ABB REX 521 - Page 46

46
1MRS751802-MUM
Protection Relay
Technical Reference Manual, Standard Configurations
REX 521
Fig. 3.3.4.2.-1 Block diagram of the standard configuration H04 for REX 521
CB pos. open CB pos. close DC pos. open DC pos. close ES pos. open ES pos. close
Selector
Output SWGRPs
Output signals
Output relay
s
Function blocks
Input SWGRPs
Input signals
Digital
inputs
Terminal
c
onnection
*) NOTE! The trip and start signals from the protection function blocks are routed directly to the auto-recloser (O->I) via the input switchgroups of the auto-recloser and are not shown in the diagram.
Interlocking scheme
Trip 2
Start 1
3I>> 3I>>>
BSOUT
I<->0 CB1 open I<->0 CB1 close 3Ith> MCS 3I TCS1 PQ 3Inf har PQ 3Inf cum CB wear MCS 3U PQ 3Unf har PQ 3Unf cum
Lockout
PO1 PO2
PO3
SO1
SO2
(X4.1.12/13) (X4.1.14/15)
(X4.1.17/18) (X4.1.8/7/6)
(X4.1.10/11/9)
Close
RCLOSE
CLOSE
>1
1
Lockout
S
Q
R
Lockout Working
HSPO1
>1
Master Trip
Open
Ropen
SHOT1 SHOT2 SHOT3 SHOT4 SHOT5 TRDUE TDDUE ACTIVE
O-->I Active
AR1TRIP AR2TRIP AR3TRIP AR4TRIP CBFAIL DEFTRIP LOCKOUT SHOT_ALARM
O-->I Alarm 1
AR1TRIP AR2TRIP AR3TRIP AR4TRIP CBFAIL DEFTRIP LOCKOUT SHOT_ALARM
CBFP
CBO
Master trip
Master trip
Lockout reset
Lockout reset
PQ 3Inf trig
O/C E/F Iub> 3Ith> f1
Blocking 1
Io>--> Io>>--> Io>>>-->
BACTRL
DC1
DC2
ES1
ES2
DC2
ES2
DC1
ES1
TCS BS
CBO
DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 DI9
O-->I Ext. start O-->I Ext. trip
O-->I
AR1 AR2 AR3 AR4
*)
I<->O CB1
Interlocking_A Interlocking_B Interlocking_C Interlocking_D Interlocking_E
CLOSEENA
&
Lockout Working
I<->O CB1
Close enable
External trip
External trip
External trip
DOUBLE 3I>> DOUBLE 3I>>> DOUBLE 3I>->
3I2f START
3I2f START
3I>
BS1 BS2 GROUP RESET
CBFP
START
TRIP
CBFP
3I>>>
CBFP
BS1 BS2 GROUP DOUBLE RESET
BSOUT
START
TRIP
CBFP
GROU
P
START
3I
2f
/I
1f
>
3dI/dt>
3I2f>
BS1 BS2 GROUP RESET
START
TRIP
CBFP
Iub>
CBFP
3DI>
BLOCK GROUP RESET
START
TRIP
CBFP
CU_ALARM
3Ith>
CBFP
3
J> Cab
I<->O CB1
OPEN OPENENA CLOSE CLOSEENA BINOPEN BINCLOSE
OOPEN
OCLOSE
AOPEN
ACLOSE
3I
IL1 IL2 IL3
Io
Io
I<->O IND1
BINOPEN BINCLOSE
I<->O IND2
BINOPEN BINCLOSE
I<->O POS
BINLOCAL BINREMOTE
OPEN BINOPEN BINCLOSE
ALARM
CB wear
ALARM
TCS1
TCSSTAT
E
BS
ALARM
MCS 3I
TRIGG RESET
HAR_HIGH
CUM_HIGH
PQ 3Inf
Uo
Uo
REX 521
3I>>
CBFP
BS1 BS2 GROUP DOUBLE RESET
BSOUT
START
TRIP
CBFP
CBFP
Io>
BACTR LBS1 BS2 GROUP RESET
START
TRIP
CBFP
BACTRL BS1 BS2 GROUP RESET
START
TRIP
CBFP
Io>>
CBFP
BACTRL BS1 BS2 GROUP RESET
START
TRIP
CBFP
Io>>>
CBFP
O-->I
AR1 AR2 AR3 AR4 ARINH CBOPEN CBCLOSE ON RESET
OPEN
CLOSE
DEFTRIP
LOCKOUT
3U
UL1_U12 UL2_U23 UL3_U31
PQE
f
TRIGG RESET
HAR_HIGH
