5
Electrical installation
Power bus connection examples
Operating Instructions – MOVIFIT
®
FC
114
5.15
Power bus connection examples
5.15.1
Connection example with a common 24 V voltage circuit
The following figure depicts a basic connection example for the power bus with a com-
mon 24 V voltage circuit for sensor/actuator supply. In the example, the integrated fre-
quency inverter is supplied by the voltage 24V_C:
1
2
3
4
5
6
11
12
13
14
15
16
1
2
3
4 11 12 13 14
PE
L
1
L
2
L
3
PE
L
1
L
2
L
3
L3
L2
L1
PE
L3
L2
L1
PE
X1
1
2
3
4
5
6
7
8 11 12 13 14 15 16 17 18
X29
X20
MOVIFIT
®
-FC
FE
+24V
0V24V
FE
+24V
0V24V
11
12
13
14
15
16
18
17
5
1
2
1
3
4
6
7
8
X1
X29
X20
[2]
[1]
24V/4A
9007200067298699
[1]
Example (fuse 24 V/4 A) for UL-compliant installation
[2]
Example for integrated frequency inverter supply via 24V_C
5.15.2
Connection example with two separate 24 V voltage circuits
The following figure shows an example of a power bus connection with 2 separate
24 V voltage circuits for the sensor/actuator supply. In the example, the integrated fre-
quency inverter is supplied by the voltage 24V_C:
1
2
3
4
5
6
11
12
13
14
15
16
1
2
3
4 11 12 13 14
PE
L
1
L
2
L
3
PE
L
1
L
2
L
3
L3
L2
L1
PE
L3
L2
L1
PE
0V24V_C
FE
+24V_C
0V24V_C
+24V_S
0V24V_S
FE
X1
1
2
3
4
5
6
7
8
11 12 13 14
15 16 17 18
X29
X20
[2]
[1]
MOVIFIT
®
-FC
11
12
13
14
15
16
18
17
5
1
2
1
3
4
6
7
8
X1
X29
X20
FE
+24V_C
+24V_S
0V24V_S
FE
24V/4A
9007200067300363
[1]
Example (fuse 24 V/4 A) for UL-compliant installation
[2]
Example for integrated frequency inverter supply via 24V_C
21316996/EN – 12/2014