The paddle installed on the main shaft of the anti-rotation level switch continuously rotates under the drive of the internal motor. When the detected object is
not applied to the paddle
Under load, the blades are constantly rotating, but when the blades stop rotating due to the load brought by the detected object, the motor will also stop.
Stop rotation and trigger the contact output at the same time. At this time, in order to protect the motor, a device that automatically cuts off the power of the
motor is installed.
In addition, when the force preventing the motor from rotating disappears, it will re-rotate by restoring power to the motor, and at the same time, the contact
output will be switched.
out. Through the above operations, the presence or absence of the detected object can be detected.