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problem in Analog signals siemens

Created by: Saeed Khan at: 8/1/2010 1:22 PM (1 Replies)

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8/1/2010 1:22 PM	Rate (0)
Saeed Khan Posts: 20 Rating: (0)	Hello Everybody, I am facing a problem with my analig signals.I have siemens PLCs 400.Four CPUs 412 and a network of four CPs profibus.Now in my 2,3 analoge cards there is a spike(rise)of analog signals for 2 mints after every 13 mints form 3 days.what can be the problem?anybody can help me?
Saeed Khan Posts: 20 Rating: (0)
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8/2/2010 8:36 AM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 11/1/2024 Posts: 10229 Rating: (1181)	Hello, I suggest you to check wiring there. According to Automation System S7-400 Hardware and Installation Best regards, Hristo Mihalev

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