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Power failure time

Created by: Rawl at: 2/16/2012 10:08 AM (3 Replies)

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2/16/2012 10:08 AM	Rate (0)
Rawl Posts: 14 Rating: (1)	Hello, I am using a s7 1214C PLC. I wanted to calculate the power failure time in plc. say suppose my plc is powered on at 0900hrs and there is a power failure from 0945hrs to 1000hrs. Is there any way i can get this power duration of 15 min.??? plz help. rawl
Rawl Posts: 14 Rating: (1)
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2/23/2012 10:07 AM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 1/17/2025 Posts: 4394 Rating: (1463)	Hi, Program and retaintive setting data are not "loose" in S7-1200. They are saved in intern not erasble memory. The problem stay just with the time clock. To sove this problem, if necessary, I suggest you use an external time sincronization method (like NTP). So you will be power failure time independent.
	Denilson Pegaia Siemens Industry Sector Technical Support
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2/24/2012 5:31 PM	Rate (0)
Rawl Posts: 14 Rating: (1)	hi, can i get any details about NTP??? i dont have any knowledge about it.. best regards Rawl
Rawl Posts: 14 Rating: (1)
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2/24/2012 6:32 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 1/17/2025 Posts: 15541 Rating: (2465)	Rawl hi, can i get any details about NTP??? i dont have any knowledge about it.. best regards Rawl http://en.wikipedia.org/wiki/Network_Time_Protocol
	science guy
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