ABB SPAJ 140 C, User Manual And Technical Description

Page 1: ...IP o TRIP 9 o o CBFP 9 t t t t I 0074A I I o I I I I I I I I I I I I I I I I I I I I I n I I 80 265V 18 80V 5A 1A 1A 5A 2 5 U fn 50Hz 60Hz RS 611 006 SGR SGB SGF SPCJ 4D29 TRIP PROGRAM RESET STEP L1 L2 L3 0 IRF 3 I I I I I I n I I k s t n I I s t s k t n 0 I I s o t n o I I 0012A 0 0 SPAJ 140 C Overcurrent and earth fault relay User s manual and Technical description ...

Page 2: ...r light duty output relays with field selectable configuration Extensive data communication capabilities over built in serial port Outstanding design flexibility for easy selection of appropriate operation schemes for different applications Numerical display of setting values measured values memorized fault values fault codes etc Enhanced system reliability and availability due tocontinuoushardwar...

Page 3: ...nit operates Thelow setstageoftheovercurrentunitandthe low setstageoftheearth faultunitmaybegiven definite time or inverse definite minimum time IDMT characteristic When the IDMT char acteristic is chosen six time current curves are available Four of the curves comply with the BS 142 and IEC 60255 and are named Normal inverse Very inverse Extremely inverse and Long time inverse The two additional ...

Page 4: ...75 START 1 80 81 10 11 SGB 1 SGB 2 SGB 3 SGB 4 SGB 6 SGB 7 SGB 5 LATCHING SIGNAL 1 START 2 RESET I I 0 B C F E D A U1 1 1 T2 T4 T6 T8 T1 T3 T5 T7 RC SETTINGS SGB 8 SGF 4 0 1 1s SGR2 8 SGR1 6 SGR1 8 SGR1 2 SGR1 4 U3 TRIP R U2 U1 T9 TS2 SS3 SS2 SS1 TS1 SPA ZC_ Rx Tx SERIAL PORT 1 A 5 A 1 A 5 A 1 A 5 A SGR2 6 SGR2 4 SGR2 2 1 SGR2 7 SGR2 5 SGR2 3 SGR2 1 1 SGR1 7 SGR1 5 SGR1 3 SGR1 1 1 SGR3 8 SGR3 7 SG...

Page 5: ...up SGR3 START 2 Start signal of the low set overcurrent stage I U1 Overcurrent and earth fault relay module SPCJ 4D29 U3 Input module SPTE 4E1 U2 Power supply and output relay module SPTU 240 R1 or SPTU 48 R1 T1 T9 Start and operation indications SERIAL PORT Serial communication port SPA ZC_ Bus connection module Rx Tx Receiver bus terminal Rx and transmitter bus terminal Tx of the bus connection ...

Page 6: ...used for signalling on operation of the relay module The signals to be routed to the output relays B and C are selectedwithswitches1 8ofswitchgroupSGR2 The switch matrixes for routing operate signals to the output relays B and C are identical NormallyoutputrelayBisusedforsignallingon operation of the overcurrent unit and C for signalling on operation of the earth fault unit This is also the defaul...

Page 7: ...art signals are selected with the switches of switchgroups SGF SGB and SGR The checksums of the switchgroups are found in the setting menu of the protection relay module The functions of the different switches are explained in detail in the user s manual of the protection relay mod ule SPCJ 4D29 Signal diagram The figure below schematically illustrates how the start trip control and blocking signa...

Page 8: ...ge I0 of the earth fault unit has started 8 I0 TRIP The high set stage I0 of the earth fault unit has operated 9 CBFP Circuit breaker failure protection has operated D The TRIP indications persist when the pro tection stage returns to normal The indica tor is reset by pushing the RESET STEP push button Further the indicators may be reset via the external control input 10 11 by applying a control v...

Page 9: ...e required by the protection relay module is stabilized in the protection relay module 1 A slow 8V 12V 12V 24V Uaux 80 265 V ac dc 18 80 V dc Unstabilized logics voltage Operation amplifier voltage Output relay coil voltage Fig 5 Voltage levels of the power supply unit A green LED indicator Uaux on the system front panel is lit when the power supply module is in operation The supervision of the vo...

