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Stable Control of Water Supply and Drainage for Water Tanks

Case Number 277

last update: April 13, 2015

Stable reading of rapid input changes, such as surface waves in water tanks

ON/OFF control of water-supply and drainage pumps is performed by measuring the water level in the tank using an ultrasonic displacement sensor. Fluctuations in the present value caused by surface waves can be smoothed by using the input digital filter to stabilize control.


Stable water tank supply and drainage are performed by using the input digital filter function of the Temperature Controller.

Benefit / Efficiency

Control can be performed with stable water tank supply and drainage.

Use Products

E5CC, E5CC-B, E5CC-U Digital Temperature Controller (48 x 48 mm) E5CC, E5CC-B, E5CC-U

48 x 48 mm. Large White PV Display That's Easier to Read. Easy to Use, from Model Selection to Setup and Operation. A Complete Range of I/O Capacities, Functions, and Performance. Handles More Applications. E5CC-B is our Value Design product which increase the value of your control panel.