I can not read inputs from my compact TM5 modules. What can be the reason ?| Schneider Electric Česká republika

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I can not read inputs from my compact TM5 modules. What can be the reason ?

TM5 compact modules TM5C24D18T, TM5C12D6T6L and TM5C24D12R need power on the 24V I/O power lines at any time.

Without I/O 24V power inputs can not be read.