Block Diagram - ABB SPAC 536 C User Manual

Block diagram

IL1
I>
IL2
IL3
SGB / 1
SGB / 2
BS
0.12 x I>
1.5 x I>
1.25 x I>
Io>
Io
SGB / 3
Io>>
SGB / 4
SGB / 5
REMOTE SETTINGS
SGB / 8
RELAY RESET
Fig. 1. Block diagram for overcurrent and earth-fault module SPCJ 4D24
I , I , I Measured phase currents
L1 L2 L3
I Measured neutral current
0
BS1 External blocking or resetting signal
SGF Programming switchgroup SGF on the front panel
SGB Programming switchgroup SGB on the front panel
SGR1...3 Programming switchgroups SGR on the front panel
TS1 Starting signal1 or auxiliary tripping signal depending on programming
of switchgroup SGR3
SS1 Start signal for stages selected with switchgroup SGR1
SS2 Trip signal 1 for stages selected with switchgroup SGR2
SS3 Trip signal 2 for stages selected with switchgroup SGR2
TS2 Tripping signal from stages selected with switchgroup SGR1
AR1, AR2, AR3 Starting signals to autoreclose unit
TRIP Red indicator for tripping
Note!
All input and output signals of the module are
not necessarily wired to the terminals of every
relay assembly using this module. The signals
SGR3 / 1
SGR1 / 1
50 ms
SGR3 / 2
SGR2 / 1
t>, k
SGR2 / 2
SGR1 / 2
SGR3 / 3
SGF1 / 1
SGR1 / 3
SGF1 / 2
SGF2 / 7
SGF1 / 3
40 ms
SGR3 / 4
SGR2 / 3
I>>
t>>
SGR2 / 4
SGR1 / 4
SGF1 / 5
2 x I>>
60 ms
&
SGR3 / 5
SGR1 / 5
60 ms
SGR3 / 6
SGR2 / 5
to>, ko
SGR2 / 6
SGR1 / 6
SGR3 / 7
SGR1 / 7
40 ms
SGR3 / 8
SGR2 / 7
to>>
SGF1 / 6 SGR2 / 8
SGR1 / 8
wired to the terminals are shown in the diagram
illustrating the flow of signals between the plug-
in modules of the relay assembly.
1
RESET+
SGB / 6
PROGRAM
1
SGF1 / 4
1
0.1...1s
SGF2 / 8
RESET+
SGB / 7 PROGRAM
1
1
TRIP
RESET
SPCJ 4D24
TS1
SS1
AR2
SS2
AR3
SS3
AR1
TS2
5