ABB SPAU 140 C Скачать руководство пользователя страница 5

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Blocking input
BS13

Blocking input
BS23

Closing command
signal CS13

Closing command
signal CS23

Closing signal
CB13

Closing signal
CB23

Alarm

IRF

Serial communication I/O

Voltage-check function

Serial communication

Continuous/ Command
mode operation

Synchro-check
funktion

Two identical operation
stages

Fig. 1. Supervision functions of synchro-check relay SPAU 140 C. The encircled numbers refer to
the ANSI number of the concerned function. (ANSI = American National Standards Institute)

Содержание SPAU 140 C

Страница 1: ... t CB23 RS 488 Ser No SPAU 140 C Uaux REGISTERS OPER IND 0 0 0 0 0 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 CB13 CB23 2 5 1010B 80 265V 18 80V fn 50Hz 60Hz 13 ϕ 23 ϕ 13 f 23 f 3 f n U 100V 110V 1 U n U 2 U n U 3 U n U NC23 CSF13 CSF23 MODE NC13 SPCU 3D45 SPAU 140 C Synchro check relay User s manual and Technical description ...

Страница 2: ...ssioning and testing 16 Maintenance and repairs 18 Exchange and spare parts 18 Order numbers 18 Order data 18 Dimensions and instructions for mounting 19 In addition to this general description the following documents are included in the complete manual Synchro check relay module type SPCU 3D45 1MRS 750195 MUM EN General characteristics of D type SPC relay modules 1MRS 750066 MUM EN 1MRS 750315 MU...

Страница 3: ...ynchro check relay gives the close permission to another module e g the control module and command mode operation for applications where the re lay closes the circuit breaker via its own control output Alarm signal for failed CB closing at command mode operation Continuous self supervision of both hardware and software Serial port for connecting the relay to the elec trical or optical SPA bus The ...

Страница 4: ...hronizing conditions is checked so as to en sure that they will still be met when the con tacts of the circuit breaker close This duration is determined on the basis of the frequency and phase difference measured Depending on the circuit breaker and the closing system the de lay from the moment the closing signal is given until the circuit breaker finally closes is about 50 250 ms The CB operate t...

Страница 5: ... Alarm IRF Serial communication I O Voltage check function Serial communication Continuous Command mode operation 25 Synchro check funktion Two identical operation stages Fig 1 Supervision functions of synchro check relay SPAU 140 C The encircled numbers refer to the ANSI number of the concerned function ANSI American National Standards Institute ...

Страница 6: ...1 T2 T3 T4 T5 T6 1 SGR 3 BS13 CS13 BS23 CS23 SGB 4 SGB 3 BS13 BS23 CB13 CB23 U3 U2 SPA ZC_ X1 X2 X3 SC13 VC13 SC23 VC23 SPAU 140 C 100V 110V 100V 100V 110V 110V CS13 CS23 SERIAL PORT U1 U2 U3 Connection diagram Fig 2 Complete connection diagram for the synchro check relay SPAU 140 C The switches for configuring the control signals of the output relays and the external blocking control inputs are i...

Страница 7: ...sion close command stage 1 CB23 Circuit breaker close permission close command stage 2 ALARM Signal output BS13 Blocking signal for stage 1 BS23 Blocking signal for stage 2 CS13 Control signal request for CB closing stage 1 CS23 Control signal request for CB closing stage 2 X1 Synchro check relay module SPCU 3D45 X2 Power supply and output relay module SPTU 240 R4 or SPTU 48 R4 X3 Input module SPT...

Страница 8: ...cted no control signal need be applied to the relay Switch 4 of switchgroup SGB is used for select ing the desired mode of operation Default setting of stage 2 continuous mode operation 68 69 At command mode operation the alarm signal for failed circuit breaker closing NC13 and NC23 and for CB close request signals that have remained activated CSF13 and CSF23 is received via output relay A at comm...

Страница 9: ...140 C performs a voltage check as the line AB is deenergized U1 Umax U3 Umin After verifying that the line AB is dead and that the energizing direc tion is correct the relay energizes the line U1 U3 by closing circuit breaker A Then the PLC of the power plant discovers that the line has been energized and sends a signal to the other synchro check relay to close circuit breaker B Since both sides o...

