 280 90 702 25 2809 550 297 39 743 48 2973 9 600 313 59 783 98 3135 9 46 REM 610 REM 610 Motor Protection...

Page 47: ...ngs 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 By switching between the setting groups a whole group of settings can be changed at the same time This can be done in any of the following ways Group configuration Via the HMI Entering parameter V150 v...

Page 48: ...mb Ambient temperature 0 70 C 40 C 48 14 PICKUP FLA Start up current for motor or pickup value of element 48 14 1 00 10 0 x FLA 1 00 x FLA 48 14 TDLY Start up time for motor or operate time of element 48 14 0 30 80 0 s 0 30 s 50P FLA Pickup value of element 50P 0 50 20 0 x FLA 1 00 x FLA 50P TDLY Operate time of element 50P 0 05 30 0 s 0 05 s 51N In CT Pickup value of element 51N 1 0 100 In CT 1 0...

Page 49: ...te time RTD5T TDLY 1 100 s 1 s RTD6A Alarm value RTD6A 0 200 C 0 C RTD6A TDLY Operate time RTD6A TDLY 1 100 s 1 s RTD6T Trip value RTD6T 0 200 C 0 C RTD6T TDLY Operate time RTD6T TDLY 1 100 s 1 s PTC1 Trip value PTC1 0 1 15 0 kΩ 0 1 kΩ PTC2 Trip value PTC2 0 1 15 0 kΩ 0 1 kΩ a The FLA secondary scaling factor has only one setting and thus switching between setting groups does not apply b The setti...

Page 50: ... in the tables below SGF1 SGF5 Switchgroups SGF1 SGF5 are used for configuring the desired function as follows Table 5 1 4 12 2 SGF1 Switch Function Default setting SGF1 1 Selection of the latching feature for PO1 0 SGF1 2 Selection of the latching feature for PO2 0 SGF1 3 Selection of the latching feature for PO3 0 When the switch is in position 0 and the measuring signal which caused the trip fa...

Page 51: ...d conflicts SGR5 should be set to 0 when SGF1 8 1 ΣSGF1 0 Table 5 1 4 12 3 SGF2 Switch Function Default setting SGF2 1 Operation mode of the alarm target of element 49 0 SGF2 2 Operation mode of the pickup target of element 48 14a 0 SGF2 3 Operation mode of the pickup target of element 50Pa 0 SGF2 4 Operation mode of the pickup target of element 37a 0 SGF2 5 Operation mode of the pickup target of ...

Page 52: ...ΣSGF3 2 Table 5 1 4 12 5 SGF4 Switch Function Default setting SGF4 1 and SGF4 2 Disable of element 51N when one or several phase currents exceed the FLA of the motor 0 0 SGF4 1 SGF4 2 x 4 1 0 x 6 0 1 x 8 1 1 SGF4 3 Selection of ambient temperature 0 set ambient temperature 1 ambient temperature from RTD6 If the RTD module has not been installed the set ambient temperature will be used 0 ΣSGF4 0 Ta...

Page 53: ...orized values are cleared and latched output contacts are unlatched by the digital input signal 0 SGB1 5 4 Switching between setting groups 1 and 2 using the digital input 0 the setting group cannot be changed using the digital input 1 the setting group is changed by using the digital input When the digital input is energized setting group 2 will be activated if not setting group 1 will be activat...

Page 54: ... protection elements the motor start up signal and the external trip signal are combined with the output contacts by encircling the desired intersection point Each intersection point is marked with a switch number and the corresponding weighting factor of the switch is shown on the right side of the matrix see Fig 5 1 4 12 2 The switchgroup checksum is obtained by vertically adding the weighting f...

Page 55: ...GR3 åSGR4 50P Pickup 50P Trip 37 Pickup 37 Trip 46 Pickup 51N Pickup 51N Trip 48 14 Pickup 48 14 Trip 46 Trip Weighting factor Checksum 49 Alarm 46R Trip Ext Trip 49 38 1 Alarm Motor Start up 49 Trip 49 38 1 Trip 49 38 2 Alarm 49 38 2 Trip A060576 Fig 5 1 4 12 2 Output signal matrix Table 5 1 4 12 8 SGR1 SGR5 Switch Function Default setting SGR1 SGR2 SGR3 SGR4 SGR5 SGR1 5 1 Alarm signal from eleme...

Page 56: ...6826 0 9557 If the restart disable signal has been routed to PO3 SGR3 will be overridden SGL1 SGL8 The signals are routed to LED1 with the switches of switchgroup SGL1 to LED2 with those of SGL2 and so forth Table 5 1 4 12 9 SGL1 SGL8 Switch Function Default setting SGL1 SGL2 SGL3 8 SGL1 8 1 Alarm signal from element 49 0 0 0 SGL1 8 2 Trip signal from element 49 0 0 0 SGL1 8 3 Restart disable sign...

Page 57: ...ip the first trip target will be displayed until the time as specified by the NEW TRIP IND setting value has expired After this a new trip target can displace the old one The basic protection functions are not affected by the NEW TRIP IND setting Table 5 1 4 12 10 New trip target timer Setting Description Setting range Default setting New trip target New trip target timer in minutes 0 998 60 No ne...

Page 58: ...g also during loss of auxiliary voltagea 1 Checksum 63 a The prerequisite is that the battery has been inserted and is charged When all switches have been set to zero the battery supervision is disabled 5 1 4 13 Technical data on protection functions Table 5 1 4 13 1 Element 49 Feature Value Set safe stall time t6x 2 0 120 sa Set ambient temperature Tamb 0 70 C Set restart disable level 49 RESTDIS...

Page 59: ...2 x 48 14 TDLY Feature Value Set start up current for motor 48 14 1 00 10 0 x FLA Pickup time typical at pickup criterion Ip 48 14 PICKUP 100 ms Set start up time for motor 48 14 TDLY 0 30 80 0 s Resetting time typical maximum 180 250 ms Drop off pick up ratio typical at pickup criterion 0 96 Operation accuracy 10 of the calculated operate time 0 2 s Shortest possible operate time 300 ms Elements ...

