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S7-300 and CP343

12/23/2009 10:02 PM	Rate (0)
KvdM Regular Member Joined: 4/21/2009 Last visit: 5/29/2024 Posts: 38 Rating: (0)	I recently installed a CP343 Lean in a rack with a 315-2DP. Everything worked fine, but a couple days later (after some power up/down cycles), the CPU and CP were in stop mode. The CPU diag buffer did not indicate anything suspicious pointing to the CP as an issue. I did not know to look in the CP diags at the time. After restarting the CPU, repeated power cycling did notcause the same problem. My question isas follows: Are there some required OBs for the CP343 Lean that are required in the event of an error, that if they were not present, would cause the processor to go to STOP mode?

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1/7/2010 11:42 AM	Rate (0)
little holmes Experienced Member Joined: 12/9/2009 Last visit: 4/18/2024 Posts: 156 Rating: (11)	Hello, I have found the followingmanual "". http://support.automation.siemens.com/WW/view/en/1214574 Thechapter 1 "Oranization Blocks" describes all organization blocks. There are OB 86,87 and 88. Maybethis OBshelp you. Good Luck Little Holmes

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