Страница 10: ...fail SGR 1 1 that is the cir cuit breaker is not closed within the preset time an alarm signal will be received through con tact A A blocking voltage applied to the blocking in put BS13 SGB 1 1 over the auxiliary contact of the miniature circuit breaker prevents the synchro check relay from performing the volt age check function when the miniature circuit breaker trips It is very important that th...

Страница 11: ...s between the modules of the synchro check relay SPAU 140 C and the configuration switches U1 U2 U3 Measured voltages CB13 Close permission close command stage 1 CB23 Close permission close command stage 2 ALARM Alarm signal from stages 1 and 2 BS13 External blocking signal to stage 1 BS23 External blocking signal to stage 2 CS13 External control signal to stage 1 request for CB closing CS23 Exter...

Страница 12: ...1 minute after the self su pervision system has detected a permanent fault At the same time as the LED goes on the relay module delivers a control signal to the output relay of the self supervision system In most cases a fault code that shows the nature of the fault appears on the display of the relay module This fault code that consists of a red digit 1 and a green code number cannot be reset fro...

Страница 13: ...Technical data Energizing inputs 100 V 110 V Energizing inputs 13 14 16 17 19 20 13 15 16 18 19 21 Rated voltage 100 V 110 V Continuous voltage withstand 2 0 x Un Burden at rated voltage 0 5 VA Rated frequency 50 Hz 60 Hz Permissible frequency range 45 65 Hz Output contacts Terminals 85 86 87 88 rated voltage 250 V ac dc carry continuously 5 A make and carry for 0 5 s 30 A make and carry for 3 0 s...

Страница 14: ...lled by stage 1 0 05 0 25 s Operate time tCB23 of CB controlled by stage 2 0 05 0 25 s Voltage check function Upper voltage level threshold Umax the same as for the synchro check function Setting range 0 5 1 0 x Un Lower voltage level threshold Umin Setting range 0 1 0 8 x Un Energizing direction Selectable energizing directions for stage 1 both dead or U1 U3 or U1 U3 U1 U3 U1 U3 U1 U3 or U1 U3 Se...

Страница 15: ...15 03 2 kV 50 Hz 1 min Impulse test voltage inputs and outputs between themselves and to the relay frame as per IEC 255 5 and SS 436 15 03 5 kV 1 2 50 µs 0 5 J Insulation resistance as per IEC 255 5 100 MΩ 500 V dc Disturbance tests High frequency interference test voltage inputs and outputs between themselves and to the relay frame as per IEC 255 22 1 and SS 436 15 03 2 5 kV 1 MHz Fast transients...

Страница 16: ...ortant that the wiring from the voltage transformers to the ter minals on the rear of the relay is consistent re garding the energizing inputs U1 U2 and U3 The table below shows the energizing inputs and the related terminals Energizing input U1 100 V Energizing input U2 100 V Energizing input U3 100 V Terminal 13 16 19 14 17 20 Energizing input U1 110 V Energizing input U2 110 V Energizing input ...

Страница 17: ... submenu of register 0 The miniature circuit breakers of the measur ing circuit and the blocking function can be tested as follows Enable blocking of the stages by selecting the checksum 3 for the switchgroup SGB Then stage 1 is blocked by the signal BS13 and stage 2 by the signal BS23 Configure switchgroup SGF so that the check sum is 136 Then the stages operate when the operate time tvc expires ...

Страница 18: ...tection relay contains circuits that are sensitive to electrostatic discharge If you have to withdraw a relay module ensure that you are at the same potential as the module for instance by touching the case Note Static protective relays are measuring instru ments and should be handled with care and pro tected against moisture and mechanical stress especially during transport Exchange and spare par...

Страница 19: ...relay case is made of anodized profile alu minium and finished in beige The rubber gasket fitted to the mounting collar provides an IP 54 degree of protection by en closure between the relay case and the mount ing base The hinged cover of the case is made of trans parent UV stabilized polycarbonate polymer and provided with a sealable locking screw The rubber gasket of the cover provides an IP 54 ...

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Страница 21: ...SGB SGF SPCU 3D45 PROGRAM RESET STEP IRF 1 U 0108A 2 U 3 U U f ϕ U ϕ f max U n U min U n U t n U VC SGR t CB13 t CB23 SPCU 3D45 Synchro check relay module User s manual and Technical description ...

Страница 22: ...separate circuit breakers to be checked at the same time Synchro check function available in both opera tion stages for energized networks Voltage check function available in both opera tion stages for energized and non energized net works Two different operation modes in both stages continuous mode operation and command mode operation Alarm from the command mode operation if the closing command a...

