Connecting
6.6 Connecting the heating elements and three-phase line supply
SIPLUS HCS4200 PROFINET/PROFIBUS DP
Operating Instructions, 07/2019, A5E35066204A/006
85
Wiring diagram for three-phase system
Note
•
If you want to have load of the three-phase supply as evenly distributed as possible,
consecutively connect infeed of the POMs (X2.1 / X2.3) to the phases L1, L2 and L3.
•
To connect the POM4320 to the three-phase supply, pay attention to the rotating field
(running clockwise).
•
Note that you must use two different phases when connecting a POM4220 Highend.
Figure 6-1
Wiring diagram for three-phase system
Block wiring diagrams
The block diagrams below show the main circuits of the POM4220 versions with power and
heating element connections. The power outputs are protected internally with one fuse per
power output. The individual phases of the mains supply are not protected on the POM;
protection devices must be implemented externally by the user.
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