4-Axis USB Mach 3 RNR Eco Motion Controller v2.0 100KHz (with Drivers Copy of Mach3 Software and 1.5m USB cable)

No of Axis: 4  (you can connect four stepper motor drives or servo drives) Maximum step-pulse frequency: 100KHz  (suitable for smooth servo or stepper motion) Automatic probe tool Support: Yes Emergency input: Yes Limit switches: Yes (4 general-purpose inputs, you can connect the limit switch, estop switch, probe switch, back to zero and other device) Electronic handwheel Support: Yes Optical Isolation between USB Side Control and External inputs: Yes External Voltage: 12V/24V Spindle Control Output: Yes (0-10V output port) Isolated Outputs: 4 general-purpose isolated relay drive output interface (can drive four relays for controlling the spindle starts, forward rotating and reverse rotating, pumps and other device) Status LED: 1 Status LED (indicate connection status of the controller board) Size: 8×7.7cm /3.15×3.03inch Tested with following Operating Systems: Windows XP (direct) Windows 7 64bit /32Bit (direct) Windows 10 7 64bit /32Bit (direct)