Страница 23: ...he closing conditions between bus voltage U1 and line voltage U3 and operation stage 2 similarly checks the closing conditions between bus voltage U2 and line voltage U3 Figure 1 shows a simplified block diagram of the synchro check module SPCU 3D45 with measured bus and line voltages and check functions Fig 1 A simplified block diagram of synchro check module SPCU 3D45 and check functions Synchro...

Страница 24: ...2 and U3 Operate time of circuit breakers tCB13 and tCB23 The operate time of the circuit breaker controlled by a specific stage is separately set for the stage concerned In applications where the closing signal of the stage is not used di rectly for circuit breaker closing but as a com mand signal to the control module CM the total operate time for closing is set by calcu lating the operate time ...

Страница 25: ...network is considered to be ener gized The set threshold voltage value is the same for the voltage check function of both stages The set threshold value applies to the synchro check function as well The threshold value Umin below which the measured bus line network voltage must be before the network is considered to be non energized The set threshold voltage value is the same for the voltage check...

Страница 26: ... for the cir cuit breaker are checked by the synchro check and voltage check functions In addition to the closing command conditions the delivering of the final closing signal depends on the opera tion mode selected for the synchro check relay Selection of the operation mode depends on whether the synchro check relay itself directly uses the output signal to close the circuit breaker command mode ...

Страница 27: ...trol output resets even if the closing conditions are valid Should the blocking signal be active at the moment when the closing conditions come into force no clos ing signal will be delivered The principal reali zation of the closing operation system with the synchro check relay in the continuous mode operation is presented in figure 4 SC Synchro check relay CM Control module Command signal CM SC ...

Страница 28: ...red closing signal is at least 100 ms how ever not longer than the set maximum param eter value The minimum length of the signal depends on the duration of the delivered exter nal command signal and the duration of the valid closing conditions If the delivered com mand signal disappears or the closing conditions end before the maximum length of the com mand signal the output resets and the closing...

Страница 29: ...ant in systems according to figure 5 where the duration of the closing signal al ways is shorter than the set tpulse time The con trol module receives information about the cir cuit breaker status and thus is able to adjust the command signal to be delivered to the synchro check relay and at the same time the length of the closing signal If the external command sig nal CS13 still is active when th...

Страница 30: ...e set and then activated again By removing the external command signal too early the started closing command sequence can be interrupted and the supervision stage can be reset to original state If the command signal CS13 is removed before the checking time tcheck has elapsed and the closing operation has not been enabled the sequence resets and no alarm of the failed closing attempt is delivered T...

Страница 31: ...SF13 SGR 1 SGR 3 1 1 SPCU 3D45 T1 T3 T5 SGB 1 Umax Umax Umin 1 U2 SGB 2 SGF 5 SGF 6 BS23 CS23 SGF 8 SGR 5 SGR 7 SGB 4 T2 CB23 NC23 CSF23 T4 T6 cond13 out13 cond23 out23 2 1 U f ϕ U f ϕ U13 f13 ϕ13 tvalid13 ϕ23 f23 U23 tVC tVC tCB23 tvalid23 Command operation SGF 7 Fig 9 Block schematic diagram for the synchro check module SPCU 3D45 ...

Страница 32: ...ndicator for closing operation T1 T2 T3 T4 T5 T6 Operation indicators indicated on the display cond13 Closing conditions for stage 1 cond 23 Closing conditions for stage 2 out13 Output signal from stage 1 in command mode operation out23 Output signal from stage 2 in command mode operation NC13 Alarm for failed closing attempt from stage 1 NC23 Alarm for failed closing attempt from stage 2 CSF13 Al...

Страница 33: ...e operation 6 CSF23 Alarm of external command signal CS23 command mode operation The self supervision alarm indicator IRF indi cates that the self supervision system has de tected a permanent fault The red LED indica tor is lit about one minute after the fault has been detected At the same time the plug in module delivers a signal to the output relay of the self supervision system in the protectio...

Страница 34: ...wed for closing operation in 0 05 300 s 0 05 s command mode operation submenu of tvc step 0 01 s tpulse Maximum length of closing signal in command 0 2 20 s 0 2 s mode operation submenu of tvc step 0 02 tCB13 Operate time of circuit breaker operated by stage 1 0 05 0 25 s 0 05 s step 0 01 s Note When the display shows the indication it indicates that the synchro check and voltage check functions o...

