Connections - ABB SPAJ 111 C User Manual

Connections

4
BS
25 26 27
10 11
SGR/1
U3
4
5
U1
SPAJ 111 C
Fig. 2. Connection diagram for the sensitive earth-fault relay SPAJ 111 C.
U Auxiliary voltage
aux
A,B,C,D,E,F 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
START_ Start signal or signal on relay operation
U1 Sensitive earth-fault relay module SPCJ 1C7
U2 Power supply and I/O module SPTU 240S1 or SPTU 48S1
U3 I/O module SPTE 1E12
SERIAL PORT Serial communication port
SPA-ZC_ Bus connection module
Rx/Tx Receiver (Rx) and transmitter (Tx) of the bus connection module
+ (~)
U
aux
- (~)
IRF START2
61 62 70 71 72 73 74 75
≅
_
E
+ - U3
IRF
SS1
t > TS1
Io>
SGB
SS2
t >>
TS2
Io>>
I/O
L1
L2
L3
I
+
0
+
START1 SIGNAL1 TRIP2
77 78 80 81 68 69
F D C B
1 1 1
SGR 3 2 4 7 5 8
0 -
I
-
Rx Tx
TRIP1
+
SERIAL
PORT
65 66
A
1
6
U2