Siemens 7SR224 Argus Manual page 15

7SR224 Interface Diagram
BI - CB Open
Aux. Sw. 'b'
BI - CB Closed
Aux. Sw. 'a'
BI - CB Lockout
CB Lockout
Actuator
BI - Close
PB - Close
BI - Trip
PB - Trip
BI - Hot Line Working
Sw. –
Hot Line Working
Panel
Switch
Unit
Driver
BI - Aux ac/Charger OK
&
BI - Capacitor OK
Monitoring
BI - Reclose Block
Fig 7. 7SR224 Interface Diagram
Siemens Protection Devices Limited
7SR224
+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
C
-ve
28
+ve
22
V
AUX
-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.
B
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
A
16
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
1
BO 1
3
5
BO 2
7
9
BO - Battery
11
BO 3
13
BO - Battery
15
17
BO 4
BO - Capacitor
19
21
BO 5
23
27
BO 6
25
26
21
V
L1
(V )
22
A
23
V
L2
(V )
24
B
V 25
L3
(V )
26
C
27
V
4
(V )
X 28
BO - Trip
Trip Coil
BO - Close
Close Coil
Actuator
Start Test
Switch
Unit
Driver
Apply Test
&
Monitoring
Start Test
15