The ST-DOT-120 is an opto-electronic amplifier module for DIN-rail mounting for use with DOT transmitters and receivers.
It is a single channel amplifier with relay output made for a variety of supply voltages.
It is quick and easy to install. Just connect power, transmitter, receiver and output and it is ready to operate. When transmitter and receiver do see each other the relay will be standing N.O. When the light is interrupted the relay will switch to N.C.
The D.O.T. Opto Amplifier is designed to be used with the D.O.T Photocells.