Page 60: ...y 3 of the set pickup value or 0 5 FLA Table 5 1 4 13 6 Element 51N Feature Value Set pickup value 51N at definite time characteristic 1 0 100 InCT Pickup time typical 50 ms Time current characteristic definite time operate time 51N TDLY 0 05 300 s 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 characteristi...

Page 61: ...Value Set restart disable value 66 5 500 s Countdown rate of start up time counter 66 COOL Δt 2 250 s h Table 5 1 4 13 10 Elements 49 38 1 and 49 38 2 Feature Value Operate time accuracy at definite time characteristic 3 of the set operate time or 200 msa RTD sensors Set alarm value RTD1 6A 0 200 C Operate time RTD1 6A TDLY 1 100 s Set trip value RTD1 6T 0 200 C Operate time RTD1 6T TDLY 1 100 s H...

Page 62: ...r a bad contact for instance the trip circuit supervision is activated and a warning appears on the LCD together with a fault code The warning signal from the trip circuit supervision can also be routed to SO2 by setting switch SGF1 8 to 1 Under normal operating conditions the applied external voltage is divided between the relay s internal circuit and the external trip circuit so that at least 20...

Page 63: ...DC 22 kΩ 5 W 220 V DC 33 kΩ 5 W The circuit breaker is to be provided with two external contacts one opening and one closing contact The closing contact is to be connected in parallel with the external shunt resistor which enables trip circuit supervision when the circuit breaker is closed The opening contact on the contrary is to be connected in series with the external shunt resistor which enabl...

Page 64: ...unter 4 3 External restart disable 5 1 7 Motor running time counter The motor running time counter provides history data since last commissioning The counter counts the total number of motor running hours and is incremented when one or several phase currents have exceeded twelve per cent of the FLA of the motor for 100 running hours The running time is stored in the EEPROM The counter can be read ...

Page 65: ...ng event codes are generated when the test is run However activation of the internal signals from the protection elements the motor start up signal the external trip signal and the IRF function do not generate an event code The digital input test is used for testing the connections to the relay The state of the digital inputs can be monitored via the HMI Refer to the Operator s Manual for instruct...

Page 66: ... 5 1 10 2 1 Sampling frequency Nominal frequency Hz Sampling frequency Hz Cycles 50 800 250 400 500 50a 4000 60 960 250 480 500 60a 4000 a RMS curve Recording length s Cycles Nominal frequency Hz 4 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 t...

Page 67: ...ss by setting the time stamp and the first data ready to be read 5 1 10 4 Triggering The user can select one or several internal or digital input signals to trigger the disturbance recorder either on the rising or falling edge of the signal s Triggering on the rising edge means that the post triggering recording sequence starts when the signal is activated Correspondingly triggering on the falling...

Page 68: ... charged A master reset that is clearing of targets and memorized values and unlatching of output contacts erases the contents of the stored events and the number of pickups of the elements The number of trips and auto reclose shots is stored in the non volatile memory EEPROM and is thereby not cleared when performing a master reset The number of trips can be erased by entering the value 1 and the...

Page 69: ...atures from inputs RTD1 6 optional and the resistance values of thermistors 1 and 2 optional When an element generates a pickup or an alarm signal or when a motor start up ends the maximum temperature s and thermistor resistance value s during the pick up period will be stored When an element trips the temperatures and resistance values at the time of trip will be stored Duration of the last picku...

Page 70: ...cal parameterization via the infrared port on the front panel The front connection allows the use of the SPA bus protocol only The optical front connection galvanically isolates the PC from the relay The front connection can be used in two different ways wirelessly using a PC compatible to the IrDA Standard specifications or using a specific front communication cable refer to Section 7 Ordering in...

Page 71: ...ted line idle state and connection topology apply irrespective of which rear communication protocol is active The relay uses the SPA bus protocol as default when the optional communication module is in use The protocol selection is memorized and is therefore always activated when the rear connection is in use The baud rate can be selected either via the HMI or the SPA bus According to the IEC 6087...

Page 72: ...tting password Opened Closed 0E33 0E34 X X 178 101 1 HMI Communication password Opened Closed 0E35 0E36 X X 178 102 1 Motor start up Begins Ends 1E1 1E2 X X 178 84 X 1E1 2 49 Pickup Reset 1E3 1E4 X X 184 84 X 1E3 2 49 Alarm Reset 1E5 1E6 X X 184 11 X 1E3 2 49 Trip Reset 1E7 1E8 X X 184 90 1E3 2 49 Restart Disable Reset 1E9 1E10 X X 184 30 X 1E3 2 66 Restart Disable Reset 1E11 1E12 X X 178 30 X 1 R...

Page 73: ...ted Reset 2E7 2E8 X X 251 30 X 1 SO2 Activated Reset 2E9 2E10 X X 251 31 X 1 DI1 Activated Deactivated 2E11 2E12 X X 249 231 X 1 DI2 Activated Deactivated 2E13 2E14 X X 249 232 X 1 DI3 Activated Deactivated 2E15 2E16 X 249 233 X 1 DI4 Activated Deactivated 2E17 2E18 X 249 234 X 1 DI5 Activated Deactivated 2E19 2E20 X 249 235 X 1 49 38 1 Alarm Reset 2E21 2E22 X 210 11 X 2E21 2 49 38 1 Trip Reset 2E...

Page 74: ...The RTU character format is presented in Table 5 1 14 1 and the ASCII character format in Table 5 1 14 2 Table 5 1 14 1 RTU character format Coding system 8 bit binary Bits per character 1 pickup bit 8 data bits the least significant bit is sent first 1 bit for even odd parity no bit if parity is not used 1 stop bit if parity is used 2 stop bits if parity is not used Table 5 1 14 2 ASCII character...

