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CPU315 2PN\DP

Created by: A Shah at: 8/9/2012 9:59 AM (2 Replies)

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8/9/2012 9:59 AM	Rate (0)
A Shah Advanced Member Joined: 11/12/2011 Last visit: 9/27/2023 Posts: 24 Rating: (0)	Friends, I have CPU 315 2PN/DP, Connected to KTP 400. I set the CPU time from PLC-->SET time of Day. then i transfer my LAPTOP date and Time to CPU and Update it. After that i check on Module info that date and time is set as system time of CPU. But when i power OFF the machine and starts again. it will again show on old data like 01-01-2004. I m not able to understand why this happen. Can anybody help me?

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8/9/2012 10:38 AM	Rate (0)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 12/15/2022 Posts: 5697 Rating: (708)	Hello, The CPU clock should stay o.k. for 60H after power down, unless you messed with time sync settings In CPU properties. If you mean the HMI is showing wrong time: How do you synchronize the date and time between an operator panel and an S7-300/S7-400 controller with WinCC flexible? Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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8/9/2012 10:54 AM	Rate (0)
A Shah Advanced Member Joined: 11/12/2011 Last visit: 9/27/2023 Posts: 24 Rating: (0)	Hello, I m checking same thing on CPU = Module info screen--> System time and it shows old date. and same data is display on HMI. I thing problem with CPU stetting as its not display proper date on module info.
	Last edited by: A Shah at: 8/9/2012 10:56 AM
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