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Analogue output redundancy with PCS7 V6.1

Created by: ChessMaster at: 5/13/2009 3:22 PM (3 Replies)

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5/13/2009 3:22 PM	Rate (0)
ChessMaster Posts: 84 Rating: (1)	Dear Phantom I have a problem in Analogue output redundancy. My project is with PCS7 V6.1 with CFC language. I changed the OB of every AO channel to OB38, and also i decreased cyclic time of this OB to minimum, but stil the output is changing between two values in all redundant Analogue Output. I get so tired to solve this problem. Please help me.
ChessMaster Posts: 84 Rating: (1)	Last edited by: Blue Moderator at: 5/13/2009 8:25 PM Splitted and renamed thread
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5/13/2009 4:08 PM	Rate (0)
Phantom75 Posts: 2661 Rating: (279)	Hi ChessMaster, What is the scan time of OB38? What is the time period that the output goes low? Can you trend in CFC and post screenshot? If the time time period is greater than 1 to 1-1/2 of your scan cycle, there is problem with your config... Regards
Phantom75 Posts: 2661 Rating: (279)
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3/22/2016 3:30 PM	Rate (0)
AutoGen_685927 Posts: 30 Rating: (0)	I am facing exactly the same issue.......When I check the vat table the counts of the Qword are changing between two values................. What can be the possible caused??????????? Please tell me as I have referred several manuals, but I am not able to get rid of the problem..
AutoGen_685927 Posts: 30 Rating: (0)
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3/22/2016 4:06 PM	Rate (0)
Oreca Platinum Expert Joined: 3/14/2008 Last visit: 11/11/2024 Posts: 2126 Rating: (951)	Did you also set the correct PIP? Or are you using OB1 image? Does the DB numbers of the redundant IO conflict with any of the user created DB's???
	If I could help you, you can use the RATE button. Thank you. Prospact Netherlands...your PCS7 and PCS neo Expert Topic: PCS7 Complete Overview
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