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RESET

STEP

PROGRAM

ALARM

IRF

o

I

L3

I

L2

I

L1

I

∆

I

X1

RS 489 001 - AA

Ser.No.

01234

SPEF 3A2 C

f

n = 50Hz

60Hz

aux

U =24V-

Serial port

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REGISTERS

L1

I

L2

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L3

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I o

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∆

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∆

0

1
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5
6

OPERATION IND.

I

start

>

I

alarm

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I

start

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o

I

alarm

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o

start

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I

∆

alarm

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∆

0

3

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SGF
SGB

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A

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B470959B

SPA

1

18

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A

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A

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SPEF 3A2 C
Fault indicator

User´s manual and Technical description

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Содержание SPEF 3A2 C

Страница 1: ...z aux U 24V Serial port 1 2 3 4 5 6 7 8 REGISTERS L1 I L2 I L3 I t I o I t I o I t I 0 1 2 3 4 5 6 OPERATION IND I start I alarm I start o I alarm o start I alarm I 0 3 I SGF SGB I A s t I o A s t o I s t I I B470959B SPA 1 18 A A A A x SPEF 3A2 C Fault indicator User s manual and Technical description ...

Страница 2: ...02 10 7 Description of function 9 Resetting possibilities 10 Analog outputs for phase current residual current or phase unbalance 10 Front panel 11 Operation indicators 11 Settings 12 Programming switches 13 Measured data 15 Recorded data 16 Main menus and submenus of settings and registers 18 Event codes 20 Data to be transferred over the bus 21 Fault codes 24 Maintenance and repairs 24 Spare par...

Страница 3: ...2 C Alarming functions Three phase definite time overcurrent indicator Definite time earth fault indicator Phase unbalance indicator Serial communication 51 51N 37 I alarm I0 alarm I alarm Analog output Iload Analog output I0 Analog output I IRF SERIAL I O funcblck Control input BS IL1 IL2 IL3 Characteristics Three phaseovercurrentunitwithdefinitetime characteristic Phase unbalance indicator with ...

Страница 4: ...4 X1 15 X1 16 X2 X1 3 X1 2 X1 1 X1 17 X1 18 SGF 1 1 Imax Imin Imax 1s 80ms SGF 1 3 1s 80ms SGF 1 2 X1 7 X1 12 X1 13 SGB 3 SGB 2 SGB 1 IRF t SGF 1 4 1 1s 80ms I X1 6 24 Vdc BLOCK_CO FH3 IL1 IL3 IL2 SPEC 3 KOHU 24A1 Motor drive Disconnector Control unit SPOC 21XC step program Unbalance contact SPST NO Earth fault contact SPST NO step program ALARM Reset Io analog out I analog out Unbal analog out Co...

Страница 5: ...nal Remote reset input BS The fault indicator can be externally reset via the control input Terminal Function X1 12 Input 18 30 Vdc 10 mA floating X1 13 Input Output relays Terminal Function X1 8 For overcurrent closing contact X1 9 For residual current closing contact X1 10 For unbalance closing contact X1 11 Common Internal device fault signal Terminal Function X1 6 Internal device fault At an i...

Страница 6: ...communication connections Current loop connection to SPOC 2XX with cable SPA ZP27A07 Terminal Function X2 2 TxD to SPOC 2XX 0 5 mA X2 8 TxD to SPOC 2XX X2 5 RxD from SPOC 2XX 0 5 20 mA X2 6 RxD from SPOC 2XX SPA logic RS232 connection to PC with cable SPA ZP5A Terminal Function X2 2 TxD output X2 3 RxD input X2 9 10 Vdc supply voltage for SPA ZP5A X2 7 GND Fibre optic bus connection module SPA ZC2...

Страница 7: ... 25 ms Operation accuracy 3 of set value Neutral overcurrent stage I0 Starting current I0 2 20 A Starting time typical 60 ms Operating time t0 0 1 300 s Resetting time typical 60 ms Drop off pick up ratio typical 0 95 Operation time accuracy 2 of set value or 25 ms Operation accuracy 5 of set value and 1 of Iload Summation error is about 1 of measured load current Phase unbalance stage I Starting ...

Страница 8: ...wo meter High frequency interference test voltage inputs and output between them selves and to the fault indicator frame as per Common mode acc to IEC 60255 22 1 2 5 kV 1 MHz Differential mode acc to IEC 60255 2 1 1 kV 1 MHz Common mode acc to ANSI C37 90 1 1989 2 5 kV 1 MHz Fast transient test IEC 60255 22 4 cl III 2 kV Electrostatic discharge test acc to IEC 60255 22 2 cl III contact discharge 6...

Страница 9: ...un this function Earth fault unit Thenon directionalearthfaultindicatorisbased on the sum of phase currents The earth fault stage starts if the energizing current I0 exceeds the set starting level of the stage concerned When starting the concerned stage indicates starting on the display on the front panel If the above mentioned criterions are fulfilled long enough to exceed the set oper ate time t...

Страница 10: ...e alarm signal is always routed to unbal ance contact X1 10 The setting range of the starting current is 10 60 or indicated as The basic operate time is set within the range 1 300 s The operation of the phase unbalance stage I is providedwithalatchingfacility SGF1 6 keep ing the alarm output energized although the signal which caused the operation disappears The output relays may be reset by press...

Страница 11: ...s thus indicating which stage has operated If the start of a stage does not last long enough to cause an alarm the start indication on the display is normally self reset when the stage is reset If needed the start indicators can be given a latching function by means of switches SGF2 1 3 The following table explains the start and alarm indicators on the display Indication nr Explanation 1 I start T...

