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s7-300 memory problem

10/20/2021 1:23 PM	Rate (0)
engineeeer Posts: 60 Rating: (0)	hi dears I make modification of a function and try to download it to cpu but there is a message that there is no enough space . i opened the diagnostic buffer of the cpu ( please see the attached file ) . What can i do to slve that problem. Attachment Capture 3.JPG (583 Downloads)
engineeeer Posts: 60 Rating: (0)
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10/20/2021 1:34 PM	Rate (0)
Ste39 Posts: 4620 Rating: (710)	engineeeer hi dears I make modification of a function and try to download it to cpu but there is a message that there is no enough space . i opened the diagnostic buffer of the cpu ( please see the attached file ) . What can i do to slve that problem. Hello, and if you press "Compress" button?
Ste39 Posts: 4620 Rating: (710)
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This contribution was helpful to 1 thankful Users dchartier

10/24/2021 8:11 AM	Rate (0)
engineeeer Posts: 60 Rating: (0)	i didn't try to do that because i am afraid of program lost or partial damage of any function
engineeeer Posts: 60 Rating: (0)
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This contribution was helpful to 1 thankful Users mirip

10/24/2021 12:45 PM	Rate (1)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 1/16/2026 Posts: 12481 Rating: (2722)	Hello engineer; This is how memory compression is explained in the Programming with Step 7 manual: https://support.industry.siemens.com/cs/ww/en/view/109751825 So there should be no effect on the programmed functions in the PLC. Hope this helps, Daniel Chartier Attachment CPU S7-300 memory compression.jpg (649 Downloads)

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This contribution was helpful to 1 thankful Users mirip

10/28/2021 8:16 PM	Rate (0)
engineeeer Posts: 60 Rating: (0)	thanks alot i made the compression of memory and it was successful . now the memory drops from 91% to be 28 %
engineeeer Posts: 60 Rating: (0)
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