Page 10: ...A Signalling contacts Terminals 70 71 72 68 69 77 78 80 81 Rated voltage 250 V dc ac Continuous carry 5 A Make and carry for 0 5 s 10 A Make and carry for 3 0 s 8 A Breaking capacity for dc when the signal circuit time constant L R 40 ms at 48 110 220 V dc signal circuit voltage 1 A 0 25 A 0 15 A External control inputs Blocking remote reset or remote setting input 10 11 Control voltage level 18 2...

Page 11: ...perate time t0 0 05 300 s inverse definite minimum time IDMT characteristic as per IEC 60255 3 and BS 142 Extremely inverse Very inverse Normal inverse Long time inverse special type inverse characteristic RI type inverse RXIDG type inverse time multiplier k0 0 05 1 0 High set earth fault stage I0 Start current 0 1 10 0 x In and infinite Operate time t0 0 05 300 s Note The operation of the low set...

Page 12: ...8 kV Fast transient disturbance test IEC 60255 22 4 and IEC 61000 4 4 power supply 4 kV I O ports 2 kV Spike test class III KEMA 1 kV 0 15 50 µs Magnetic field test acc to IEC 60521 400 A m Power supply tests Power supply variation Variation voltage 68 265 V Interruption 80 V 50 0 200 ms Interruption 80 V 100 0 30 ms Interruption 255 V 100 0 160 ms Mechanical tests Vibration tests IEC 60255 21 1 c...

Page 13: ...ions If the relay fails in operation or if the operating values remarkably differ from those of the relay specifications therelayshouldbegivenaproper overhaul Minor measures can be taken by per sonnel from the instrument work shop of the customer s company e g replacement of auxil iary relay modules All major measures involv ing overhaul of the electronics are to be taken by the manufacturer Pleas...

Page 14: ...ranged for semi flushmountingwiththeuseofa40mm 80mm or 120 mm raising frame which reduces the depth behind the panel by the same dimension The type designations of the raising frames are SPA ZX111forthe40mmframe SPA ZX112 for the 80 mm frame and SPA ZX 113 for the 120 mm frame A surface mounting case SPA ZX 110 is also available The relay case is made of profile aluminium and finished in beige A c...

Page 15: ... indicator Internal Relay Fault Display 1 3 digits Reset Step push button Programming push button Trip indicator Module type designation Fastening screw Indicators for measured quantities Indicators for setting parameters Indicators for switchgroups SGF SGB and SGR Fastening screw General characteristics of D type relay modules User s manual and Technical description ...

Page 16: ... SGB SGR 4 Settings 4 Setting mode 4 Example 1 Setting of relay operation values 7 Example 2 Setting of relay switchgroups 9 Recorded information 11 Trip test function 12 Example 3 Forced activation of outputs 13 Operation indicators 15 Fault codes 15 1MRS 750066 MUM EN Issued 95 04 12 Version A replaces 34 SPC 3 EN1 Checked JH Approved TK Data subject to change without notice ...

Page 17: ...tion are accessible in the main menu i e present meas ured values present setting values and recorded parameter values The data to be shown in the main menu are sequentially called up for display by means of the STEP push button When the STEP push button is pressed for about one second the display moves forward in the display sequence When the push button is pressed for about 0 5 seconds the displ...

Page 18: ... cation bus 2 By an external control signal BS1 BS2 or RRES BS3 3 Via the push buttons of the relay module see submenu 4 of register A Setting mode Generally when a large number of settings is to be altered e g during commissioning of relay systems it is recommended that the relay set tings are entered with the keyboard of a personal computer provided with the necessary software When no computer n...

Page 19: ... willshowthreedashes toindicatethenon tripping mode The serial communication is operativeandallmainandsubmenuesareacces sible In the non tripping mode unnecessary trippings are avoided and the settings can be checked The normal protection relay mode is entered automatically after a timeout of five minutes or ten seconds after the dark display position of the main menu has been entered Normal statu...

