8-10 Installation and Maintenance IndraControl L40
DOK-CONTRL-IC*L40*****-PR03-EN-P
24 V Voltage Supply
Setup without Electrical Isolation
The most easiest connection method is the establishment of an electrical
isolation between the internal logic and the peripheral supply.
In this case, a power supply unit is appropriate to supply the
IndraControl L40. It is not permitted to use an autotransformer to ensure
compliance with overvoltage category II.
L1
L2
L3
N
PE
Power
supply
unit 1
OC III
400 V
OC II
24 V
U
M
U
S
U
LS
GND
GND (U
S
, U
M
)
FE
Ohne_Potenzialtrennung.FH9
Fig. 8-7: Setup without electrical isolation
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