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S7 314C-2 DP Troubleshooting help needed

1/13/2012 3:55 PM	Rate (0)
Sashi Ramesh Posts: 1 Rating: (0)	We have a S7 314C-2 DP PLC, which was not yet commisioned but was tested some time back. Now we replaced a DI module with a AO module and updated the HW configuration in the PG and tried to download the HW config into the PLC. When trying to do that the PLC threw a "Out of memory" error and gave an option to compress the existing program, but there was still no memory. So what would be the the best way to delete the entire memory in the PLC and download the updated program.
Sashi Ramesh Posts: 1 Rating: (0)
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1/14/2012 6:54 PM	Rate (0)
Jazz_M Posts: 1121 Rating: (86)	hi did you try clear reset have fun ...
Jazz_M Posts: 1121 Rating: (86)	Last edited by: Tagolover at: 1/14/2012 6:55 PM
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1/16/2012 5:20 PM	Rate (0)
Sundar babu Posts: 39 Rating: (0)	Hi, Use the Master Reset (MRES) toggle switchto reset it completely. Your program will also gets deleted if u perform this operation.
Sundar babu Posts: 39 Rating: (0)
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1/16/2012 5:26 PM	Rate (0)
Ammy Posts: 1525 Rating: (159)	Sashi Ramesh We have a S7 314C-2 DP PLC, which was not yet commisioned but was tested some time back. Now we replaced a DI module with a AO module and updated the HW configuration in the PG and tried to download the HW config into the PLC. When trying to do that the PLC threw a "Out of memory" error and gave an option to compress the existing program, but there was still no memory. So what would be the the best way to delete the entire memory in the PLC and download the updated program. Hello Sashi, First Upload the Project then go to the CPU diagnostic. & in the Memeory Tab see how much memory is used... then if you have a backup then clear reset & download first Hardware & then Progarm, may be during the block downlaod it will ask for the compress option ......!!!!!! have a fun.....
Ammy Posts: 1525 Rating: (159)
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1/17/2012 9:00 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 1/16/2026 Posts: 9105 Rating: (1204)	Dear Sashi Ramesh, Please check if you are using a MMC (Micro Memory Card) It is absolutely necessary. Best regards, Wizard

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