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weekly timer

Created by: samkcr at: 4/17/2009 9:36 AM (3 Replies)

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4/17/2009 9:36 AM	Rate (0)
samkcr Bronze Member Joined: 3/24/2009 Last visit: 3/20/2023 Posts: 406 Rating: (3)	Hi all, How to introduce the weekly timer concept in STEP 7 ?.I have to run the machine with aday and time selection. Example monday morning 6.00 am to evening 6.00 pm during this period the machine has to start automatically and get off automatically. Help me out from this issue........
	All is well :-)
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4/17/2009 9:43 AM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 4/12/2023 Posts: 10221 Rating: (1176)	Hello, This has already discussed here. The idea is to use SFC1 to read date/time from CPU...Look at How can you read out the date and time with SFC1 (READ_CLK) and input them with SFC0 (SET_CLK)? ...You can find here opinions and advices about this issue with search "SFC1"... Hope this will helps. Best regards Hristo MIhalev

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4/17/2009 9:49 AM	Rate (0)
miami Platinum Member Joined: 8/31/2005 Last visit: 4/24/2023 Posts: 2194 Rating: (320)	I found 3 possible soloutions: free: http://support.automation.siemens.com/WW/view/en /21669756 (just use the FBs included in the example and ignore the HMI-part) with AVC: http://support.automation.siemens.com/WW/view/en/15364595 with AVC: http://support.automation.siemens.com/WW/view/en/8878793

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4/17/2009 10:07 AM	Rate (0)
Aret Posts: 2348 Rating: (259)	Also take a look on OB1x
Aret Posts: 2348 Rating: (259)
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