CNC Kit TB6600 Stepper Motor Driver TB6600 3 Axis Controller
Pins define:
| LPT pins | Pin symbols | Functions |
| 1 | PWM | 0-10V output control |
| 2 | STEPX | X axis pulse |
| 3 | DIRX | X axis direction |
| 4 | STEPY | Y axis pulse |
| 5 | DIRY | Y axis direction |
| 6 | STEPZ | Z axis pulse |
| 7 | DIRZ | Z axis direction |
| 8 | STEPC | C axis pulse |
| 9 | DIRA | C axis direction |
| 10 | LIMIT-1 | LPT input signal 1 |
| 11 | LIMIT-2 | LPT input signal 2 |
| 12 | LIMIT-3 | LPT input signal 3 |
| 13 | LIMIT-4 | LPT input signal 4 |
| 14 | ENABLE_ALL | All axis enable input |
| 15 | LIMIT-5 | LPT input signal 5 |
| 16 | NO USE | |
| 17 | RELAY | Relay control |
| 18-25 | GND | Common GND for PC |