2 9 CT / Heater Current Input Wiring
2 9 CT / Heater Current Input Wiring
CT94 1
1
2
+
+
DIN Rail
DIN Rail
Fuse
Mains
supply
Mains
supply
Heater 1
Heater 1
Heater 2
Heater 2
Heater 3
Heater 3
Figure 2.11
CT Input Wiring for
Single Phase Heater
Figure 2.11
CT Input Wiring for
Single Phase Heater
Heater Supply
Heater Supply
Current Transformer
Current Transformer
Contactor
CT Signal Input
CT Signal Input
CT94 1
1
2
+
DIN Rail
DIN Rail
Current Transformer
Current Transformer
+
Fuse
Mains
supply
Mains
supply
Figure 2.12
CT Input Wiring for
Three Phase Heater
Figure 2.12
CT Input Wiring for
Three Phase Heater
Contactor
CT Signal Input
CT Signal Input
Make sure that the total current through CT94-1 not exceed 50A rms.
Make sure that the total current through CT94-1 not exceed 50A rms.
Three Phase
Heater Power
Three Phase
Heater Power
28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20