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DrewW

SIMATIC ET 200SP, IM 155-6PN HF problem

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Hi all I am having a problem with a remote I/O module SIMATIC ET 200SP, IM 155-6PN HF it will not communicate with its neighbour I/O modules does anybody have any suggestions ? I can see it through TIA portal and download hardware config but its still shows errors when I go online.

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You need to check what is the error in the diag buffer

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Remove the module and examine the pins on the back, I have seen a bent pin cause similar issues.

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