problem with profisafe

We have a siemens s7-1500 and we try to do the safety program with profisafe I/O modules
when we dont have a program in plc, the modules work fine, but when we do the safety blocks both modules show us SF LED and the output module is locked in 5V, then the input module give us 24V like its an output module and the whole block is blocked in safe mode

Asked on July 15, 2024 in PLC.
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