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REJ 513
2.1.2
16
User's Guide
Configuration
The figure below illustrates how the start, trip and binary input signals can be
configured so that the required protection functions are obtained.
BI
X2.1
17 18
IL1
SGB1
5
IL2
IL3
6
SGB1
1
SGB1
INDICATORS RESET
2
SGB1
SGB1
3
Figure 2.1.2-1 Signal diagram of the overcurrent relay
The functions of the blocking and start signals are selected with the switches of
switchgroups SGF, SGB and SGR. The functions of these switches are explained in
detail in the corresponding SG_ - tables.
IRF
13 14 15
IRF
SGR1
START
3I>
SGR2
Blocking of stage I>
TRIP
SGR3
START
3I>>
SGR4
TRIP
Blocking of stage I>>
RELAYS RESET
I/O
MEMORIZED VALUES
RESET
SGF1-3
ABB Substation Automation
Products and Systems
SO2
SO1
PO2
5 6
10 11 12
7 8 9
4
3
4
3
4
3
4
3
1MRS750613-MUM
PO1
3 4
2
1
1
2
2
1
2
1
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