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Created by: KonradR at: 10/14/2014 11:03 AM (10 Replies)

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10/14/2014 11:03 AM	Rate (0)
KonradR Posts: 97 Rating: (3)	Folks, Can Ihave someone help with decoding information written in interrupt stack , thanks in advance . Attaching picture that represents screen shoot. Regards Konrad Attachment 20141014_092406.jpg (435 Downloads)
KonradR Posts: 97 Rating: (3)
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10/14/2014 1:31 PM	Rate (0)
Navnag Platinum Expert Joined: 11/21/2007 Last visit: 9/25/2024 Posts: 2325 Rating: (309)	Hello KonradR This is what I can make out : - PLC Went to Stop in the First Program Cycle when switched from Stop->Run ) - At the time of Stopping PB96 was being executed at Relative Address 0068 Hex - No DB was Open - Fault Occurred - QVZ - Timeout ( Peripheral I/O Module ) Hope this helps Cheers Navnag
	There is no such thing as the last bug in a program There are no stubborn bugs, There are only stubborn Debuggers.
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10/14/2014 8:53 PM	Rate (0)
KonradR Posts: 97 Rating: (3)	This is what I can make out : - PLC Went to Stop in the First Program Cycle when switched from Stop->Run ) - At the time of Stopping PB96 was being executed at Relative Address 0068 Hex - No DB was Open - Fault Occurred - QVZ - Timeout ( Peripheral I/O Module ) Hope this helps Cheers Navnag Navnag , Thank you for your reply , but could you please let me know what does the adress 0068 means I can understand that theproblem with myPLC lies in block PB96 , peripheral I/O(possible problem with analog card) please let know .I need to know how to use thisinformation for problem solving. Best Regards Konrad
KonradR Posts: 97 Rating: (3)
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10/14/2014 9:06 PM	Rate (0)
190B Platinum Member Joined: 2/8/2012 Last visit: 12/22/2014 Posts: 2347 Rating: (385)	An QVZ (timeout) occurs when an attempt is made to retrieve a peripheral address or write it to a. If the corresponding module does not respond within the time allowed, there is a timeout. In PB96, this call is in front of or directly in the address 0068 within this block.

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10/14/2014 9:16 PM	Rate (0)
KonradR Posts: 97 Rating: (3)	An QVZ (timeout) occurs when an attempt is made to retrieve a peripheral address or write it to a. If the corresponding module does not respond within the time allowed, there is a timeout. In PB96, this call is in front of or directly in the address 0068 within this block. Gruß 190B Hello 190B. how canI establish this address how doI address this is it rung or network. to what 0068 corresponds Best Regards Konrad
KonradR Posts: 97 Rating: (3)
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10/14/2014 9:20 PM	Rate (0)
190B Platinum Member Joined: 2/8/2012 Last visit: 12/22/2014 Posts: 2347 Rating: (385)	You need to look at the block in IL.Left are then available addresses.

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10/14/2014 9:33 PM	Rate (0)
KonradR Posts: 97 Rating: (3)	You need to look at the block in IL.Left are then available addresses. Gruß 190B I understandthat this adress corresponds to 0068 in STL Best Regards Konrad
KonradR Posts: 97 Rating: (3)
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10/14/2014 10:05 PM	Rate (0)
190B Platinum Member Joined: 2/8/2012 Last visit: 12/22/2014 Posts: 2347 Rating: (385)	Sorry, my English is not good. The automatic translator has translated this way. In German it is called AWL.

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This contribution was helpful to 1 thankful Users KonradR

10/15/2014 5:48 AM	Rate (0)
Navnag Platinum Expert Joined: 11/21/2007 Last visit: 9/25/2024 Posts: 2325 Rating: (309)	KonradR I understandthat this adress corresponds to 0068 in STL Yes that is Right. You need to Open the Block ( PB 96 )in STL and Press Shift+F1 to display the addresses. ( Pl See Attachment ) The problem would usually be in the line just before the 0068 address. Most likely, this statement is trying to Read / Write a Peripheral address which is not responding. Hope this helps Cheers Navnag Attachment STEP5_Addresses.jpg (396 Downloads)
	There is no such thing as the last bug in a program There are no stubborn bugs, There are only stubborn Debuggers.
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This contribution was helpful to 1 thankful Users KonradR

10/15/2014 8:06 AM	Rate (0)
BeVee Gold Member Joined: 7/18/2011 Last visit: 12/6/2024 Posts: 521 Rating: (91)	Hello konradR One more information can be retrieved from the I-stack: OP-REG : 6500 6500 is the hexadecimal code of an instruction. 6500 stands for the instruction BE. The hex codes for the instructions can be found in the instructions list of your CPU. Kind regards, BV

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