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area error when writing

Created by: Itzabhi at: 5/19/2012 10:23 AM (21 Replies)

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5/19/2012 10:23 AM	Rate (0)
Itzabhi Experienced Member Joined: 1/27/2011 Last visit: 4/5/2023 Posts: 11 Rating: (0)	Event 1 of 10: Event ID 16# 2525 Area error when writing Incorrect area ID: 0 Requested OB: Programming error OB (OB121) Priority class: 1 Internal error, Incoming event How to resolve the problem? I have checked all the access addresses for a number of time, but could not found any thing wrong...please help......

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5/19/2012 10:27 AM	Rate (0)
BeVee Gold Member Joined: 7/18/2011 Last visit: 4/13/2023 Posts: 520 Rating: (88)	Hi itzabhi, Can you post all diagnostic events. That way we will be able to help you Kind regards, BV

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5/19/2012 11:00 AM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 4/21/2023 Posts: 726 Rating: (71)	Hi As BV said a detailed information can shed more light. Just to add a bit when you go for module information there is an option of "open block".This button shall take it to block having problem and also the location in block.

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5/19/2012 11:14 AM	Rate (0)
IBN-Service Posts: 8946 Rating: (995)	First, check if all DB are long enough!
IBN-Service Posts: 8946 Rating: (995)
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5/19/2012 12:59 PM	Rate (0)
Saravana kumar Gold Member Joined: 2/6/2009 Last visit: 4/19/2023 Posts: 932 Rating: (117)	Hi, There might be some logic written in Indirect address and those addresses will not be shown in cross referece. You have check the complete logic. Best option is to make BE (Block end) at the OB1 first (so that error will not pe present) and enable the call for the blocks one by one.
	Last edited by: Saravana kumar at: 5/19/2012 1:00 PM _______________________________________________________________ Best Regards T.Saravana Kumar "All for the Best"
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5/19/2012 1:01 PM	Rate (0)
BeVee Gold Member Joined: 7/18/2011 Last visit: 4/13/2023 Posts: 520 Rating: (88)	IBN-Service First, check if all DB are long enough! And don't forget to download those Db's

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5/19/2012 1:07 PM	Rate (0)
playerslight Posts: 1064 Rating: (72)	Has this program been run and and you made changes or is it a new program.
playerslight Posts: 1064 Rating: (72)
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5/19/2012 1:54 PM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 6/3/2023 Posts: 12032 Rating: (2594)	Itzabhi Area error when writing Requested OB: Programming error OB (OB121) How to resolve the problem? Hello Itzabhi; Your diagnostic buffer needs to have OB121 in the CPU's program to be able to give you more information. Create OB121 by right clicking on the Blocks folder, select OB, name it "121", save and download it to the PLC. No need to add any programming linesin it at this time. Next time you face the same problem the OB121 interface will allow the diagnostic buffer to show what addresses are caausing the problem. Hope this helps, Daniel Chartier

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5/19/2012 2:11 PM	Rate (0)
Amit_86 Platinum Member Joined: 3/18/2008 Last visit: 8/25/2022 Posts: 1750 Rating: (270)	dchartier Itzabhi Area error when writing Requested OB: Programming error OB (OB121) How to resolve the problem? Hello Itzabhi; Your diagnostic buffer needs to have OB121 in the CPU's program to be able to give you more information. Create OB121 by right clicking on the Blocks folder, select OB, name it "121", save and download it to the PLC. No need to add any programming linesin it at this time. Next time you face the same problem the OB121 interface will allow the diagnostic buffer to show what addresses are caausing the problem. Hope this helps, Daniel Chartier Hello Itazabhi, please do necessary checks and insert OB121 as per daniel Suggestion. Here it seems that your CPU is in Stop mode Howerver with inserting OB you will still see SF on CPU but your CPU will not foreced to Stop mode and it should go in Run Mode. please provide yuor backup if possible so we can help you further to identify your problem.
	Last edited by: Amit_86 at: 5/19/2012 2:13 PM VANDE MATARAM.....
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5/19/2012 3:15 PM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 4/21/2023 Posts: 726 Rating: (71)	Next time you face the same problem the OB121 interface will allow the diagnostic buffer to show what addresses are caausing the problem. Hi Daniel, Can you elaborate how Buffer will end up showing address of error. What I know is buffer just give type of error and the block where error has occurred ( with or without OB121).

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