Page 20: ...ase L2 Event n 2 value of phase L2 Latest memorized event n value of phase L2 2 1 2 Event n 1 value of phase L3 Event n 2 value of phase L3 Latest memorized event n value of phase L3 3 1 2 Main setting value for t or k Main setting value for I Main setting value for t Main setting value for Io Main setting value for to or ko Main setting value for Io Main setting value for to Second setting of SGB...

Page 21: ...y pressing the PRO GRAM push button for five seconds until the display starts flashing d Press the PROGRAM push button once again for one second to get the rightmost digit flash ing e Now the flashing digit can be altered Use the STEP push button to set the digit to the desired value f Press the PROGRAM push button to make the middle one of the green digits flash g Set the middle digit with of the...

Page 22: ... value automatically initi ates a return from the setting mode to the normal submenu Without recording one can leave the setting mode any time by pressing the PROGRAM push button for about five sec onds untilthegreendisplaydigitsstopflashing o If the second setting is to be altered enter submenu position 2 of the setting I by pressing the STEP push button for approx one second The flashing positio...

Page 23: ...g mode by pressing the PRO GRAM push button for five seconds until the display starts flashing d Press the PROGRAM push button once again to get the first switch position The first digit of the display now shows the switch number The position of the switch is shown by the rightmost digit e The switch position can now be toggled be tween 1 and 0 by means of the STEP push button and it is left in th...

Page 24: ...lash in the display i e 1 If the checksum is incorrect the setting of the separate switches is repeated using the PROGRAM and STEP push buttons start ing from step d l Recording the new value automatically initiates a return from the setting mode to the normal menu Without recording one can leave the setting mode any time by pressing the PRO GRAM push button for about five seconds until the green ...

Page 25: ...ins the data trans fer rate value expressed in kilobaud of the serial communication Submenu 2 of register A contains a bus commu nication monitor for the SPAbus If the protec tion relay which contains the relay module is linked to a system including a contol data communicatoe for instance SRIO 1000M and the data communication system is operating the counter reading of the monitor will be zero Othe...

Page 26: ...s the two push butttons are pressed The effect on the output relays depends on the configuration of the output relay matrix switches Theself supervisionoutputisactivatedbypress ing the STEP push button 1 second when no setting indicator is flashing The IRF output is activated in about 1 second after pressing of the STEP push button Thesignalsareselectedintheorderillustratedin Fig 4 REGISTER 0 I ST...

Page 27: ...and the IRF output is activated When the step push button is released the IRF indicator is switched off and the IRF output resets d Press the PROGRAM push button for one second and the indicator of the topmost setting start flashing e If a start of the first stage is required now press thepush buttonsPROGRAMandSTEPsimul taneously Thestageoutputwillbeactivatedand the output relays will operate acco...

Page 28: ...ay is operated the trip indicator of the measuring module is lit h The starting and tripping of the remaining stages are activated in the same way as the first stage above The indicator of the corresponding setting starts flashing to indicate that the con cerned stage can be activated by pressing the STEPandPROGRAMbuttonssimultaneously For any forced stage operation the output relays will respond ...

Page 29: ...In most fault situations a fault code indicating the nature of the fault appears on the display of the module The fault code which consists of a red figure 1 and a three digit green code number cannotberemovedfromthedisplayby resetting When a fault occurs the fault code should be recorded and stated when service is ordered When in a fault mode the normal relay menus are operative i e all setting v...

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Page 31: ... SPCJ 4D29 TRIP PROGRAM RESET STEP L1 L2 L3 o IRF 3 I I I I I I n I I k s t n I I s t s o ko t n o I I s o t n o I I 0012A SPCJ 4D29 Overcurrent and earth fault relay module User s manual and Technical description ...

Page 32: ...ra tion Parametrization of the module by push buttons on the front panel or via the serial port using a portable PC and a suitable software Continuous hardware and software supervision including auto diagnosis SPCJ 4D29 Combined overcurrent and earth fault relay module Features 2 Description of function 3 Block diagram 5 Front panel 6 Start and operation indicators 7 Settings 8 Selector switches 9...

