Finish light barrier has not triggered

If the finish light barrier a not triggered, the light barrier lights up green and no signal is received at the Input 0.

Finish light barrier has triggered 

If the finish light barrier has been triggered, the light barrier lights up red and a signal is received at the Input 0 and lights green.

Potentiometer of dead time

The dead time is the time during which the light barrier is blocked after a photocell pulse. It starts at that point when the light beam is no longer disrupted. The setting should be between 1000 and 1200ms.