Direct USB Connection. (Max 5 M Cable)<br />Works with USB voltage 5Volt 185ma (do not need an external voltage ) 65db Arc voltage filter, For cur voltage input<br />CNC program controlled on/off M3/M5 & THC On/off<br />Auto Antidive protection & Antidive Speed calibration DRO (Set File)<br />Cur voltage sens Low voltage input 0to10volt or 50 to340v standart Cur voltage<br />The system will respond to arc voltage changes of less than 340/5 volt.<br />Regular speed of retract exceeds 200 ipm (5.0 m/norm)Over-voltage protection automatically eliminates "torch diving" during large, out-of-limits<br />Arc voltage fluctuations; such as kerf crossings or cutting off the edge of a plate<br />(G28.1) For mach3 plasa Built-in probe touch-retract initial height sensing (IHS) (Set File)<br />Feature ensure saccurate, repeatable initial piercing height settings...<br />Plasma system interface module (Set. File For Mach3 Plasma program