3/13/2019 9:51 AM | |
Joined: 4/10/2018 Last visit: 2/18/2024 Posts: 44 Rating: (1) |
Thank you for your reply! I am using S7 300 CPU 315 2DP and the Formula is: P=100.778(U-C) |
3/13/2019 10:56 AM | |
Joined: 7/9/2015 Last visit: 5/3/2024 Posts: 3818 Rating: (554)
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Hi, In STEP 7 there is only the option of using Euler's number e for exponential calculations. For your operation you need special FC1 from this link: How do you calculate power, exponential, root, polynomial, logarithm and linear values and how do you convert trigonometric functions into degrees?All other calculations are clear, right? Regards, Towome |
Last edited by: Towome at: 3/13/2019 10:56:59 AM
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This contribution was helpful to1 thankful Users |
3/14/2019 10:04 AM | |
Joined: 4/10/2018 Last visit: 2/18/2024 Posts: 44 Rating: (1) |
thank you for your reply! I tried it, but still have a problem, as the final step when I take the exponential of x.ln P as per attached picture, it gives me an alarm and I cannot get the final value, pls. any extra idea to solve this problem?. thanks a lot. .
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