Plasma Touch Sensor Configuration for UCCNC with Macro

Wiring a single NPN sensor.

Wiring multiple NPN sensors in series.

General Recommendations on Setting up Home/Limit Switches: 

1. Note that the Limit function is disabled while homing, so it is smart to use the same switches for homing and limits.  It is also a good practice to connect positive and negative signals to the same input, as the control software really cares only to know which axis the signal comes from, but the software knows in what direction the axis is moving.
2. Test with just one Switch. 

Wiring  of the C76 board connection with PNP sensor

Wiring C76 board connection with PNP sensors

General Recommendations on Setting up Home/Limit Switches: 

1. Note that the Limit function is disabled while homing, so it is smart to use the same switches for homing and limits.  It is also a good practice to connect positive and negative signals to the same input, as the control software really cares only to know which axis the signal comes from, but the software knows in what direction the axis is moving.
2. Test with just one Switch.  Once set up for the switch is complete, proceed to the other switches which should

Wiring Mechanical Limit Switch on a C76

Wiring Mechanical Limit Switches on a C76

General Recommendations on Setting up Home/Limit Switches: 

1. Note that the Limit function is disabled while homing, so it is smart to use the same switches for homing and limits.  It is also a good practice to connect positive and negative signals to the same input, as the control software really cares only to know which axis the signal comes from, but the software knows in what direction the axis is moving.
2. Test with just one Switch.  Once set up for the switch is complete, proceed to the other switches which should go the same way as the