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Tag delay

5/8/2007 10:18 AM	Rate (0)
RedStar Posts: 3 Rating: (0)	Hi, I need to send a pulse signal, by pressing a button. I used a function SetBitWhileKeyPressed. But because of slow communication performance the signal does not reach the destination, when the button is pressed shortly. Is it possible to make some delay between setting and resetting the bit?
RedStar Posts: 3 Rating: (0)
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5/8/2007 10:20 AM	Rate (0)
Ikkezelf Posts: 1084 Rating: (72)	What i normally do is writing the 1 into the plc and let the plc do the resetting when the 1 is read. is that a solution you can use?
Ikkezelf Posts: 1084 Rating: (72)
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5/8/2007 10:41 AM	Rate (0)
RedStar Posts: 3 Rating: (0)	I have a specific connection: there are 2 modbus masters (HMI, and third party PLC), and between them a slave, acting like ‘transmitter’. And it’s a bit difficult to reset the 1 from the PLC. So, the delay would be the easiest solution.
RedStar Posts: 3 Rating: (0)
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5/8/2007 10:49 AM	Rate (0)
Ikkezelf Posts: 1084 Rating: (72)	What is the result when you use the function SetTagBitWait ?
Ikkezelf Posts: 1084 Rating: (72)
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5/8/2007 11:01 AM	Rate (0)
RedStar Posts: 3 Rating: (0)	I don`t have this function. I`m using WinCC flexible 2005 Standart, SP1 HF6.
RedStar Posts: 3 Rating: (0)	Last edited by: RedStar at: 08.05.2007 11:21
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5/16/2007 4:47 PM	Rate (0)
Marques Posts: 126 Rating: (2)	I advise you to apply the solution given before, but you can make a reset to the bit using a script on the release of the button using a timer. I think that this solves your problem but i don´t think this is a good solution, but you can try it. Marques
Marques Posts: 126 Rating: (2)
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