Wiring Diagram: 7Sr1103 Oc/Ef Relay With 6 Bi & 8Bo - Siemens 7SR12 Argus Manual

5.3 Wiring Diagram: 7SR1103 OC/EF Relay with 6 BI & 8BO
+ve
2
BI 1
-ve
4
+ve
6
BI 2
-ve
8
+ve
10
BI 3
-ve
12
14 A
16 Screen
B
18
20 Term.
+ve
22
-ve
24
28
GND.
1A
13
14
IL1
5A
15
16
1A
17
18
IL2
5A
19
20
1A
21
22
IL3
5A
23
24
1A
25
26
IL4
5A
27
28
©2017 Siemens Protection Devices Limited
+ve
3
BI 4
-ve
1
+ve
5
BI 5
+ve
7
BI 6
9
BO 6
11
BO 7
13
BO 8
15
B
3
BO 1
1
2
4
BO 2
6
5
8
BO 3
7
10
BO 4
9
12
BO 5
11
A
Figure: 5.3-1 7SR1103 Connection Diagram
7SR11 & 7SR12 Installation Guide
1 2
B
Data
Comms
PSU
(Optional)
27 28
Rear View
Arrangement of terminals and modules
NOTES
BI = Binary Input
BO = Binary Output
Shows contacts internal to relay case
assembly.
Contacts close when the relay chassis is
withdrawn from case
Chapter 5 Page 15 of 32
1 2
A
Analogue
27 28