Page 75: ... HMI or the SPA bus The implementation of the Modbus protocol in REM 610 supports the following functions Table 5 1 14 1 1 Supported application functions Function code Function description 01 Read coil status Reads the status of discrete outputs 02 Read digital input status Reads the status of discrete inputs 03 Read holding registers Reads the contents of output registers 04 Read input registers...

Page 76: ... Return bus exception error count The number of Modbus exception responses sent by the slave since its last restart clear counters operation or power up is returned in the response 14 Return slave message count The number of messages addressed to the slave or broadcast which the slave has processed since its last restart clear counters operation or power up is returned in the response 15 Return sl...

Page 77: ...o the slave for which a NACK response has been sent Bus character overrun count The number of messages addressed to the slave for which it has not been able to send a response due to a character overrun since its last restart clear counters operation or power up The following exception codes may be generated by the Modbus protocol Table 5 1 14 1 4 Possible exception codes Code Name Description 01 ...

Page 78: ...quence 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 To read a fault record 1 Write a preset single register command function 06 to HR601 using a selection code as data value 2 Read the selected fault record function 04 from HR601 register count 33 Alternatively a fault record can be read using one command func...

Page 79: ...erived 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 SPA events lacking a corresponding DI CO data point are shown as SPA channel and event code informative event in...

Page 80: ...ead the oldest stored event record After this the master can continue reading the following records using selection code 1 irrespective of whether they have been read before Resetting the read pointer does not affect the sequence number of the event record Selection code 1 99 With selection code 1 99 the master can move backwards from the newest event as many events as defined by the selection cod...

Page 81: ...iciency the same data can be read from different data areas Measurands and other 16 bit values can be read either from the IR or HR read only area and digital target 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 Consequently all monitoring data can be read as consecutive blocks of data ...

Page 82: ...ster 3 403 See Structure 1 Table 5 1 14 1 7 Mapping of Modbus data analog data Description HR IR address bit DI Coil bit address Writeable Value range Comment Phase current Ia x In CT 404 0 5000 0 50 x FLA Phase current Ib x In CT 405 0 5000 0 50 x FLA Phase current Ic x In CT 406 0 5000 0 50 x FLA Ground fault current x In CT 407 0 8000 0 800 0 In CT NPS current 408 0 5000 0 50 x FLA Temperature ...

Page 83: ...13 0 1 1 activateda Restart disable CD 417 13 14 Pickup signal from element 48 14 PICKUP 2 x 48 14 TDLY or 48 14 417 14 15 0 1 1 activated Pickup signal from element 48 14 PICKUP 2 x 48 14 TDLY or 48 14 CD 417 15 16 Trip signal from element 48 14 PICKUP 2 x 48 14 TDLY or 48 14 418 00 17 0 1 1 activated Trip signal from element 48 14 PICKUP 2 x 48 14 TDLY or 48 14 CD 418 01 18 Pickup signal from el...

Page 84: ...ctivated DI4 CD 420 07 56 DI5 420 08 57 0 1 1 activated DI5 CD 420 09 58 Alarm signal from element 49 38 1 420 10 59 0 1 1 activated Alarm signal from element 49 38 1 CD 420 11 60 Trip signal from element 49 38 1 420 12 61 0 1 1 activated Trip signal from element 49 38 1 CD 420 13 62 Alarm signal from element 49 38 2 420 14 63 0 1 1 activated Alarm signal from element 49 38 2 CD 420 15 64 Trip sig...

Page 85: ...ddress Writeable Value range Comment Time reading and setting 721 727 W See Structure 4 Table 5 1 14 1 12 Mapping of Modbus data additional analog data Description HR IR address bit DI Coil bit address Writeable Value range Comment Maximum phase current after motor start up 801 0 5000 0 50 x FLA Maximum ground fault current after motor start up 802 0 8000 0 800 0 In CT Minimum phase current after ...

Page 86: ...ion HR IR address bit DI Coil bit address Writeable Value range Comment LED reset 501 W 1 1 LED reseta a Coil area only writeable Structure 1 The status registers contain information on unread fault and event records and relay status The registers are arranged as in Fig 5 1 14 1 2 below 401 402 403 15 8 7 0 Reserved Warning code IRF code Reserved FR ER SP MP A040333 Fig 5 1 14 1 2 Status registers...

Page 87: ...99 Cb 621 Temperature from RTD5 40 999 40 999 Cb 622 Temperature from RTD6 40 999 40 999 Cb 623 Thermistor 1 resistance value 0 200 0 20 kΩc 624 Thermistor 2 resistance value 0 200 0 20 kΩc 625 Pickup duration of element 49 38 1 alarm 0 100 0 100 626 Pickup duration of element 49 38 1 trip 0 100 0 100 627 Pickup duration of element 49 38 2 alarm 0 100 0 100 628 Pickup duration of element 49 38 2 t...

Page 88: ...le 5 1 14 1 17 for informative events 679 a Readable and writeable register Table 5 1 14 1 16 Modbus DI point event Address Name Range Comment 678 0 Modbus DI point 1 99 MSB 0 679 Modbus DI value 0 1 Table 5 1 14 1 17 Informative event Address Name Range Comment 678 1 SPA channel 0 3 MSB 1 679 SPA event 0 63 Structure 4 The relay s real time clock is stored in this structure It can be updated by p...

Page 89: ... Settings Table 5 1 15 1 Settings Variable Actual settings R channel 0 Group Channel 1 R W P Group Channel 2 R W P Setting range Safe stall time S1 1S1 2S1 2 120 sa Weighting factor S2 1S2 2S2 20 100 Time constant multiplier S3 1S3 2S3 1 64 Prior alarm level S4 1S4 2S4 50 100 Restart disable level S5 1S5 2S5 20 80 Ambient temperature S6 1S6 2S6 0 70 C Start up current for motor or pickup value of ...

