ABB SPAU 140 C User Manual And Technical Description page 7

Rx
Tx
Made in Finland
Fig. 3. Rear view of synchro-check relay SPAU 140 C
U Auxiliary voltage
aux
A,B,C,D Output relays
IRF Self-supervision
SGB Switchgroup for the configuration of blocking and command signals
SGR Switchgroup for the configuration of alarm signals
CB13 Circuit breaker close permission/close command, stage 1
CB23 Circuit breaker close permission/close command, stage 2
ALARM Signal output
BS13 Blocking signal for stage 1
BS23 Blocking signal for stage 2
CS13 Control signal, request for CB closing, stage 1
CS23 Control signal, request for CB closing, stage 2
X1 Synchro-check relay module SPCU 3D45
X2 Power supply and output relay module SPTU 240 R4 or SPTU 48 R4
X3 Input module SPTE 3E10
T1...T6 Operation indicators 1...6
SERIAL PORT Serial port for serial communication
SPA-ZC Bus connection module
Rx Tx Receiver (Rx) and transmitter (Tx) for the connection of optical fibres
13 61
14 62
22
23
15 63
45
16 85
46
17 86
47
48
18 87
19 88
20 70
21 71
= 63
72
10 68
11 69
7