ABB REX 521 - Page 71

1MRS751802-MUM
REX 521
71
Protection Relay
Technical Reference Manual, Standard Configurations
Fig. 4.4.1.-4 Description of the output signal routing diagram
Open
1
Lockout working
Lockout
S
R
Lockout
HSPO1
Q
Trip 1
Trip 2
Trip 3
CBFP
Start 1
Start 2
BSOUT
Alarm 1
HSPO1
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)
(X4.2.3/4/1/2)
OutputOverview
Master trip
Lockout reset
External trip
³1
Close
RCLOSE
CLOSE
Lockout
3I>>
3I>>>
Alarm 2
3I>
3I>>
3I>>>
Io>-->
Io>>-->
Io>>>-->
Iub>
3Ith>
3I>
3I>>
3I>>>
Io>-->
Io>>-->
Io>>>-->
Iub>
3Ith>
3I>
3I>>
3I>>>
Io>-->
Io>>-->
Io>>>-->
Iub>
3Ith>
3I>
3I>>
3I>>>
Io>-->
Io>>-->
Io>>>-->
Iub>
3Ith>
3I>
3I>>
3I>>>
Io>-->
Io>>-->
Io>>>-->
Iub>
3Ith>
3I>
3I>>
3I>>>
Io>-->
Io>>-->
Io>>>-->
Iub>
3Ith>
I<->0 CB1 open
I<->0 CB1 close
3lth>
3I MCS
TCS
PQ 3Inf har
PQ 3Inf cum
CB wear
I<->0 CB1 open
I<->0 CB1 close
3lth>
3I MCS
TCS
PQ 3Inf har
PQ 3Inf cum
CB wear
³1
³1
Output
switchgroups
Output relays
High speed
tripping contact
Output signals
Lockout function