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Module/Interface Module removed/cannot be addressed

Created by: AnilSangwan at: 4/27/2012 3:20 PM (25 Replies)

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4/27/2012 3:20 PM	Rate (0)
AnilSangwan Posts: 17 Rating: (0)	Dear All, we are suffering problem due to sudden i/o card failure in some of remote panels.The detail of the log received from diagnostic buffer is as below. Event 308 of 3000: Event ID 16# 3961 Module/Interface Module removed/cannot be addressed Actual type: ###79 System: S7-300 Station number: 17, DP master system ID: 2 Output address: 16 Further information: 11 Configurable Requested OB: Remove/insert OB (OB83) Priority class: 25 External error, Incoming event 07:34:18.422 AM 04/20/2012 After receiving this error i/o card went into SF mode and all signals drops to fail condition. further it is not happening to one particular card rather it happens to several cards. some time card gets reset by itself , some time by a gentle push and some times by removing and reinserting the card. and after resettingthat cardthe details received in diagnostic buffer are as under Event 300 of 3000: Event ID 16# 3861 Module/Interface Module inserted, module type ok Actual type: ###79 System: S7-300 Station number: 17, DP master system ID: 2 Output address: 16 Further information: 11 Configurable Requested OB: Remove/insert OB (OB83) Priority class: 25 External error, Outgoing event 07:35:21.144 AM 04/20/2012
AnilSangwan Posts: 17 Rating: (0)
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4/27/2012 3:36 PM	Rate (0)
Ammy Posts: 1525 Rating: (159)	Hello Anil, Can you Provied a Module No. Which was Faulty & probelm Started.
Ammy Posts: 1525 Rating: (159)
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4/27/2012 3:49 PM	Rate (0)
AnilSangwan Posts: 17 Rating: (0)	Ammy, it is not a single module not even a single rack.it is happening in various modules and various racks also.
AnilSangwan Posts: 17 Rating: (0)
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4/27/2012 3:52 PM	Rate (0)
SolutionFinder Posts: 559 Rating: (87)	Dear AnilSangwan, Please reply which PLC Systems you are taking about? S7-300 then Type of CPU? And which Remote I/O u are using?
SolutionFinder Posts: 559 Rating: (87)	Last edited by: SolutionFinder at: 4/27/2012 3:53 PM
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4/27/2012 4:02 PM	Rate (0)
RugbyGuy Silver Member Joined: 1/15/2009 Last visit: 10/30/2025 Posts: 316 Rating: (40)	Hi, What is your version of STEP7? Previous versions of STEP7 had a 'feature' in CPU that made modules passivate if there were any error on a channel. Later versions now have a parameter selection, passivate by module, or passivate by channel. It is my experience that passivate by channel is best. Although, I imagine a 'push' on the module to fix this error would mean that the module is not currently set correctly. A module in passivate (non-failsafe) should come back after some time (auto reintegrates) as long as the channel error clears. (if failsafe, then after the error clears, an acknowledgement is necessary). Cycling power on the module (by removing it from the rail as you describe) clears the memory of the module, and if it comes back into a good state, than the channel error has cleared. Do you have wire break detection set for these modules? This is interesting....
	The best location for all PCS 7 content (manuals, guides, application notes, FAQs, and videos). https://support.industry.siemens.com/cs/ww/en/view/63481413
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4/27/2012 4:04 PM	Rate (0)
Ammy Posts: 1525 Rating: (159)	AnilSangwan Ammy, it is not a single module not even a single rack.it is happening in various modules and various racks also. Hello Anil, As per Your Above Diagnostic information DP Address no.17 Having the problem, If you not Provied any detail then it is not easy to say anything, also we Want to like to know is anything Wrong Happend with System (Short Circuit, Earthing Problem), because without any Condition Module will not goes in to the Fault. & you are saying Module Showing SF LED, Only few I/O module who Having Diagnostic Capbility is only having SF LED on it. So Need Detail....
Ammy Posts: 1525 Rating: (159)
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4/27/2012 4:09 PM	Rate (0)
Amit_86 Posts: 1750 Rating: (272)	I suggest you to check the wiring from field side if io cards are getting failed even after replacing the cards. Please check panel earthing. I mean power earthing/electronics earthing And now pl do not insert a new card to aviod further damage untill you get the solution.
Amit_86 Posts: 1750 Rating: (272)
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5/2/2012 8:43 AM	Rate (0)
AnilSangwan Posts: 17 Rating: (0)	Ammy, Thanks for your reply & sorry for delay from my side to reply. Actually it is not happening to only 1 i/o module.rather it has happened to AI,Ao and DO cards.still we have not noticed any failure with any DI card.but can you please tell me what informations you require i mean card model,version etc. Regards Anil Sangwan
AnilSangwan Posts: 17 Rating: (0)
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5/2/2012 9:09 AM	Rate (0)
gre_m Posts: 947 Rating: (45)	see info for OB83 Special considerations for S7-300 · Central IO devices cannot be inserted and removed with S7-300. · With respect to distributed IO devices, . With all other S7-300 CPUs, there is an insert/remove interrupt only for 31x PN/DP CPUs, but then only for PROFINET IO components. so programmatically you do not do it. look for errors in installation of modules, profibus or use S7-400-CPU
gre_m Posts: 947 Rating: (45)	Last edited by: gre_m at: 5/2/2012 9:10 AM
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5/2/2012 10:17 AM	Rate (0)
Ammy Posts: 1525 Rating: (159)	AnilSangwan Ammy, Thanks for your reply & sorry for delay from my side to reply. Actually it is not happening to only 1 i/o module.rather it has happened to AI,Ao and DO cards.still we have not noticed any failure with any DI card.but can you please tell me what informations you require i mean card model,version etc. Regards Anil Sangwan Hello Anil, This Detail are Required other wise not possible to tell you about your problem, As I have already Mention in my Prvoius post. if you don't want then its upto you.....
Ammy Posts: 1525 Rating: (159)
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