Auoeer 4 Axis MACH3 Motion Controller Card Breakout USB CNC Control Card 4Pcs TB6600 Stepper Motor Driver

3. Need to use 24V external power supply to isolate USB and external port, and to make the system more stable. 2. Maximum step-pulse frequency is 100 KHz, which is suitable for servo or stepper motor; 4. 4 general-purpose inputs, you can turn the limit switch, probe switch, switch, back to zero and other device 1. Support for 4-axis linkage, you can connect four stepper or servo motor drives units; 5. 4 general-purpose relay isolated converter output interface, can drive four relays to control shaft starts, forward rotation and reverse rotation, pumps and other devices;