8/3/2014 5:11 PM | |
Posts: 784 Rating: (52) |
Hello, Convert 0-20 mA to 4-20 mA Perhaps this link might help. Best regards......... |
This contribution was helpful to1 thankful Users |
8/4/2014 5:35 AM | |
Joined: 6/13/2012 Last visit: 10/19/2022 Posts: 161 Rating: (4) |
How can you standardize and destandardize analog values with STEP 7 V5.5? This example is about how to convert from 0-20 to calculation process value(*С, tonn/hour etc..), but i need only convert 0-20 to 4-20, all other job makes by “Pcs7AnIn” block (AP Library v8.0), i need it to use diagnostics in "Pcs7AnIn". I try to use the following relationship: y = (y1-y0) / (x1-x0) * (x-x0) + y0, but result is wrong.
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8/4/2014 10:13 AM | |
Posts: 220 Rating: (11) |
I think the mathematical formel to convert is: y=(20-4/20)x+4 Result in mA |
8/5/2014 7:07 AM | |
Joined: 6/13/2012 Last visit: 10/19/2022 Posts: 161 Rating: (4) |
may be: y=0.8x+4, ma ? |
8/5/2014 10:18 AM | |
Posts: 220 Rating: (11) |
which conversion do you use? this one?
cause this is the same like my one.
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