CNC4PC C11G - Status LEDs for Inputs and Outputs; Convenient Ground and +5 VDC Connections; External Enable Pin (EN); Software and Hardware Compatibility

User’s Manual Page 2
2. Instal UC100’S Driver
http://cncdrive.com/MC/UC100%20files%20for%20manual%20installation/UC100_USB%20
drivers.zip
3. Connect an E-Stop button to short the E-Stop terminals, disable the Safety Change Pump
(OFF). This should give you a green LED. IF not, check other possible fault conditions and
make sure they are not active.