Light transmitter: LED, light type: red, alternating light, signal output: 1 push-pull output, 1 analog output, short-circuit proof, reverse polarity protected, overvoltage proof, interface type: IO-Link (via C/Q = pin 4), circuit type: the delivery state is: C/Q - pin 4: NPN normally open, PNP normally closed, IO-Link U - pin 2: analog output 0 ... 10 V, connection: device plug M12 x 1, 4-pin, rotatable by 90°, operating voltage: 18 ... 30 V DC, ambient temperature: 10 ... 50 °C (50 ... 122 °F)