Siemens 7SR12 Argus User Manual

7SR11 & 7SR12 Installation Guide
Chapter 5 Page 20 of 32 ©2017 Siemens Protection Devices Limited
5.8 Wiring Diagram: 7SR1208 Directional OC/EF Relay with
4BI & 8BO
BO 1
GND.
BI 1
+ve
-ve
+ve
-ve
IL1
22
24
28
2
4
BI 2
+ve
-ve
6
8
BI 3
+ve
-ve
10
12
14
16
18
20
IL2
IL3
IL4
25
26
27
28
BO 2
6
5
4
1
2
3
BO 3
8
7
BO 4
10
9
BO 5
12
11
1A
5A
13
14
15
16
1A
5A
17
18
19
20
1A
5A
21
22
23
24
1A
5A
A
Analogue
B
PSU
1 2
27 28
1 2
27 28
A
V1
17
19
V2
21
23
V3
25
27
Rear View
Arrangement of terminals and modules
Shows contacts internal to relay case
assembly.
Contacts close when the relay chassis is
withdrawn from case
NOTES
BI = Binary Input
BO = Binary Output
B
Data
Comms
(Optional)
BI 4
+ve
3
-ve
1
15
13
BO 8
11
9
BO 7
7
5
BO 6
A
RS485
Screen
B
Term.
Figure: 5.8-1 7SR1208 Connection Diagram

Siemens 7SR12 Argus Specifications

General

Brand	Siemens
Model	7SR12 Argus
Category	Protection Device
Language	English