Installing/Mounting
4.1 Fitting the CU to the PM
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
4-3
Caution
Care must be taken to ensure that the 24 V DC power is connected correctly or damage
to the Control Unit may occur.
Max. cable length on 24 V DC supply and I/O cables connected to CU must not exceed
10 m. Use of unscreened cables is possible however we recommend to use screened
cables.
Note
If the CU is externally powered with 24 V DC but the power module is disconnected from
the mains supply, the faults F0001 ... F0028 are not generated.
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