ABB REX 521 - Page 31

1MRS751802-MUM
REX 521
31
Protection Relay
Technical Reference Manual, Standard Configurations
Fig. 3.2.1.2.-1 Block diagram of the standard configuration M01 for REX 521
Selector
Input SWGRPs
Input signals
Digital
inputs
Terminal
c
onnection
Output SWGRPs
Output signals
Output relays
Function blocks
Interlocking
scheme
3I>
BS1 BS2 GROUP RESET
CBFP
START
TRIP
CBFP
3I>>>
CBFP
BS1 BS2 GROUP DOUBLE RESET
BSOUT
START
TRIP
CBFP
GROUP
START
3I
2f
/I
1f
>
3dI/dt>
3I2f>
BS1 BS2 GROUP RESET
START
TRIP
CBFP
Iub>
CBFP
3DI>
BLOCK (BS) GROUP RESET
START
TRIP
CBFP
CU_ALARM
3Ith>
3 J> Cab
I<->O CB1
OPEN CLOSE CLOSEENA BINOPEN BINCLOSE
OOPEN
OCLOSE
AOPEN
ACLOSE
3I
IL1 IL2 IL3
I<->O IND1
BINOPEN BINCLOSE
I<->O IND2
BINOPEN BINCLOSE
OPEN BINOPEN BINCLOSE
ALARM
CB wear
TCSSTATE BS
ALARM
TCS1
ALARM
MCS 3I
TRIGG RESET
HAR_HIGH
CUM_HIGH
PQ 3Inf
3I>>
CBFP
BS1 BS2 GROUP DOUBLE RESET
BSOUT
START
TRIP
CBFP
CBFP
BACTRL BS1 BS2 GROUP RESET
START
TRIP
CBFP
Io>
BACTRLB S1 BS2 GROUP RESET
START
TRIP
CBFP
Io>>
CBFP
BACTRL BS1 BS2 GROUP RESET
START
TRIP
CBFP
Io>>>
CBFP
I<->O POS
BINREMOTE
Uo
Uo
O/C E/F Iub> 3Ith> PQ 3Inf
BS2 3I> BS2 3I>> BS2 3I>>> BS2 Io>--> BS2 Io>>--> BS2 Io>>>--> BS2 Iub> BS 3Ith>
Master trip
Master trip
Lockout reset
Lockout reset
O/C E/F Iub> 3Ith> PQ 3Inf
O/C E/F Iub> 3Ith>
Io>--> Io>>--> Io>>>-->
DC1
DC2
ES1
ES2
DC2
ES2
DC1
ES1
CBO
TCS BS
CBO
DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 DI9
BS1 3I> BS1 3I>> BS1 3I>>> BS1 Io>--> BS1 Io>>--> BS1 Io>>>--> BS1 Iub>
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith>
1
Lockout
Lockout reset
S
Q
R
Lockout Working
HSPO1
>1
Master Trip
Open
>1
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith>
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith>
Trip 3
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith>
Start 1
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith>
Start 2
3I>> 3I>>>
BSOUT Alarm 1
I<->0 CB1 open I<->0 CB1 close 3Ith> MCS 3I TCS1 PQ 3Inf har PQ 3Inf cum CB wear
Lockout
Close
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith>
CBFP
DREC
IL1 IL2 IL3 Io Iob Uo BI1 BI2 BI3 BI4 BI5 BI6 BI7 BI8 BI9 BI10 BI11 BI12 BI13 BI14 BI15 BI16 EXT_TRG
Start 3I>
Start 3I>>
Start 3I>>>
Start Io>
Start Io>>
Start Io>>>
Start 3Iub>
Start 3Ith>
Trip 3I>
Trip 3I>>
Trip 3I>>>
Trip Io>
Trip Io>>
Trip Io>>>
Trip 3Iub>
Trip 3Ith>
I<->O CB1
Interlocking_A Interlocking_B Interlocking_C Interlocking_D Interlocking_E
CLOSEENA
&
I<->O CB1
Lockout Working
PO1
(X4.1.12/13)
PO2
(X4.1.14/15)
PO3
(X4.1.17/18)
SO1
(X4.1.8/7/6)
SO2
(X4.1.10/11/9)
I<->0 CB1 open I<->0 CB1 close 3Ith> MCS 3I TCS1 PQ 3Inf har PQ 3Inf cum CB wear
Alarm 2
External trip
External trip
External trip
Trip 2
Lockout HSPO1
(X4.2.3/4/1/2)
ConfM01_b
Close enable
Blocking 2 DREC trig PQ 3Inf trig
Logic input 1 Logic input 2
Logic input 3
Reset 2
Reset 1
Group
BACTRL
I<->O IND1
I<->O IND2
SWGRP
X4.2.5/6 X4.2.6/7 X4.2.8/9 X4.2.9/10 X4.2.11/12 X4.2.13/14 X4.2.15/16 X4.2.17/18 X3.1.1/2
Blocking 1
SWGRP
Io
Io
Close
Open
Trip 1
Remote
3I> Start 3I> Trip 3I>> Start 3I>> Trip 3I>>> Start 3I>>> Trip
Io>-> Start Io>-> Trip Io>>-> Start Io>>-> Trip Io>>>-> Start Io>>>-> Trip
DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8
MEAS HI ALARM DI2 DI3 DI4 DI5 DI6 DI7 Interlocking
MEAS LO ALARM MEAS HI ALARM DI3 DI4 DI5 DI6 DI7 Lockout
CB wear TCS1 MCS 3I DI4 DI5 DI6 DI7 DI8
Alarm LED1
Alarm LED2 Alarm LED3
Alarm LED4
Alarm LED5
Alarm LED6
Alarm LED7
Alarm LED8
Iub> Start Iub> Trip 3Ith> Start 3Ith> Trip
DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8
3I2f START
3I2f START
3I2f START
DOUBLE 3I>> DOUBLE 3I>>>
BS2 3I> BS2 3I>> BS2 3I>>> BS2 Io>--> BS2 Io>>--> BS2 Io>>>--> BS2 Iub> BS 3Ith>
BS1 3I> BS1 3I>> BS1 3I>>> BS1 Io>--> BS1 Io>>--> BS1 Io>>>--> BS1 Iub>
3I2f START
CB pos. open CB pos. close DC pos. open DC pos. close ES pos. open ES pos. close