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By Gabriel Franco · Posted
I don´t use hardware scaling. I use linearize ladder function block instead.. The reason: it can be field and on the fly adjusted just changing tag values (X and Y) -
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Keep in mind that the analog inputs are 14 bit (0-16383) and the analog outputs are 12 bit (0-4095). So if you use the same scaling or linearization for both, it will not be 1 to 1. -
Today's date digits can be fun to play with in the various formats in use. 🙃 -
By JRiddington · Posted
Hi guys, I have now tried starting a new project. Absolutely no ladder at all. I have still got the analog outputs directly wired to the analog inputs. Output 0 to input 0, and output 1 to input 1. I have scaled both inputs and outputs in the I/O settings to have a range from 0 to 10000, they are also both set to 0-10v. I created a watch table for all 4 (analog input 0 and 1, and analog output 0 and 1). If i understand correctly, if i send analog output 0 to a value of 1000 i should get 1000 back on the input? This is not the case i appear to get a value of 340 on the input. How can this be possible? The scaling is the same and one is directly connected to the other. I have checked the voltage and that appears to be correct just not the value of the input.
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