PLC program for water level control logic

 To control the level of the water storage tank by turning on and off the vacuum pump based on the low and high levels.


Logic description:
Automatic: If automatic mode is selected in the local control panel, the pump will be logically controlled based on the low level switch and the high level switch
Manual: If manual mode is selected in the local control panel, then regardless of the low level switch and the high level switch state, the pump will be controlled manually using the on/off button on the local control panel.
When the water level reaches a low level, the pump will stop.
If the water level reaches a high point, the pump will start so that the water can drain and thus lower the level.
Indicator panel: This panel has LED lights to display the status of the water level control. It has low level and high level starting and signal pump
If the pump is on, the pump running status light will be on.
Then, if the low level switch is activated, the low level status light will come on.
If the high level switch is activated, the high level status light will be on.


 Automatic mode selection and high level switch activation

 

 

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