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support.automation.siemens.com | Technical Forum | Friday, November 16, 2018 1:49:43 AM

Module problem or maintenance necessary

Created by: alfa romeo at: 1/25/2012 4:45 AM (2 Replies)

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1/25/2012 4:45 AM	Rate (0)
alfa romeo Member Joined: 1/25/2012 Last visit: 1/31/2012 Posts: 1 Rating: (0)	help me pls.. i have problem PLC S7-300 in my factory : PLC running stop and diagnostic buffer Event 2 of 10: Event ID 16# 3942 Module problem or maintenance necessary Module type: Distributed I/0s Input address: 2039 User information available Diagnostic interrupt from substitute Module/submodule fault External module error Requested OB: Diagnostic interrupt OB (OB82) Priority class: 26 External error, Incoming event i try trace the program but the program no problem.the problem occur at any time.

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1/25/2012 5:28 AM	Rate (0)
playerslight Platinum Member Joined: 4/30/2008 Last visit: 10/2/2017 Posts: 1064 Rating: (71)	Can you post the rest of the diagnostics so we can see what kind of module is giving you your problem and maybe the hw config
	Regards Steve Don't worry about walking a mile in my shoes Just try think for a day in my head
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1/25/2012 7:32 AM	Rate (0)
Darius Platinum Expert Joined: 9/28/2005 Last visit: 4/9/2018 Posts: 2955 Rating: (229)	Hi, I could suggest also to take advantage of OB82 and also use SFC51 to have more diagnostic information. and I believe that this info will answer your question about what is happening to the module. See Step-7 help for more information on OB82. Some example is here http://support.automation.siemens.com/WW/view/en/2190197
	Best regards, Darius
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