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Citect time based pressure control

sandeep

Hi,

I am new to schneider citect and we have an existing SCADA citect v7.3. We have added one control valve and we wish to set the pressure based on different time example

7AM=1.2bar,

12pm=1.5bar

14pm=1.7bar etc

operator should have the option to enter time and pressure how can i implement this please

sandeep

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  • Hi sandeep;
    If your PLC have a real time clock, you can send the data to it and create rungs to set the set point.

    In Citect:
    1. Create array tag for time, and one for set point.
    2. Create a function that check the current time and pass the arrays and find the desire set point.
    3. Create event that operate the function every hour.
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  • Hi sandeep;
    If your PLC have a real time clock, you can send the data to it and create rungs to set the set point.

    In Citect:
    1. Create array tag for time, and one for set point.
    2. Create a function that check the current time and pass the arrays and find the desire set point.
    3. Create event that operate the function every hour.
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