Page 33: ...ercurrent stage is 0 5 2 5 x In although start current settings withintherange2 5 5 0xIn canbesetonthe relay At inverse time characteristic any start current setting above 2 5 x In of the low set stage will be regarded as being equal to 2 5 x In Note The operation of the low set stage based on inverse time characteristic will be blocked by starting of the high set stage Then the operate time of th...

Page 34: ...s lit although the stage resets The indicator is reset by pushing the RESET push button By proper configuration of the output relay switchgroups an additional auxiliary trip signal TS1 can be obtained The operation of the low set earth fault stage I0 or the high set earth fault stage I0 can be blocked by routing a blocking signal BS to the earth fault unit The blocking configuration is set with sw...

Page 35: ...Start signals to possible external optional auto reclose relays TRIP Red operation trip indicator Note All input and output signals of the relay module are not necessarily wired to the terminals of a particular relay The signals wired to the termi nals of a particular protection relay are shown in thesignaldiagraminthegeneralpartoftherelay manual Block diagram IL1 IL2 IL3 50 ms 30 ms 50 ms 30 ms 0...

Page 36: ...e I stage Indicator for the operate time of the I stage Indicator for the start current of the I0 stage Indicator for the operate time t0 or time multiplier k0 of the I0 stage Indicator for the start current of the I0 stage Indicator for the operate time of the I0 stage Indicator for the checksum of switchgroups SGF1 2 Indicator for the checksum of switchgroup SGB Indicator for the checksum of swi...

Page 37: ...tage I0 of the earth fault unit has started 6 I0 TRIP the low set stage I0 of the earth fault unit has operated 7 I0 START the high set stage I0 of the earth fault unit has started 8 I0 TRIP the high set stage I0 of the earth fault unit has operated 9 CBFP the circuit breaker failure protection has operated When one of the protection stages of the relay module operates the indicators for the energ...

Page 38: ... input Setting range 0 1 0 8 x In t0 Operate time of the I0 stage expressed in seconds at definite time characteristic SGF1 6 7 8 0 0 0 Setting range 0 05 300 s k0 Time multiplier k0 of the I0 stage at inverse time characteristic Setting range 0 05 1 00 I0 In Start current of the I0 stage as a multiple of the rated current of the used energizing input Setting range 0 1 10 0 x In Additionally the s...

Page 39: ...SGF1 4 Circuit breaker failure protection CBFP When SGF1 4 1 the trip signal TS2 will start a timer which will generates a delayed operate signal via TS1 if the fault has not been cleared before the operate time has elapsed When switch SGF1 4 0 the circuit breaker failure protection is out of operation SGF1 5 Automatic doubling of the set start current of the high set overcurrent stage I when the ...

Page 40: ...f operation and the display shows SGF2 6 Operation of the high set earth fault stage I0 When SGF2 6 0 the high set stage I0 is alerted When SGF2 6 1 the high set stage I0 is out of operation and the display shows SGF2 7 Start signal of the high set stage I to the auto reclose signal output AR1 When SGF2 7 1 the start signal of the I stage is routed to output AR1 Note Outputs AR1 and SS3 are interc...

Page 41: ... TS2 of the phase overcurrent unit When SGB 6 0 the trip signal returns to its initial state the output relay drops off when the energizing signal causing the operation falls below the set start current When SGB 6 1 the trip signal is latched the output relay remains picked up after operation although the energizing signal falls below the start current The trip signal is to be manually reset by pu...

Page 42: ...of the I stage is routed to TS2 1 8 SGR1 5 When SGR1 5 1 the start signal of the I0 stage is routed to SS1 0 16 SGR1 6 When SGR1 6 1 the operate signal of the I0 stage is routed to TS2 1 32 SGR1 7 When SGR1 7 1 the staring signal of the I0 stage is routed to SS1 0 64 SGR1 8 When SGR1 8 1 the operate signal of the I0 stage is routed to TS2 1 128 Checksum for the factory settings of switchgroup SGR1...