Страница 35: ...3 0 1 U1 U3 1 1 U1 U3 or U1 U3 SGF 3 Selection of synchro check function of stage 1 0 When SGF 3 1 the synchro check function is enabled When SGF 3 0 the synchro check function is disabled SGF 4 Selection of voltage check function of stage 1 0 When SGF 4 1 the voltage check function is enabled When SGF 4 0 the voltage check function is disabled SGF 5 Selection of energizing direction for stage 2 i...

Страница 36: ...onditions are fulfilled and the external command signal CS13 is active When SGB 3 0 continuous mode operation is selected for stage 1 Stage 1 delivers the closing signal CB13 when the closing conditions for the circuit breaker are fulfilled SGB 4 Selection of operation mode for stage 2 0 When SGB 4 1 command mode operation is selected for stage 2 Stage 2 does not close the circuit breaker until th...

Страница 37: ...output relay ALARM and the corresponding operation figure is indicated on the display When SGR 3 0 the alarm signal CSF13 is blocked SGR 4 Switch is not in use The switch should be in position 0 0 SGR 5 When SGR 5 1 the alarm signal NC23 of stage 2 for a failed CB closing 0 is delivered to the output relay ALARM and the corresponding operation figure is indicated on the display When SGR 5 0 the al...

Страница 38: ...llows No sign U1 leads U3 U1 lags U3 Note The red submenu digit 1 2 or 3 is substituted by a minus sign if the voltage frequency or phase angle difference is negative U2 Bus voltage U2 as a multiple of the rated voltage Un Submenu 1 Voltage difference between voltages U2 and U3 U2 U3 as a multiple of the rated voltage Un Submenu 2 Frequency difference between voltages U2 and U3 The sign indication...

Страница 39: ...n is per formed by the synchro voltage check function of stage 2 or the voltage check func tion of stage 1 the readout is stored in a memory Submenus 1 4 Phase angle difference value ϕ13 at the closing operation events n 1 n 4 5 Phase angle difference between voltages U2 and U3 If the closing operation is per formed by the synchro voltage check function of stage 1 or the voltage check func tion of...

Страница 40: ...n the set value ϕ the closing conditions 4 3 and 2 are also valid 0 All closing conditions in the synchro check function are fulfilled The operate time of the circuit breaker is shorter than the valid time for the closing conditions calculated from the frequency and phase angle difference The relation between frequency and phase angle difference is as follows tvalidx3 ϕ 180 f and tvalidx3 tCBx3 tv...

Страница 41: ...nitor will be 0 Otherwise the numbers 0 255 are continuously rolling in the counter Submenu 3 Password required for remote setting The password given in the setting mode of a submenu must always be entered via the serial communication before the settings can be altered remotely Submenu 4 Status information for the main second setting bank The selection menu status for settings is used for activati...

Страница 42: ...illed conditions 0 Communication rate setting Bd Loss of bus traffic time counter 0 255 s Relay unit identification address for communication A 1 2 A 1 Event n 1 value of U2 Event n 2 value of U2 Latest memorized event n value of U2 1 2 1 Latest memorized event n value of 13 Event n 1 value of 13 Event n 2 value of 13 6 6 1 2 Event n 1 value of f3 Event n 2 value of f3 Latest memorized event n val...

Страница 43: ...ers which can be set in the setting mode are indicated with the symbol Event n 3 value of U1 3 4 Event n 4 value of U1 Event n 3 value of 13 Event n 4 value of 13 4 3 Event n 3 value of 23 Event n 4 value of 23 4 3 Main setting value for t pulse 4 3 Second setting value for t check Second setting value for t pulse 5 6 Second setting value for t VC Event n 3 value of f23 Event n 4 value of f23 3 4 ...

Страница 44: ...e difference measurable when the voltage 0 15 x Un Voltage check function Upper threshold voltage Umax the same as for synchro check function Setting range 0 5 1 0 x Un Resolution 0 01 x Un Lower threshold voltage Umin Setting range 0 1 0 8 x Un Resolution 0 01 x Un Selectable energizing directions Stage 1 both cold or U1 U3 or U1 U3 U1 U3 U1 U3 U1 U3 or U1 U3 Stage 2 both cold or U2 U3 or U2 U3 U...

