... stop to down the heatSpindle relay output, easy to use software such as mach3 to control spindle start and stop.5 ... set up limit,emergency,centred,tool setting etcWith manual port,and connect with manual control equipment12—36V single switching power supply,microchips ... Motor Driver board1 x DB25 parallel cable 1 x FanEnglish user manual will send by emailMACH2/3:http://www.artsoftcontrols.com, EMC2 ...