Page 43: ... TS1 0 64 SGR3 8 When SGR3 8 1 the trip signal of the I0 stage is routed to TS1 0 128 Checksum for the factory settings of switchgroup SGR3 0 displayed at the present time is indicated by a LED indicator on the front panel Indicator Measured data IL1 Line current on phase L1 as a multiple of the rated current In of the used energizing input 0 63 x In IL2 Line current on phase L2 as a multiple of t...

Page 44: ...he time counter starts from zero Five start times are memorized If a sixth start occurs the oldest start time is lost When the concerned stage has operated the counter reading is 100 Number of starts of the low set overcurrent stage I n I 0 255 6 Duration of the last start situation of the I stage as a percentage of the set operate time t At any new start the time counter starts from zero Five sta...

Page 45: ...0 Bd 2nd submenu Bus communication monitor If the relay is connected to bus communication unit e g type SRIO 1000M and the communication system is working properly the monitor shows the value zero When the communication system is out of operation the values 0 255 scroll in the monitor 3rd submenu Password for allowing remote changing of setting values The password must always be given via the seri...

Page 46: ...Duration of event n 2 starting of stage I 1 2 6 1 2 Duration of event n 1 starting of stage I Duration of event n 2 starting of stage I Latest memorized event n value of neutral current Io 7 Event n 1 value of current Io Event n 2 value of current Io 1 2 8 1 2 Duration of event n 1 starting of stage Io Duration of event n 2 starting of stage Io 9 Duration of event n 1 starting of stage Io Duration...

Page 47: ... 3 5 6 7 8 9 A Second setting of SGF1 checksum Second setting of SGR1 checksum Selection of main vs second setting 4 Operating time for the CB failure protection 5 The procedures for entering a submenu or a setting mode and the method of performing the settings and the use of the TEST mode are described in detail in the manual General char acteristics of D type relay modules A short form guide to ...

Page 48: ...me in verse characteristic the normal range is 2 7 times the set start current and the relay must start when the current exceeds 1 1 times the setting The following requirements with regard to op erate time tolerances are specified in the stand ard E denotes accuracy in per cent not specified k x β I α I 1 I I Normal inv Very inv Extremely inv Long time inv 2 2 22 E 2 34 E 2 44 E 2 34 E 5 1 13 E 1...

Page 49: ...g mathematical expression t s 5 8 1 35 x loge where t operate time in seconds k time multiplier I measured phase current I set start current The graph of the characteristic is shown in Fig 8 I k x I If the set start current exceeds 2 5 x In the maximum permitted continuous current carry ing capacity of the energizing inputs 4 x In must be observed At inverse time characteristic the effective set t...

Page 50: ... 0 2 0 3 0 4 0 6 0 8 1 0 k 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 40 70 60 50 t s Fig 3 Extremely inverse time characteristics of the overcurrent and earth fault unit SPCJ 4D29 ...

Page 51: ... of the overcurrent and earth fault unit SPCJ 4D29 1 2 3 4 5 6 7 8 9 10 20 I I 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 70 60 50 40 30 t s ...

Page 52: ...s of the overcurrent and earth fault unit SPCJ 4D29 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 1 2 3 4 5 7 8 9 10 20 I I 6 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 t s ...

Page 53: ...ristics of the overcurrent and earth fault unit SPCJ 4D29 1 2 3 4 5 10 20 6 7 8 9 I I 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 80 90 100 200 300 400 500 600 700 t s ...

Page 54: ...s of the overcurrent and earth fault unit SPCJ 4D29 1 2 3 4 5 6 7 8 9 10 20 I I 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 3 4 5 6 7 9 10 20 70 60 50 40 30 t s 2 8 ...

Page 55: ...icsoftheovercurrentandearth faultunitSPCJ4D29 0 6 0 7 0 8 0 9 1 0 k 1 2 3 5 7 8 9 10 20 I I 6 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 7 8 10 20 30 40 50 60 70 t s 30 40 6 9 0 05 4 0 1 0 2 0 4 0 5 0 3 ...

