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Old September 10th, 2010, 04:15 PM   #1

jirikk is offline
Join Date: Sep 2010
Location: Montreal
Posts: 7
Question Simatic ET200S last power module fault

Hi guys,
I think, you know this issue... the last power module at the ET200S rack (sometimes) indicates system fault (SF diode) but everything is OK. Till now, nobody explained me this "feature". Is it the terminal module (resistors) which causes this? I was googling an hour, but didnt find anything.
Can you please give me as answer ?
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