Page 90: ...1S39 2S39 1 100 s Alarm value RTD3A S22b 1S22 2S22 0 200 C Operate time RTD3A TDLY S28 1S28 2S28 1 100 s Trip value RTD3T S34b 1S34 2S34 0 200 C Operate time RTD3T TDLY S40 1S40 2S40 1 100 s Alarm value RTD4A S23b 1S23 2S23 0 200 C Operate time RTD4A TDLY S29 1S29 2S29 1 100 s Trip value RTD4T S35b 1S35 2S35 0 200 C Operate time RTD4T TDLY S41 1S41 2S41 1 100 s Alarm value RTD5A S24b 1S24 2S24 0 2...

Page 91: ...5 1S95 2S95 0 4194303 Checksum SGL 6 S96 1S96 2S96 0 4194303 Checksum SGL 7 S97 1S97 2S97 0 4194303 Checksum SGL 8 S98 1S98 2S98 0 4194303 a The setting step is 0 5 b If the protection element is out of operation the number indicating the currently used value will be displaced by 999 when parameters are read via the SPA bus and by dashes on the LCD c If the optional RTD module has not been install...

Page 92: ... TDLY or 48 14 5 pickup of element 50P 6 trip of element 50P 7 pickup of element 37 8 trip of element 37 9 pickup of element 51N 10 trip of element 51N 11 pickup of element 46 12 trip of element 46 13 trip of element 46R 14 external trip 15 alarm of element 49 38 1 16 trip of element 49 38 1 17 alarm of element 49 38 2 18 trip of element 49 38 2 19 restart disable 49 20 restart disable 66 21 resta...

Page 93: ...Ground fault current 1V4 2V4 3V4 4V4 5V4 0 800 InCT NPS current 1V5 2V5 3V5 4V5 5V5 0 50 x FLA Thermal stress value 1V6 2V6 3V6 4V6 5V6 0 100 Number of motor start ups 1V7 2V7 3V7 4V7 5V7 0 999 Thermal level at start 1V8 2V8 3V8 4V8 5V8 0 106 Thermal level at end 1V9 2V9 3V9 4V9 5V9 0 106 Temperature from RTD1 1V10 2V10 3V10 4V10 5V10 40 999 C Temperature from RTD2 1V11 2V11 3V11 4V11 5V11 40 999 ...

Page 94: ... 2V26 3V26 4V26 5V26 0 100 Time stamp of the recorded data date 1V27 2V27 3V27 4V27 5V27 YY MM DD Time stamp of the recorded data time 1V28 2V28 3V28 4V28 5V28 HH MM SS sss Disturbance recorder Table 5 1 15 4 Parameters for the disturbance recorder Description Parameter channel 0 R W Value Remote triggering M1a W 1 Clear recorder memory M2 W 1 Sampling rate M15b R W 800 960 Hz 400 480 Hz 50 60 Hz ...

Page 95: ...dcast triggering by using the unit address 900 b Parameters can be written if the recorder has not been triggered c The disturbance recorder requires this parameter to be set The conversion factor is the transformation ratio multiplied by the rated of the relay If value 0 is given to this parameter dashes are shown on the LCD instead of the primary values and the recorded data will be redundant d ...

Page 96: ...Description Parameter R W P Value Reading of the event buffer L R Time channel number and event code Re reading of the event buffer B R Time channel number and event code Reading of relay state data C R 0 Normal state 1 The relay has been subject to an automatic reset 2 Overflow of the event buffer 3 Both 1 and 2 Resetting of relay state data C W 0 Reset E50 and E51 1 Reset only E50 2 Reset only E...

Page 97: ...ntera V114 R 0 65535 Sensor thermistor selection for input RTD1 V121b R W P 0 not in use 1 Pt100 45 150 C 2 Pt250 45 150 C 3 Pt1000 45 150 C 4 Ni100 45 250 C 5 Ni120 45 250 C 6 Cu10 45 150 C 7 Ni120US 45 250 C 8 PTC 0 20 kΩ Sensor selection for input RTD2 V122b R W P 0 not in use 1 Pt100 45 150 C 2 Pt250 45 150 C 3 Pt1000 45 150 C 4 Ni100 45 250 C 5 Ni120 45 250 C 6 Cu10 45 150 C 7 Ni120US 45 250 ...

Page 98: ...R counter V166 W P 1 Clear trip counters 2 Clear AR counters Restoring factory settings V167 W P 2 Restore factory settings for CPU 3 Restore factory settings for 4 Restore factory settings for CPU and RTD Warning code V168 R 0 63c IRF code V169 R 0 255c Unit address of the relay V200 R W 1 254 Data transfer rate SPA kbps V201 R W 9 6 4 8 Rear communication V202 W 1 Rear connector activated Rear c...

Page 99: ...ith parameters I6 I10 the temperatures from RTD1 RTD6 with parameters I11 I16 and the resistance values of thermistors 1 and 2 with parameters I17 and I18 Table 5 1 15 8 Input signals Description Channel Parameter R Value Current measured on phase Ia 0 I1 0 50 x FLA Current measured on phase Ib 0 I2 0 50 x FLA Current measured on phase Ic 0 I3 0 50 x FLA Measured ground fault current 0 I4 0 800 In...

Page 100: ...ctions R Value Pickup of element 49 0 1 O1 O61 0 1 Alarm of element 49 0 1 O2 O62 0 1 Trip of element 49 0 1 O3 O63 0 1 Pickup of element 48 14 PICKUP 2 x 48 14 TDLY or 48 14 0 1 O4 O64 0 1 Trip of element 48 14 PICKUP 2 x 48 14 TDLY or 48 14 0 1 O5 O65 0 1 Pickup of element 50P 1 0 1 O6 O66 0 1 Trip of element 51N 0 1 O7 O67 0 1 Pickup of element 37 0 1 O8 O68 0 1 Trip of element 37 0 1 O9 O69 0 ...