Page 56: ... overcurrent stage I Start current I 0 5 40 0 x In or infinite Start time typ 40 ms Operate time 0 04 300 s Reset time typ 40 ms Retardation time 30 ms Drop off pick up ratio typ 0 98 Operate time accuracy 2 of set value or 25 ms Operation accuracy 3 of set value Low set earth fault stage I0 Start current I0 0 1 0 8 x In Start time typ 60 ms Operation characteristic definite time characteristic op...

Page 57: ...nd operate events are included in the reporting but not the resetting Check for the procedure of a manual calculation of the checksum The output signals are monitored by codes E17 E26andtheseeventscanbeincludedinor excluded from the event reporting by writing an event mask V157 to the module The event mask is a binary number coded to a decimal number The event codes E17 E26 are repre sented by the...

Page 58: ...put signal TS1 activated 1 0 E18 Output signal TS1 reset 2 0 E19 Output signal SS1 activated 4 0 E20 Output signal SS1 reset 8 0 E21 Output signal SS2 activated 16 0 E22 Output signal SS2 reset 32 0 E23 Output signal SS3 activated 64 0 E24 Output signal SS3 reset 128 0 E25 Output signal TS2 activated 256 1 E26 Output signal TS2 reset 512 1 Default checksum for mask V157 768 E50 Restarting E51 Over...

Page 59: ...ed 1 I stage started Operation of stage I O2 R 0 I stage not tripped 1 I stage tripped Starting of stage I O3 R 0 I stage not started 1 I stage started Operation of stage I O4 R 0 I stage not tripped 1 I stage tripped Starting of stage I0 O5 R 0 I0 stage not started 1 I0 stage started Operation of stage I0 O6 R 0 I0 stage not tripped 1 I0 stage tripped Starting of stage I0 O7 R 0 I0 stage not star...

Page 60: ...not active 1 signal active Memorized output signal SS3 O32 R 0 signal not active 1 signal active Memorized output signal TS2 O33 R 0 signal not active 1 signal active PRESENT SETTING VALUES Present start value for stage I S1 R 0 5 5 0 x In Present operate time or time S2 R 0 05 300 s multiplier for stage I 0 05 1 0 Present start value for stage I S3 R 0 5 40 x In 999 not in use Present operate tim...

Page 61: ...um of switchgroup SGF2 S30 R W P 0 255 main setting Checksum of switchgroup SGB S31 R W P 0 255 main setting Checksum of switchgroup SGR1 S32 R W P 0 255 main setting Checksum of switchgroup SGR2 S33 R W P 0 255 main setting Checksum of switchgroup SGR3 S34 R W P 0 255 main setting SECOND SETTING VALUES Start current of stage I S41 R W P 0 5 5 0 x In second setting Operate time or time multiplier ...

Page 62: ...t starting V14 V54 R 0 21 x In or operation Duration of the latest start V15 V55 R 0 100 situation of stage I Duration of the latest start V16 V56 R 0 100 situation of stage I Duration of the latest start V17 V57 R 0 100 situation of stage I0 Duration of the latest start V18 V58 R 0 100 situation of stage I0 Maximum demand current for 15 min V1 R 0 2 5 x In Number of starts of stage I V2 R 0 255 N...

Page 63: ...ode Type designation of the module F R SPCJ 4D29 Reading of module status data C R 0 normal state 1 module been subject to automatic reset 2 overflow of event regist 3 events 1 and 2 together Resetting of module state data C W 0 resetting Time reading and setting T R W 00 000 59 999 s The event register can be read by L command only once Should a fault occur e g in the data transfer the contents o...

Page 64: ...n module 4 Faulty trip relay path or missing output relay card 30 Faulty program memory ROM 50 Faulty work memory RAM 51 Parameter memory EEPROM block 1 faulty 52 Parameter memory EEPROM block 2 faulty 53 Parameter memory EEPROM block 1 and block 2 faulty 54 Parameter memory EEPROM block 1 and block 2 faulty with different checksums 56 Parameter memory EEPROM key faulty Format by writing a 2 to va...

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Page 68: ...1MRS 750629 MUM EN ABB Oy Distribution Automation P O Box 699 FI 65101 Vaasa FINLAND Tel 358 0 10 22 11 Fax 358 0 10 22 41094 www abb com substationautomation ...