Clarified water storage tank

Level alarms


Water App 3



The clarified water storage tank is used to store water from the clarifier settling tank. A high and low level alarm is needed to control the water level.


The water level is measured with a two-wire radar transmitter connected to a 4116 universal transmitter with the PR 4501 display / programming front attached.
The two alarm relays are connected to a digital input card using on and off delay settings in the 4116. The 4...20 mA signal from the sensor is converted to a 0...10 VDC signal for an analog input card on the PLC. With its high isolation and flexible AC or DC power supply, the 4116 is the logical choice here.





 Water App 3B Drawing




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