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Created by: kvermeulen at: 3/27/2012 1:32 PM (1 Replies)

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3/27/2012 1:32 PM	Rate (0)
kvermeulen Advanced Member Joined: 6/24/2011 Last visit: 3/11/2024 Posts: 3 Rating: (0)	Dear Is it posseble to calculate logarithm in S7 netwerk. I want to calculate the follow assertion pH=-log[H⁺] --> [H⁺] = 10^-pHIs there anybody that kan help me? Thank u...

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3/27/2012 2:26 PM	Rate (0)
miami Platinum Member Joined: 8/31/2005 Last visit: 10/22/2024 Posts: 2198 Rating: (328)	Use REAL values (floating point) and the commands LN, EXP and log_a(x)=ln(x)/ln(a) and a^x=e^x*ln(a) Have a look at this FAQ too: http://support.automation.siemens.com/WW/view/en/8795702

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