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I need to lock, or see if sometimes was any change of the PLC!!!

Created by: aliuta2000 at: 3/12/2009 1:36 PM (4 Replies)

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3/12/2009 1:36 PM	Rate (0)
aliuta2000 Bronze Member Joined: 1/26/2007 Last visit: 7/29/2025 Posts: 123 Rating: (4)	Hello, I have few working station with S7-300. I have anlso and PG from Siemens for Maintenance . They do not need to be able to change the program , only to see the program online. It is any chance to restrict their acces, or to see in PLC if there was any downlod to PLC (even if is the same block)??? I need this because they start to work , and they do not understand the process and they block the working station , and the Traceabilty for work station (and i do not want this ). is any chance to do this ???

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3/12/2009 1:42 PM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hello, Look at Preventing unintentional online modification of a block. Be careful! Memory reset is working. And do not forget the password. regards

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3/12/2009 1:59 PM	Rate (0)
aliuta2000 Bronze Member Joined: 1/26/2007 Last visit: 7/29/2025 Posts: 123 Rating: (4)	it is running also for S7-300 because i have seen in the tutorial the CPU was S7- 400. i will protect only for writing , because they need to see online the the program . this means the option nr 2

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3/12/2009 2:20 PM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hello Yes, this is also valid for S7-300. And 2 - this means the protection level 2 (only reading access). regards

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3/12/2009 2:42 PM	Rate (0)
aliuta2000 Bronze Member Joined: 1/26/2007 Last visit: 7/29/2025 Posts: 123 Rating: (4)	thank you very much

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