M23 12-pin connectors are used for incremental and absolute encoders on servo motors and linear scales, carrying power, A B Z quadrature signals, differential RS-422 pairs, and data communication lines.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | Encoder supply voltage 5V or 24V | PWR |
| 2 | GND | Ground | GND |
| 3 | A+ | Channel A positive RS-422 | BUS |
| 4 | A- | Channel A negative RS-422 | BUS |
| 5 | B+ | Channel B positive RS-422 | BUS |
| 6 | B- | Channel B negative RS-422 | BUS |
| 7 | Z+ | Index pulse positive | BUS |
| 8 | Z- | Index pulse negative | BUS |
| 9 | U+ | Commutation track U positive | BUS |
| 10 | V+ | Commutation track V positive | BUS |
| 11 | W+ | Commutation track W positive | BUS |
| 12 | SHIELD | Cable shield drain | GND |
M23 12-pin connectors are used for incremental and absolute encoders on servo motors and linear scales, carrying power, A B Z quadrature signals, differential RS-422 pairs, and data communication lines.