Страница 12: ... I stage expressed in seconds 0 06 300 s I0 A The starting current of the I0 stage 2 20 A Selection of the operative range expressed in amperes deter 5 A 10 A mined by the max I0 current corresponding to the output 20 A 50 A signal 0 5 V 100 A t0 s The operate time of the I0 stage expressed in seconds 0 1 300 s I Setting I for the unbalance indicator in per cent of the 10 60 highest phase current ...

Страница 13: ...ength of the signal delivered by the I0 stage is 1 s When SGF1 2 1 the minimum pulse length of the signal delivered by the I0 stage is 0 08 s SGF1 3 Choosing the minimum pulse length for the signal delivered by the 0 I stage Note The latching function for the I stage SGF1 6 will overrun this function When SGF1 3 0 the minimum pulse length of the signal delivered by the I stage is 1 s When SGF1 3 1...

Страница 14: ... simultaneously or by using command V101 When the display is off the signals can also be reset by pressing only the PROGRAM push button SGF1 7 The earth fault stage can be set out of operation by means of 0 this switch SGF1 8 The unbalance stage can be set out of operation by means of 0 this switch SGF2 1 Switches SGF2 1 3 are used for selecting the mode of operation 0 SGF2 2 of the start indicato...

Страница 15: ... memorized values are not reset by signal BS When SGB 3 1 the indicators output relays and memorized values are reset by signal BS SGB 4 Reserved for future use 0 SGB 5 Reserved for future use 0 SGB 6 Reserved for future use 0 SGB 7 Reserved for future use 0 SGB 8 Reserved for future use 0 Measured data The measured values are shown by the three right most digits of the display The currently measu...

Страница 16: ...se current L3 n measured in ampere Event n 1 value of line phase current L3 Event n 2 value of line phase current L3 Event n 3 value of line phase current L3 Event n 4 value of line phase current L3 4 Duration of the latest starting situation n of overcurrent stage I as a percentage of the set operating time t When the concerned stage has alarmed the counter reading is 100 per cent Duration of eve...

Страница 17: ...us traffic monitor indicating the operating state of the serial communication system If the module is connected to a system including a control data commu nicatorandifthecommunicationsystemisoperating thecounterreadingofthebus traffic monitor will be zero Otherwise the numbers 0 255 are continuously rolling in the display Password required for the remote control of the settings The password must a...

Страница 18: ...f stage I Status of external relay blocking control signal 0 Communication rate setting Bd Loss of bus traffic time counter 0 255 s Relay unit identification address for communication A 1 2 Start value I 0 000 IRF t to t Duration of event n starting of stage I Duration of event n starting of stage Io Duration of event n starting of stage I SUBMENUS FWD STEP 1 s REV STEP 0 5 s M A I N M E N U R E V...

Страница 19: ...g memorized values STEP PROGRAM output relays Resetting output relays PROGRAM Note Display must be off Event n 3 value of phase L1 Event n 4 value of phase L1 Event n 3 value of phase L2 Event n 4 value of phase L2 Event n 3 value of phase L3 Event n 4 value of phase L3 Duration of event n 3 starting of stage I Duration of event n 4 starting of stage I Event n 3 value of neutral current Duration o...

Страница 20: ...ting of the factor the event E1 Start of stage I 1 1 E2 Start of stage I reset 2 0 E3 Alarm of stage I 4 1 E4 Alarm of stage I reset 8 0 E5 Start of stage I0 16 1 E6 Start of stage I0 reset 32 0 E7 Alarm of stage I0 64 1 E8 Alarm of stage I0 reset 128 0 Default checksum for mask V155 85 E9 Starting of stage I 1 1 E10 Starting of stage I reset 2 0 E11 Alarming of stage I 4 1 E12 Alarming of stage I...

Страница 21: ... 7 times the password turns to zero in which case it is no longer possible to open it via the bus Then the password can be given a new value only by using the push buttons R data to be read from the unit W data to be written to the unit P writing enabled by a password Data Code Data flow Value range direction INPUTS Line current measured on phase L1 I1 R 0 700 A Line current measured on phase L2 I...

Страница 22: ...0 300 s Start value for stage I S5 R W P 10 60 Operate time for stage t S6 R W P 1 00 300 s Checksum of switchgroup SGF1 S7 R W P 0 255 Checksum of switchgroup SGF2 S8 R W P 0 255 Checksum of switchgroup SGB S9 R W P 0 255 Range selector for max phase analog output S10 R W P 10 20 50 100 200 500 A Range selector for I0 analog output S11 R W P 5 10 20 50 100 A RECORDED AND MEMORIZED PARAMETERS Line...

Страница 23: ...odule been subject to automatic reset 2 overflow of event register 3 events 1 and 2 together Resetting of module state data C W 0 resetting Time reading and setting T R W 0 000 59 999 s Date and time reading and setting D R W YY MM DD HH MM SS ms The event register can be read by the L com mand only once If a fault occurs e g in the data transfer the contents of the event register read by the L co...

Страница 24: ... reference channel with multiplier 25 252 The I0 hardware filter is faulty Maintenance and repair When the relay is operating under the condi tions specified in the section Technical data it is practically maintenance free The relay modules include no parts or components sub ject to abnormal physical or electrical wear under normal operating conditions If the environmental conditions at the fault ...

Страница 25: ...ed onto a standard DIN rail The fault indicator must be earthed via protec tive earth terminal on the enclosure X1 140 0 117 0 φ 4 5 107 0 120 0 DIM1 DRW 81 0 95 35 0 Ordering numbers SPEF 3A2 C AA RS 489 001 AA SPEF 3A2 C BA RS 489 001 BA The last letters of the ordering number indicate the rated frequency AA fn 50 Hz BA fn 60 Hz Information required with order Example 1 Quantity and type designa...

Страница 26: ...26 ...

Страница 27: ...27 ...

Страница 28: ...1MRS 751719 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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