Page 101: ... SO2 0 2 O45 O105 0 1 Output PO3 restart disable c 0 2 O46 0 1b Enabling activation of output contacts PO1 PO2 PO3 SO1 and SO2 via the SPA bus 0 2 O51 0 1 a State of output when the pickup trip and alarm signals from the protection elements the motor start up signal and the external trip signal have been routed to PO3 SGR3 1 19 1 provided that SGF1 7 1 b Either O43 O103 or O46 is to be used at a t...

Page 102: ...V6 R W 0 65535a User defined register 7 504V7 R W 0 65535a User defined register 8 504V8 R W 0 65535a User defined register 9 504V9 R W 0 65535a User defined register 10 504V10 R W 0 65535a User defined register 11 504V11 R W 0 65535a User defined register 12 504V12 R W 0 65535a User defined register 13 504V13 R W 0 65535a User defined register 14 504V14 R W 0 65535a User defined register 15 504V1...

Page 103: ...been set out of operation the parameter cannot be written to and dashes will be shown on the LCD and 999 when the thermal level is read via the SPA bus e If the demand value is reset and the specified time has not elapsed dashes are shown on the LCD and 999 when the parameter is read via the SPA bus 5 1 15 1 Event codes Special codes are determined to represent certain events such as pickup and tr...

Page 104: ...eactivated 0 E7 The thermal level has been changed via serial communication Table 5 1 15 1 3 Event codes E50 E51 Channel Event Description 0 E50 Relay restart 0 E51 Event buffer overflow Events possible to mask out Table 5 1 15 1 4 Event codes E31 E36 Channel Event Description Weighting factor Default value 0 E31 Disturbance recorder triggered 1 1 0 E32 Disturbance recorder memory cleared 2 0 0 E3...

Page 105: ...er is full or the external restart disable signal is active Table 5 1 15 1 6 Event codes E15 E26 Channel Event Description Weighting factor Default value 1 E15a Pickup signal from element 48 14 PICKUP 2 x 48 14 TDLY or 48 14 activated 1 1 1 E16a Pickup signal from element 48 14 PICKUP 2 x 48 14 TDLY or 48 14 reset 2 0 1 E17 Trip signal from element 48 14 PICKUP 2 x 48 14 TDLY or 48 14 activated 4 ...

Page 106: ...ault value of event mask 1V157 341 a The event code is not generated during motor start up Channel 2 Table 5 1 15 1 8 Event codes E1 E10 Channel Event Description Weighting factor Default value 2 E1 PO1 activated 1 1 2 E2 PO1 reset 2 1 2 E3 PO2 activated 4 0 2 E4 PO2 reset 8 0 2 E5 PO3 activated 16 0 2 E6 PO3 reset 32 0 2 E7 SO1 activated 64 0 2 E8 SO1 reset 128 0 2 E9 SO2 activated 256 0 2 E10 SO...

Page 107: ...e two types of fault targets IRF targets and warnings Internal relay fault When an internal relay fault preventing relay operation is detected the relay first tries to eliminate the fault by restarting Only after the fault is found to be permanent the green target LED ready begins to flash and the self supervision output contact is activated All other output contacts are returned to the initial st...

Page 108: ...Internal reference voltage error 253 Error in the measuring unit a Can be corrected by restoring factory settings for CPU b All settings will be zero during the fault For further information on internal relay faults refer to the Operator s Manual Warnings In case of a warning the relay continues to operate except for those protection functions possibly affected by the fault and the green target LE...

Page 109: ...er cent from the measuring range the sample will be discarded If the fault has not disappeared on expiration of the filter time of eight seconds all inputs will automatically be set out of operation to indicate a hardware fault Should the fault later disappear the inputs will be re enabled This will prevent most sudden hardware faults from affecting the measured value To ensure that the specified ...

Page 110: ... 0 2 1 0 mm2 AWG 24 16 wires The energizing phase currents of the relay are connected to terminals X2 1 1 2 X2 1 3 4 X2 1 5 6 For inputs for ground fault currents refer to Table 5 2 1 1 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 of the relay is connected to te...

Page 111: ...oups SGR1 SGR3 On delivery from the factory the trip signals from all the protection elements except 49 38 1 and 49 38 2 are routed to both PO1 and PO2 and the restart disable signal to PO3 Output contacts SO1 SO5 can be used for signalling on pickup and tripping of the relay see Table 5 2 1 4 The signals to be routed to signal outputs SO1 and SO2 are selected with the switches of switchgroups SGR...

Page 112: ... 1 2 3 4 5 6 7 8 9 10 11 12 X3 1 X4 1 X2 1 DANGER RISK OF ELECTRIC SHOCK NEAR INSTRUMENT TERMINALS TX RX X5 3 X5 4 TX RX A051555 Fig 5 2 1 1 Rear view of the relay with the fibre optic communication module for plastic and glass fibre 112 REM 610 REM 610 Motor Protection Relay Technical Reference Manual ANSI Version 1MRS755537 ...

Page 113: ...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 Functiona REM610x11xxxx REM610x15xxx x REM610x51xxxx REM610x55xx xx X2 1 1 Ia 1 A Ia 1 A Ia 5 A Ia 5 A X2 1 2 X2 1 3 Ib 1 A Ib 1 A Ib 5 A Ib 5 A X2 1 4 X2 1 5 Ic 1 A Ic 1 A Ic 5 A Ic 5 A X2 1 6 X2 1 7 In 1 A In 5 A In 1 A In 5 A X2 1 8 Motor Protection R...

