CNC Control System Kit, 1XRed Breakout Board USB MACH3 100Khz 4 Axis Interf I2R7. 1 Support for 4-axis linkage, you can connect four drives or servo drives; 2 Maximum step-pulse frequency is 100 KHz, which is suitable for the servo or stepping motor; 3 Support automatic probe tool 4 Support Emergency input 5 Support for limit switch 6 Support for connecting electronic handwheel 7 Need use external 24V DC power supply to isolate USB and external port, and to make the system more stable.8 Have 0-10V output port, you can use mach3 software to control the spindle motor speed. 9 4 general- inputs, you can connect the limit switch, estop switch, probe switch, back to zero and other device 104 general- isolated relay drive output interface, can drive four relays for controlling the spindle starts, forward rotating and reverse rotating, pumps and other device; 111 status LED, indicate connection status on the board. Colour:black+red Material:plastic Drive type: DM556 Package Contents: 1 x Red Eagle Card 4 x Drive 1 x Black USB Flat Cable 1 x CD. This item is in the category "Business, Office & Industrial\Industrial Automation & Motion Controls\Drives & Starters\Drives & Motor Controls\Stepper Controls & Drives". The seller is "shoptuny" and is located in this country: CN. This item can be shipped worldwide.