Connections - ABB SPAJ 131 C User Manual And Technical Description

Connections

4
1 2 3 4 5 6 7 8 9
U3
SPAJ 131 C
Fig. 2. Connection diagram for the three-phase overcurrent relay SPAJ 131 C.
U Auxiliary voltage
aux
A,B,C,D,E Output relays
IRF Self-supervision function
BS Blocking signal
SS Start signal
TS Trip signal
SGR Switchgroup for configuring trip and alarm signals
SGB Switchgroup for configuring blocking signals
TRIP_ Trip output
SIGNAL1 Signal on relay operation
START1 Start signal or signal on relay operation
U1 Three-phase overcurrent relay module SPCJ 3C3
U2 Power supply and I/O module SPTU 240S1 or SPTU 48S1
U3 I/O module SPTE 3E4
SERIAL PORT Serial communication port
SPA-ZC_ Bus connection module
Rx/Tx Optical-fibre receiver terminal (Rx) and transmitter terminal (Tx) of the bus
connection module
+ ( ~ )
Uaux
- ~
( )
BS IRF
10 11 61 62 70 71 72
≅
_
E
U3
+ -
SGR/1
IRF
t >,k
3I>
SGB
4
5
t >>
3I>>
U1
L1
L2
L3
Ι
0
START1 SIGNAL1 TRIP2
77 78 80 81 68 69
D C
1 1
SGR 3 2 4 7 5
SS1
TS1
SS2
TS2
I/O
0
-
Ι
-
Rx Tx
+
+
TRIP1
+
SERIAL
PORT
65 66
B A
1 1
8
6
U2