Liquid Level Controller PLC Project
Автор: Nicholas Lolev
Загружено: 2012-10-25
Просмотров: 6369
Описание:
A liquid level control PLC program designed for the Feedback 38-100 Basic Process Rig using the Allen-Bradley Micro830 PLC as part of my university electrical engineering final year project. The program uses basic ladder logic to code on-off control for the liquid level control system. The rig is comprised of 2 centrifugal pumps, 3 solenoid valves to regulate flow in and out of the top tank and a float level potentiometer sensor to measure liquid level.
The black control knob I am changing is used as a 4-20mA reference signal as the input set point for the control system. The digital display module displays the output of the level potentiometer, scale is again 4-20mA. You can hear the solenoid valves opening and closing as the program regulates liquid level.
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