Download Analog input/output modules

Modicon M340 with Unity Pro
Description of the application
35011978 07/2012
Description of the Application
17
Overview of the Application
At a Glance
The application described in this document is used to manage the level of a liquid in
a tank. The tank is filled by a pump, and drained using a valve.
The level of the tank is measured with an ultrasonic sensor placed below of the tank.
The volume of the tank is shown by a digital display.
The desired level of liquid is defined by the operator, using a potentiometer
The application’s operation control resources are based on an operator screen,
which shows the status of the various sensors and actuators, as well as the level of
the tank.
The high tank level is defined through the operator screen.
35011978 07/2012
285