When both the receivers receive the rays from the emitter the control units relay is energized to operate the feed motor load. Once the bin is filled and the signal to the top receiver interrupted the set delay time counting starts and on completion of the set time the relay de-energises the relay thus switches off the feeder motor. The feeder motor operated once again when the bottom receiver starts to get the signal from the emitter.
This is a light switch working on direct or reflective transmission principle
It consists of high intensity emitter source and high sensitive receiver
The signal received from the receiver will operate a relay with ON delay or OFF delay depending on mode selected
The time range can be 0.3 sec / 30 sec
Applications
Textile industries
Function
On-delay mode: When the light from the emitter is received by the receiver probe, the set time counting starts and operates the relay on the completion of the set time and switching on the load. Relay will reset on power interruption or when the signal gets interrupted.
OFF-delay mode: When the light from the emitter is received by the receiver probe, immediately relay contacts change over and the set time counting starts, on the completion of the set time relay reverts back to original position and switching off the load.
Ordering Information
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