Figure 1.5-4 Connection Diagram For 7Sr22 Relay - Siemens Argus 7SR21 Technical Manual

Overcurrent relay
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7SR210 & 7SR220 Description of Operation
+ve
2
BI 4
-ve
4
+ve
6
BI 5
-ve
8
+ve
10
BI 6
+ve
12
BI 7
+ve
14
BI 8
+ve
16
BI 9
-ve
18
+ve
20
BI 10
+ve
22
BI 11
+ve
24
BI 12
+ve
26
BI 13
-ve
28
+ve
22
-ve
24
28
GND.
+ve
2
BI 1
-ve
4
+ve
6
BI 2
-ve
8
+ve
10
BI 3
-ve
12
14
A
16
Screen
18
B
20
Term.
1A
1
2
I
L1
5A
(I
)
3
A
4
1A
5
6
I
L2
5A
(I
)
7
B
8
1A
9
10
I
L3
5A
(I
)
11
C
12
1A
13
14
I
4
5A
(I
)
15
G
16
NOTES
BI = Binary Input
BO = Binary Output
Unrestricted Page 14 of 94
7SR22
1
BO 7
3
5
BO 8
7
9
BO 9
11
13
BO 10
15
BO 11
17
BO 12
19
21
BO 13
23
BO 14
25
27
C
1
BO 1
3
5
BO 2
7
9
11
BO 3
13
15
17
BO 4
19
21
BO 5
23
25
BO 6
26
B
27
1A
17
18
I
5
5A
(I
)
19
SEF
20
21
V
L1
(V
)
A
22
23
V
L2
(V
)
B
24
25
V
L3
(V
)
C
26
27
V
4
(V
)
X
28
A
Shows contacts internal to relay case
assembly.
Contacts close when the relay chassis is
withdrawn from case
Figure 1.5-4
Connection Diagram for 7SR22 Relay
1
2
1
2
1
2
E
D
C
Optional
Optional
Blank
I/O
I/O
27
28
27
28
27
28
Rear View
Arrangement of terminals and modules
+ve
2
BI 14
-ve
4
+ve
6
BI 15
-ve
8
+ve
10
BI 16
+ve
12
BI 17
+ve
14
BI 18
+ve
16
BI 19
-ve
18
+ve
20
BI 20
+ve
22
BI 21
+ve
24
BI 22
+ve
26
BI 23
-ve
28
©2018 Siemens Protection Devices Limited
1
2
1
2
B
A
Data
Comms
PSU
Analogue
(Optional)
27
28
27
28
+ve
1
BI 24
-ve
3
+ve
5
BI 25
-ve
7
+ve
9
BI 26
+ve
11
BI 27
+ve
13
BI 28
+ve
15
BI 29
-ve
17
+ve
19
BI 30
+ve
21
BI 31
+ve
23
BI 32
+ve
25
BI 33
D
-ve
27

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