I am using PID first time in Allen Bradley.I have to Tune a PID on the basis of Pressure Transmitter.I have 3 pumps and pumps will run/stop according the output of the Pump.If the output is greater than 80% then I have to start the next pump and if the output of PID is less then 30% than I have to stop the pump.
Using PID first Time in Allen Bradley
- Thread starter obi1987
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Eddie Willers
Member
A major component of engineering is being able to express technical ideas clearly, and provide useful quantitative information.
First, which Allen-Bradley controller ? The PID instructions in the PLC-5, SLC/MicroLogix, and ControlLogix function differently.
You described criteria for "the next pump" and "the pump".
Try writing out your control criteria for three pumps.
Are the pumps controlled by variable-speed drives ?
Why are you using PID instead of discrete logic ?
First, which Allen-Bradley controller ? The PID instructions in the PLC-5, SLC/MicroLogix, and ControlLogix function differently.
You described criteria for "the next pump" and "the pump".
Try writing out your control criteria for three pumps.
Are the pumps controlled by variable-speed drives ?
Why are you using PID instead of discrete logic ?
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