Hello members,

I have a problem with the IM151-7 Cpu, the stop led always lights and SF led is off, but the run led couldn't be lights up,as mentioned in the attached picture ( the missing module is an anlog module 4AI 2 wire) , is this problem caused when this analog module was defected or other causes, please I need your help or guidance sir

Thanks

Closed cause question posted twice.

The second thread with the subject IM151-7 Cpu is published within the conference Decentral Peripherie.