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Analog Value reading problem s7-1200

Created by: AMY_123 at: 1/24/2012 11:56 AM (1 Replies)

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1/24/2012 11:56 AM	Rate (0)
AMY_123 Posts: 1 Rating: (0)	Dear all I have one problem regarding Analog Value reading for s7-1200 plc. I am using SM1234 analog module for the first time. Please let me know how do i read my 4 to 20 mA input into PLC s7-1200 & how do i scale it to 0 to 100% for HMI display. Please help me for above problem.I tried lot of things like NORM-X, SCALE-X but still confused. Thanx..
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1/24/2012 1:52 PM	Rate (0)
LarryAm Silver Member Joined: 9/19/2011 Last visit: 12/6/2023 Posts: 136 Rating: (33)	Here are some screen shots that might help. See attachment. Note that in the 0 to 20 mA range the analog input reports 4 mA = 5529 and 20 mA = 27648. Attachment CurrentInputScale.zip (611 Downloads)

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