CUM_HIGH
PQ 3Unf
ALARM
MCS 3U
Io>
CBFP
BS1 BS2 GROUP RESET
START
TRIP
CBFP
Io>>
CBFP
BS1 BS2 GROUP RESET
START
TRIP
CBFP
Io>>>
CBFP
BS1 BS2 GROUP RESET
START
TRIP
CBFP
DREC
IL1 IL2 IL3 Io Iob Uo U12 U23 U31 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 Io>
Start Io>>
Start Io>>>
Start Iub>
Start 3Ith>
Start 3I>-->
Start 1 f1 Start 2 f1
Trip1 Trip2
O/C dir E/F Iub> 3Ith> PQ 3Inf O-->I PQ 3Unf E/F f1
BS1 3I> BS1 3I>> BS1 3I>>> BS1 Io>--> BS1 Io>>--> BS1 Io>>>--> BS1 Iub> BS1 Io> BS1 Io>> BS1 Io>>> BS1 3I>--> BS1 f1
BS2 3I> BS2 3I>> BS2 3I>>> BS2 Io>--> BS2 Io>>--> BS2 Io>>>--> BS2 Iub> BS 3Ith> BS2 Io> BS2 Io>> BS2 Io>>> BS2 3I>--> BS2 f1
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith> Io> Io>> Io>>> 3I>-->
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith> Io> Io>> Io>>> 3I>--> f1 Start 1 f1 Start 2
I<->0 CB1 open I<->0 CB1 close 3Ith> MCS 3I TCS1 PQ 3Inf har PQ 3Inf cum CB wear MCS 3U PQ 3Unf har PQ 3Unf cum
Blocking 2 DREC trig Logic input 1 Logic input 2 Logic input 3 Reset 2
SWGRP
Reset 1
Group
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
O-->I INH O-->I ON
PQ 3Unf trig
Trip 3 Start 2 Alarm 1
Alarm 2
Lockout HSPO1
Lockout reset
(X4.2.3/4/1/2)
O-->I Alarm 2
>1
Trip 1
Close
Open
Remote
3I> Start 3I> Trip 3I>> Start 3I>> Trip 3I>>> Start 3I>>> Trip 3i>--> Start 3I>--> Trip
Io>--> Start Io>--> Trip Io>>--> Start Io>>--> Trip Io>>>--> Start Io>>>--> Trip
O->I OPEN O->I ACTIVE O->I ALAR1 O->I ALAR2 DI1 DI2 DI3 DI4
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 MCS 3U DI5 DI6 DI7 DI8
Alarm LED1
Alarm LED2
Alarm LED3
Alarm LED4
Alarm LED5
Alarm LED6
Alarm LED7
Alarm LED8
Io> Start Io> Trip Io>> Start Io>> Trip Io>>> Start Io>>> Trip
f1 Start 1 f1 Trip 1 f1 Start 2 f1 Trip 2 Iub> Start Iub> Trip 3Ith> Start 3Ith> Trip
BS1 BS2 GROUP RESET
START1
TRIP1
START2
TRIP2
f1
f< f>
df/dt< df/dt>
3I2f START
BS1 3I> BS1 3I>> BS1 3I>>> BS1 Io>--> BS1 Io>>--> BS1 Io>>>--> BS1 Iub> BS1 Io> BS1 Io>> BS1 Io>>> BS1 3I>--> BS1 f1
BS2 3I> BS2 3I>> BS2 3I>>> BS2 Io>--> BS2 Io>>--> BS2 Io>>>--> BS2 Iub> BS 3Ith> BS2 Io> BS2 Io>> BS2 Io>>> BS2 3I>--> BS2 f1
3I2f START
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith> Io> Io>> Io>>> 3I>--> f1 Start 1 f1 Start 2
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith> Io> Io>> Io>>> 3I>--> f1 Trip 1 f1 Trip 2
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith> Io> Io>> Io>>> 3I>--> f1 Trip 1 f1 Trip 2
3I> 3I>> 3I>>> Io>--> Io>>--> Io>>>--> Iub> 3Ith> Io> Io>> Io>>> 3I>--> f1 Trip 1 f1 Trip 2
O/C dir E/F Iub> 3Ith> PQ 3Inf O-->I PQ 3Unf E/F f1
ConfH04_a
CBFP
BACTRL BS1 BS2 GROUP RESET
START
TRIP
CBFP
3I>