Internal Connections Chart - Siemens ISGS Operator's Manual

CT 1-1 3
CT 1-2 4
5
CT 2-1
6
CT 2-2
CT 3-1 7
Current
Input
8
CT 3-2
CT N-1
9
CT N-2 10
VT 1+ 41
42
VT 1-
43
VT 2+
Voltage
Input
44
VT 2-
VT 3+ 45
46
VT 3-
BI B Switch
14
BI Trip
15
Breaker and
Trip Source
Monitor
Impedance Source 17
Impedance Sense
18
Ground Monitor
16
+
21
1
-
22
+ 23
2
-
24
Binary
+
25
Input
3
-
26
+ 27
4
- 28
+ 13
Power
V
Supply H
-
12
Communications
In
Data + 48
RxD
(3)
ISGS
DC
DC
RS-485 SEAbus
RS-232
Front Panel
2 Trip 1
Trip
Trip Common
1
Relays
11 Trip 2
29
Trip 3
30
19 Relay Disabled 1
Relay Disabled
Alarm Contact
20
Relay Disabled 2
31
BO 1
Binary
32
Outputs
33
BO 2
34
Communications
Out
49
Data -
50
Reference
(2)
TxD
(7) Reference
Ground