Page 114: ...1 5 Closed no IRF and Uaux connected Table 5 2 1 4 Output contacts Terminal Function X4 1 6 SO2 common X4 1 7 SO2 NC X4 1 8 SO2 NO X4 1 9 SO1 commona X4 1 10 SO1 NCa X4 1 11 SO1 NOa X4 1 12 PO3 restart disable NCb X4 1 13 X4 1 14 PO2 NO X4 1 15 X4 1 16 PO1 NO X4 1 17 X4 1 18 PO1 TCS NO X4 1 19 X4 1 20 a This output is intended to be used with contactor controlled motors b If the restart disable si...

Page 115: ...common X3 1 22 RTD6 X3 1 23 RTD6 X3 1 24 RTD6 common 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 7 Ordering information If a PC compatible to the IrDA Standard specifications is used wireless communication is possible as well The maximum wireless operating distance de...

Page 116: ...ignal ground is being used for balancing potential differences between devices nodes a quality dual twisted pair shielded cable is to be used In this case one pair is connected to A and B and one of the conductors of the other pair to signal ground When connecting one device to another A is connected to A and B to B The cable shield is to be connected directly to ground shield GND in one point dev...

Page 117: ...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 Shield GND via capacitor X5 5 1 Shield GND Combined fibre optic connection plastic and glass If the relay is provided with the optional fibre optic communication module for plastic and glass fibre the plastic fibre optic cables...

Page 118: ... X5 3 X5 4 TX TX X6 X2 X5 3 X5 4 RX RX X5 4 RX glass X5 4 TX glass Fibre optic Interface X5 3 TX plastic X5 3 RX plastic A040335 Fig 5 2 2 2 Jumper location on the communication module for plastic and glass fibre Table 5 2 2 5 Fibre optic rear connectors plastic and glass Terminal Function X5 3 TX Transmitter for plastic fibre X5 3 RX Receiver for plastic fibre X5 4 TX Transmitter for glass fibre ...

Page 119: ... quiescent Pq operating condition 9 W 13 W Ripple in the DC auxiliary voltage Max 12 of the DC value at frequency of 100 Hz Interruption time in the auxiliary DC voltage without resetting the relay 50 ms at Uaux rated Time to trip from switching on the auxiliary voltagea 350 ms Internal over temperature limit 100 C Fuse type T2A 250 V a Time to trip of element 50P and 51N Table 5 2 3 3 Energizing ...

Page 120: ...ing range 20 of the rated voltage Current drain 2 18 mA Power consumption input 0 9 W Table 5 2 3 6 Non trip output SO1 Rated voltage 250 V AC DC Continuous carry 5 A Make and carry for 3 0 s 15 A Make and carry for 0 5 s 30 A Breaking capacity when the control circuit time constant L R 40 ms at 48 110 220 V DC 1 A 0 25 A 0 15 A Minimum contact load 100 mA at 24 V AC DC Table 5 2 3 7 Non trip outp...

Page 121: ...nputs Supported RTD sensors 100 Ω platinum TCR0 00385 DIN 43760 250 Ω platinum TCR 0 00385 1000 Ω platinum TCR 0 00385 100 Ω nickel TCR 0 00618 DIN 43760 120 Ω nickel TCR 0 00618 120 Ω nickel US TCR 0 00672 10 Ω copper TCR 0 00427 Supported PTC thermistor range 0 20 kΩ Maximum lead resistance three wire measurement 200 Ω per lead Isolation 2 kV inputs to protective earth Sampling frequency 5 Hz Re...

Page 122: ...MHz Radiated pulse modulated According to the ENV 50204 and IEC 60255 22 3 2000 10 V m f 900 MHz Fast transient disturbance tests According to IEC 60255 22 4 and IEC 61000 4 4 Trip outputs energizing inputs power supply 4 kV I O ports 2 kV Surge immunity test According to IEC 61000 4 5 Trip outputs energizing inputs power supply 4 kV line to ground 2 kV line to line I O ports 2 kV line to ground 1...

Page 123: ...l connection infrared wirelessly or via the front communication cable 1MRS050698 SPA bus protocol 9 6 or 4 8 kbps 9 6 kbps with front communication cable Optional communication modules and protocols SPA bus IEC 60870 5 103 Modbus RTU and ASCII Plastic fibre Plastic and glass fibre RS485 Auxiliary voltage The relay requires a secured auxiliary voltage supply to operate The internal power supply of ...

Page 124: ...124 ...

Page 125: ... is 1 Example Rated power Pnm 4500 kW Rated voltage Unm 3300 V Rated current Inm 930 A CT current ratio IN1 IN2 1000 5 A Relay input INR 5 00 AM The FLA secondary scaling factor is calculated as follows 1000 A 930 A x 5 A 5 A 1 075 1 08 Example Rated power Pnm 900 kW Rated voltage Unm 380 V Rated current Inm 1650 A CT current ratio 2000 1 A Relay input 1 00 AM The FLA secondary scaling factor is c...

Page 126: ... use of the motor s full capacity a lower weighting factor should be used Normally approximately half of the thermal capacity is used when a motor is running at full load By setting p to 50 per cent the thermal overload protection will take this into account In special cases where the thermal overload protection is required to follow the characteristics of the object to be protected more closely a...

Page 127: ... 40 300 400 2000 3000 4000 1 2 3 4 5 10 6 8 I FLA 1 05 p 20 50 75 100 x Cold curve A070814 Fig 6 1 2 1 1 The influence of p at prior load 1 x FLA and t6x 20 s Motor Protection Relay Technical Reference Manual ANSI Version REM 610 REM 610 1MRS755537 ...

Page 128: ...lated as follows t t I FLA p I FLA I x start prior 6 2 2 32 15 100 ln int int s start FLAint 2 1 1025 6 t required operate time i e the number of hot starts x start up time of the motor and margin ln natural logarithm Istart start up current of the motor FLAint internal FLA equals the FLA of the motor at an ambient temperature of 40 C p weighting factor Iprior prior load current normally equal to ...

