7SR210 & 7SR220 Description of Operation
Unrestricted ©2018 Siemens Protection Devices Limited
Page 11 of 94
GND.
BI 1
+ve
-ve
+ve
-ve
I
L1
(I
A
)
22
24
28
2
4
BI 2
+ve
-ve
6
8
BI 3
+ve
-ve
10
12
I
L2
(I
B
)
I
L3
(I
C
)
I
4
(I
G
/I
SEF
)
13
14
15
16
BI 4
+ve
18
BI 5
+ve
20
BI 6
+ve
-ve
22
25
BI 7
+ve
24
BI 8
+ve
26
BI 9
+ve
-ve
28
27
BO 7
19
17
BO 8
23
21
1A
5A
1
2
3
4
1A
5A
5
6
7
8
1A
5A
9
10
11
12
1A
5A
7SR21
BI 10
+ve
-ve
2
4
BI 11
+ve
-ve
6
8
BI 12
+ve
10
BO 9
3
1
BO 10
7
5
BO 11
11
9
BI 13
+ve
12
BI 14
+ve
14
BI 15
+ve
-ve
16
18
BI 16
20
BI 17
+ve
22
BI 18
+ve
24
BI 19
+ve
-ve
26
28
+ve
BO 12
15
13
21
19
17
BO 13
BO 14
27
25
23
BO 15
BO 16
A
B
C
A
Screen
B
Term.
14
16
18
20
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withdrawn from case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
BO 1
BO 2
9
5
7
BO 3
BO 4
BO 5
BO 6
27
3
1
15
11
13
19
17
23
21
25
26
A
Analogue
B
PSU
C
Optional
I/O
1
2
27
28
1
2
1
2
27
28
27
28
Data
Comms
(Optional)
D
Optional
I/O
1
2
27
28
E
Blank
1
2
27
28
BI 20
+ve
-ve
2
4
BI 21
+ve
-ve
6
8
BI 22
+ve
10
BI 23
+ve
12
BI 24
+ve
14
BI 25
+ve
-ve
16
18
BI 26
20
BI 27
+ve
22
BI 28
+ve
24
BI 29
+ve
-ve
26
28
+ve
D
BI 30
+ve
-ve
1
3
BI 31
+ve
-ve
5
7
BI 32
+ve
9
BI 33
+ve
11
BI 34
+ve
13
BI 35
+ve
-ve
15
17
BI 36
19
BI 37
+ve
21
BI 38
+ve
23
BI 39
+ve
-ve
25
27
+ve
Figure 1.5-2 Connections Diagram for 7SR21 Relay
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
Page 185: ...7SR210 Settings Guide Unrestricted 2018 Siemens Protection Devices Limited Page 61 of 61 ...
Page 277: ...7SR220 Settings Guide Unrestricted Page 72 of 107 2013 Siemens Protection Devices Limited ...
Page 382: ...7SR220 Technical Manual Chapter 4 Page 2 of 96 2017 Siemens Protection Devices Limited ...
Page 386: ...7SR220 Technical Manual Chapter 4 Page 6 of 96 2017 Siemens Protection Devices Limited ...
Page 398: ...7SR220 Technical Manual Chapter 4 Page 18 of 96 2017 Siemens Protection Devices Limited ...
Page 414: ...7SR220 Technical Manual Chapter 4 Page 34 of 96 2017 Siemens Protection Devices Limited ...
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Page 643: ...Unrestricted ...