Страница 45: ...gnals are included in the event reporting The status of the output signals is monitored by codes E21 E26 and the events representing these can be included in or excluded from the event reporting by writing an event mask V157 to the relay module The event mask may have a value within the range 0 63 and the default value of the relay module is 63 Thus all opera tions of the output signals and status...

Страница 46: ...0 E21 Output signal CB13 activated 1 1 E22 Output signal CB13 reset 2 1 E23 Output signal CB23 activated 4 1 E24 Output signal CB23 reset 8 1 E25 Output signal ALARM activated 16 1 E26 Output signal ALARM reset 32 1 Default value of event mask V157 63 E50 Restart of microprocessor E51 Overflow of event register E52 Temporary interruption in data communication E53 No response from the relay module ...

Страница 47: ...able Measured phase angle difference value U1 U3 I9 R 0 180 999 not measurable Measured phase angle difference value U2 U3 I10 R 0 180 999 not measurable External command signal CS13 I11 R 0 not active 1 active External command signal CS23 I12 R 0 not active 1 active External blocking signal BS13 I13 R 0 not active 1 active External blocking signal BS23 I14 R 0 not active 1 active Output data Star...

Страница 48: ...0 02 0 50 Hz Operate time dead time tVC S26 R W P 0 10 20 s Check time in command mode operation tcheck S27 R W P 0 05 300 s Closing signal length tpulse S28 R W P 0 2 20 s only in command mode operation Operate time of circuit breaker tCB13 stage 1 S29 R W P 0 05 0 25 s Operate time of circuit breaker tCB23 stage 2 S30 R W P 0 05 0 25 s Checksum of switchgroup SGF S31 R W P 0 255 Checksum of swit...

Страница 49: ... 45 00 65 00 Hz V36 V46 999 not measurable V56 Frequency difference f13 V17 V27 R 0 00 20 0 Hz V37 V47 999 closing by stage 2 V57 or closing by voltage check function in stage 1 Frequency difference f23 V18 V28 R 0 00 20 0 Hz V38 V48 999 closing by stage 1 V58 or closing by voltage check function in stage 2 Stage and function for closing V19 V29 R 1 SC13 2 VC13 V39 V49 4 SC23 8 VC23 V56 Number of ...

Страница 50: ...W P 1 display segment test 2 initialization of EEPROM and power reset Internal fault code V169 R 0 255 Data communication address of the module V200 R W Data transfer rate V201 R W 4800 or 9600 Bd R 4 8 or 9 6 kBd W Program version V205 R 076_ Reading of event register L R Time channel number and event code Re reading of event register B R Time channel number and event code Type designation of the...

Страница 51: ...values S1 S13 are values used by the checking functions All main settings S21 S33 and second settings S41 S53 can be read and written The condition for writing is that the remote set password has been opened When a setting value is changed either by means of the push buttons on the front panel or over the serial communication bus the relay mod ule checks whether the given parameter value is legal ...

Страница 52: ...meter memory EEPROM for block 1 and 2 with different checksums 56 Faulty parameter memory EEPROM key 195 Too low a value in reference channel with multiplier 1 131 Too low a value in reference channel with multiplier 5 67 Too low a value in reference channel with multiplier 25 203 Too high a value in reference channel with multiplier 1 139 Too high a value in reference channel with multiplier 5 75...

Страница 53: ...ng output signals No indication Self supervision IRF Setting Umax Closing signal CB13 Setting Umin Closing signal CB23 Setting U Alarm signal NC13 Setting ϕ Alarm signal CSF13 Setting f Alarm signal NC23 Setting tVC Alarm signal CSF23 The selected output signal is activated by simul taneous pressing of the push buttons STEP and PROGRAM The signal remains activated as long as the two push buttons a...

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Страница 55: ... 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 ...

Страница 56: ... 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 ...

Страница 57: ...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...

Страница 58: ... 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...

Страница 59: ... 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...

Страница 60: ...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...

Страница 61: ...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...

Страница 62: ... 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...

Страница 63: ...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...

Страница 64: ...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 ...

Страница 65: ...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...

Страница 66: ...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...

Страница 67: ...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...

Страница 68: ...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 ...

Страница 69: ...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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Страница 72: ...1MRS 750315 MUM EN ABB Oy Substation Automation P O Box 699 FIN 65101 VAASA Finland Tel 358 0 10 22 11 Fax 358 0 10 22 41094 www abb com substationautomation ...

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