Page 129: ...e start up current of the motor is 6 2 x the internal FLA The safe stall time setting is calculated or selected from the trip curves at prior load 1 x FLA In the figure below a safe stall time of 30 seconds is selected permitting a start up time slightly longer than the one stated by the motor manufacturer see the figure below Motor Protection Relay Technical Reference Manual ANSI Version REM 610 ...

Page 130: ... current of the motor 6 2 x FLA Start up time of the motor 11 s One hot start allowed Ambient temperature 20 C At an ambient temperature of 20 C the internal FLA is 1 09 x FLA of the motor Thus the start up current of the motor is 6 2 1 09 5 69 x the internal FLA 130 REM 610 REM 610 Motor Protection Relay Technical Reference Manual ANSI Version 1MRS755537 ...

Page 131: ... start up time slightly longer than the one stated by the motor manufacturer see the figure below t s I In 50 10 20 5 1 2 3 4 30 40 1 2 3 4 5 10 6 8 1 05 t6x 120 60 30 20 15 10 5 2 5 s A051488 Fig 6 1 2 2 2 Selected safe stall time 23 s Motor Protection Relay Technical Reference Manual ANSI Version REM 610 REM 610 1MRS755537 ...

Page 132: ...l FLA In Fig 5 1 2 2 3 a safe stall time setting of 60 seconds is selected from the trip curves at prior load 1 x FLA permitting a start up time slightly longer than twice the one stated by the motor manufacturer see the figure below t s I FLA 50 10 20 5 1 2 3 4 30 40 2 3 4 5 10 6 8 1 05 t6x 120 60 30 20 15 10 5 2 5 s 1 A070815 Fig 6 1 2 2 3 Selected safe stall time 60 s 132 REM 610 REM 610 Motor ...

Page 133: ...art start 2 1 1025 8 6 1 2 4 Checking the set safe stall time for a single start If the safe stall time of the motor is shorter than the operate time when no prior load a single motor start up should instead be protected by the start up supervision 6 1 2 5 Restart disable level 49 RESTDIS The restart disable level can be calculated as follows 49 RESTDIS start up time of the motor operate time whe ...

Page 134: ... the start up current of the motor is 6 2 x FLA and the start up time 11 seconds 48 14 PICKUP 6 2 and 48 14 TDLY 11 s x 1 1 12 s 6 1 3 2 Checking the need for speed switch When protecting motors of ExE type for instance the safe stall time may be shorter than the start up time of the motor which is why a speed switch on the motor shaft is required to give information on whether the motor is accele...

Page 135: ... the restart disable will be activated when the third motor start up has been initiated thus preventing a fourth motor start up Consequently the restart disable value is to be set to 130 seconds A maximum of three motor start ups in four hours means that the register s value should reach the set restart disable value four hours later to allow a new motor start up Consequently the register s value ...

Page 136: ...the product of the NPS voltage and the ratio of the start up current and the FLA of the motor For instance if the start up current of the motor is 6 x FLA and the maximum allowed NPS voltage four per cent the estimated NPS current will be 6 x 4 24 Thus 46 PICKUP will be 0 24 x FLA 6 1 6 2 Selecting the time constant 46 TDIAL The time constant 46 TDIAL can be estimated as follows 46 TDIAL 175 2 Ist...

Page 137: ...h the line CTs would partially saturate during a motor start up The pickup value of the ground fault element is typically set to 15 40 FLA A core balance transformer is recommended for isolated neutral networks and high resistance grounded networks The use of a core balance transformer makes the ground fault protection very sensitive and the variations in the load current will not affect the groun...

Page 138: ... when the 1 A input is used and 10 Ω when the 5 A input is used The value of the knee point voltage must be checked and should be 2 x Ustab The stabilizing resistor will also slightly reduce the ground fault sensitivity 6 1 7 2 Increasing the sensitivity of the ground fault protection The sensitivity of the ground fault protection can be increased by using a relay provided with a 1 A input instead...

Page 139: ... setting the total start up time of the motor can be read from the curve In this case the thermal protection element will trip in approximately 28 seconds which will allow two cold starts However as the operate time when no prior load is longer than the safe stall time of nineteen seconds single motor start ups should instead be protected by the start up supervision The start up current 48 14 PICK...

Page 140: ...be run at a slight overload in relation to the specified maximum load at 40 C If the ambient temperature is higher than 40 C the continuous load must be lower than the specified maximum load at 40 C At an ambient temperature of 20 C the internal FLA is 1 09 x FLA of the motor Thus the start up current of the motor is 6 2 1 09 5 69 x the internal FLA If a safe stall time setting of 30 seconds is se...

Page 141: ...r manufacturer 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 In this case the thermal protection element will trip in approximately 20 seconds which will allow two cold starts As the operate time when no prior load is shorter than th...

Page 142: ...thermal stress calculation SGF3 6 0 and element 48 14 PICKUP 2 x 48 14 TDLY is set to pickup when one or several phase currents exceed the set pickup value SGF3 7 1 the tripping of element 48 14 PICKUP 2 x 48 14 TDLY will be similar to that at the IDMT characteristic extremely inverse If a core balance transformer is used for measuring the ground fault current refer to Section 6 1 7 Ground fault p...

Page 143: ...nm The pickup value of element 51N is calculated as follows 20 1650 5 2000 16 5 A A A A 18 Thus 51N 16 and the 5A input is used The operate time of the ground fault element is set to 50 ms when the network is solidly grounded If the drive is contactor controlled refer to Section 6 4 Protecting a contactor controlled motor Motor Protection Relay Technical Reference Manual ANSI Version REM 610 REM 6...

Page 144: ...144 ...

