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Greetings, I'm new to this form and to Unitronics PLCs and I would like to ask for some help/ I previously programmed "allen bradley" PLCs using a software called "RSLogics". The were 4 programming languages that I can use to build the PLC program. However, VisiLogic doesn't have "Structure text" language. I already have done the analog conversion using formulas and created the HMI, but I'm stuck now The program that I am trying to make is simply as follows: A number is written using the HMI and stored in a variable. This number is then compared to analog reading of the pressure sensor. If the numbers were different, then one analog output will be changed to reflect the number entered using the HMI - which will control a pressure regulator. Could anyone please help me with this issue ? Many thanks, Qassim