In the Estlcam Software:
Open „Setup->CNC Controller ->(Tap) Inputs“.
Figure 4.1.3
Instead of the mechanical limit switches, you can also connect induction sensors that
are operated with 5 volts.
Figure 4.1.4
Connect the sensors and then measure the voltage that is connected to the E1-3
terminals, then you can adjust them up to 5v at the potentiometer of the DC-DC
converter.