Page 145: ...lastic fiber G plastic and glass fiber R RS 485 N none RTD Thermistor module M included N none Power supply H 100 240 V AC 110 250 V DC 2xDI 110 125 220 250 V DC 3xPO 2xSO L 24 60 V DC 2xDI 24 48 60 110 125 220 250 V DC 3xPO 2xSO Earth fault current input 5 5A 1 1A Phase current inputs 5 5A 1 1A Language set 01 IEC English Svenska Suomi 02 IEC English Deutsch Francais Italiano Español Polski 11 AN...

Page 146: ...e Item Order number Semi flush mounting kit 1MRS050696 Inclined 25º semi flush mounting kit 1MRS050831 Wall mounting kit 1MRS050697 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 and RTXP18 REM 610 1MRS090924 19 equipment frame...

Page 147: ... s Pickup value of element 46 1S15 0 10 0 50 x FLA 0 20 x FLA Time constant of element 46 at IDMT characteristic 1S16 5 100 5 Restart disable value 1S17 5 500 s 5 s Countdown rate of start up time counter 1S18 2 250 s h 2 s h Operate time of CBFAIL 1S19 0 10 60 0 s 0 10 s Alarm value RTD1A 1S20 0 200 C 0 C Operate time RTD1A TDLY 1S26 1 100 s 1 s Trip value RTD1T 1S32 0 200 C 0 C Operate time RTD1...

Page 148: ...B 4 1S74 0 16383 0 Checksum SGB 5 1S75 0 16383 0 Checksum SGR 1 1S81 0 524287 6826 Checksum SGR 2 1S82 0 524287 6826 Checksum SGR 3 1S83 0 524287 0 Checksum SGR 4 1S84 0 524287 9557 Checksum SGR 5 1S85 0 524287 9557 Checksum SGL 1 1S91 0 4194303 4 Checksum SGL 2 1S92 0 4194303 8 Checksum SGL 3 1S93 0 4194303 0 Checksum SGL 4 1S94 0 4194303 0 Checksum SGL 5 1S95 0 4194303 0 Checksum SGL 6 1S96 0 41...

Page 149: ...s Alarm value RTD1A 2S20 0 200 C 0 C Operate time RTD1A TDLY 2S26 1 100 s 1 s Trip value RTD1T 2S32 0 200 C 0 C Operate time RTD1T TDLY 2S38 1 100 s 1 s Alarm value RTD2A 2S21 0 200 C 0 C Operate time RTD2A TDLY 2S27 1 100 s 1 s Trip value RTD2T 2S33 0 200 C 0 C Operate time RTD2T TDLY 2S39 1 100 s 1 s Alarm value RTD3A 2S22 0 200 C 0 C Operate time RTD3A TDLY 2S28 1 100 s 1 s Trip value RTD3T 2S3...

Page 150: ...1 2S91 0 4194303 4 Checksum SGL 2 2S92 0 4194303 8 Checksum SGL 3 2S93 0 4194303 0 Checksum SGL 4 2S94 0 4194303 0 Checksum SGL 5 2S95 0 4194303 0 Checksum SGL 6 2S96 0 4194303 0 Checksum SGL 7 2S97 0 4194303 0 Checksum SGL 8 2S98 0 4194303 0 Table 8 3 Control parameters Description Parameter channel 0 Setting range Default setting Customer s setting FLA secondary protected unit scaling factor V10...

Page 151: ...45 250 C 8 PTC 0 20 kΩ 0 Sensor selection for input RTD2 V122 0 not in use 1 Pt100 45 150 C 2 Pt250 45 150 C 3 Pt1000 45 150 C 4 Ni100 45 250 C 5 Ni120 45 250 C 6 Cu10 45 150 C 7 Ni120US 45 250 C 0 Sensor selection for input RTD3 V123 0 not in use 1 Pt100 45 150 C 2 Pt250 45 150 C 3 Pt1000 45 150 C 4 Ni100 45 250 C 5 Ni120 45 250 C 6 Cu10 45 150 C 7 Ni120US 45 250 C 0 Motor Protection Relay Techni...

Page 152: ...00 45 150 C 2 Pt250 45 150 C 3 Pt1000 45 150 C 4 Ni100 45 250 C 5 Ni120 45 250 C 6 Cu10 45 150 C 7 Ni120US 45 250 C 0 Sensor selection for input RTD6 V126 0 not in use 1 Pt100 45 150 C 2 Pt250 45 150 C 3 Pt1000 45 150 C 4 Ni100 45 250 C 5 Ni120 45 250 C 6 Cu10 45 150 C 7 Ni120US 45 250 C Remote control of settings V150 0 setting group 1 1 setting group 2 0 Unit address of the relay V200 1 254 1 Da...

Page 153: ...M18 0 9999 0 Name of the motor drive M20 Max 16 characters ABB Analog channel conversion factor and unit for Ia Ib and Ic M80 M81 M82 Factor 0 65535 unit A kA e g 10 kA 00001 CT Analog channel conversion factor and unit for the ground fault current M83 Factor 0 65535 unit A kA e g 10 kA 00001 CT Internal trigger signals checksum V236 0 8191 2728 Internal trigger signal s edge V237 0 8191 0 Checksu...

Page 154: ...154 ...

Page 155: ...egister IDMT Inverse definite minimum time characteristic IEC International Electrotechnical Commission IEC_103 Standard IEC 60870 5 103 IED Intelligent electronic device IEEE Institute of Electrical and Electronics Engineers Inc IR Input register IRF Internal relay fault LCD Liquid crystal display LED Light emitting diode LRC Longitudinal redundancy check MP Minute pulse MSB Most significant bit ...

Page 156: ...ctions SGL Switchgroup for LEDs SGR Switchgroup for output contacts SO Signal output SP Second pulse SPA Data communication protocol developed by ABB TCR Temperature coefficient of resistance TCS Trip circuit supervision UDR User defined register 156 REM 610 REM 610 Motor Protection Relay Technical Reference Manual ANSI Version 1MRS755537 ...

Page 157: ......

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 1MRS755537 EN 12 2007 ...

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