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CPU Issue. Uploading from old and Downloading to new.

Created by: DaveA at: 7/21/2011 9:55 AM (7 Replies)

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7/21/2011 9:55 AM	Rate (0)
DaveA Advanced Member Joined: 8/8/2008 Last visit: 12/9/2022 Posts: 78 Rating: (4)	Hi there. I currently have a machine which runs an old 315-2DP Processor (the bigger old type processor). We want to upgrade the 315-2 DP to a new version as the old one was obsolete a long time ago. When I upload off the old CPU and download to the new, not all the program works as some of the machines functions are halted? ??? I have checked all the I/O cards are compatible with the new CPU and it does seem to work but some of the program does not seem to fucntion. CPU info: Current (OLD) CPU = 6ES7 315 2AF03 0AB0 Replacement (NEW) CPU = 6ES7 315 2AH14 0AB0 I have ran this check to see if there would be an issue changing CPUs and found no errors: https://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&lang=en&objid=13337010&caller=view Im now stuck
	Last edited by: DaveA at: 7/21/2011 9:59 AM
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7/21/2011 11:20 AM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 11/14/2023 Posts: 10222 Rating: (1177)	Hello DaveA, As you already downloaded the program in CPU, Better to check directly there what is wrong with above mentioned machine's functions. BTW, do you have any fault LEDs there ON? Best regards, Hristo Mihalev

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7/21/2011 11:33 AM	Rate (0)
DaveA Advanced Member Joined: 8/8/2008 Last visit: 12/9/2022 Posts: 78 Rating: (4)	The CPU runs ok after doing a H/W config download with the new processor. No red lights all green and going strong! Like I said it does appear to work but some parts of the code are obviously not been called? I have used the same size memory card that is in the old processor. Do the newer CPUs require more memory for Siemens background items???

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7/21/2011 11:38 AM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 11/14/2023 Posts: 10222 Rating: (1177)	Could specify for example, some of the function (if they are from Siemens library) which are not working?

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7/21/2011 12:05 PM	Rate (0)
DaveA Advanced Member Joined: 8/8/2008 Last visit: 12/9/2022 Posts: 78 Rating: (4)	Unfortunaly I am unfamilir with the code and due to it coming from an upload there are no comments! Is it possible the new CPU in not compatible with some functions from the old one? hummmm

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7/21/2011 12:14 PM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 11/14/2023 Posts: 10222 Rating: (1177)	Aaaaa forgat about that.You don't have a comments there. Perhaps if you have drawings corresponding to the I/O map is possible to understand where is writing some non executive outputs and from there to follow the logic... Best regards, Hristo Mihalev

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7/21/2011 12:25 PM	Rate (0)
DaveA Advanced Member Joined: 8/8/2008 Last visit: 12/9/2022 Posts: 78 Rating: (4)	I am going to have a try at that when I next get a chance.

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10/5/2015 1:42 PM	Rate (0)
Min_Moderator Platinum Member Joined: 9/3/2014 Last visit: 3/13/2019 Posts: 4785 Rating: (123)	New question published by U_475a137b-a556-4bcd-b79c-cee310d7107d is split to a separate thread with the subject Dowload old program to new CPU, SF fault. Best regards Min_Moderator

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