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negate output of counter

Created by: krneki10 at: 8/22/2012 4:18 PM (2 Replies)

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8/22/2012 4:18 PM	Rate (0)
krneki10 Posts: 45 Rating: (0)	I need to negate output of counter down, so output Q0.5 will always be on 0 except when counter itself counts down from 2 to 0, then Q0.5 should be on 1. I tried to solve that with \|NOT\|, but in that case, output Q0.5 will be on 1 by default, because counter is not initialized by M0.4 before program starts. Attachment S_CD.JPG (104 Downloads)
krneki10 Posts: 45 Rating: (0)
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8/22/2012 4:58 PM	Rate (0)
Goodas Posts: 37 Rating: (0)	Use a comparator, (less than or equal to) to control your output, Not with simatic software right now so can't do a screen shot for you. Good luck
Goodas Posts: 37 Rating: (0)
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8/22/2012 5:22 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 8/31/2025 Posts: 6874 Rating: (1368)	krneki10 I need to negate output of counter down, so output Q0.5 will always be on 0 except when counter itself counts down from 2 to 0, then Q0.5 should be on 1. I tried to solve that with \|NOT\|, but in that case, output Q0.5 will be on 1 by default, because counter is not initialized by M0.4 before program starts. Hello , See the attachment for a flexible solution.You can select the region you want to turn on the output by comparators. Best regards Hamid Hosseini Attachment counter.jpg (117 Downloads)
	Demo Channel on Youtube
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