Wiring Diagram

Note: Us is the power supply terminal for the coupler, and Up is the power supply terminal for the expansion module.
Terminal Description
| Wiring terminal | Description |
| Up_24V | Positive pole of coupler power supply terminal |
| Up_0V | Negative pole of coupler power supply terminal |
| Us_24V | Positive pole of expansion module power supply terminal |
| Us_0V | Negative pole of expansion module power supply terminal |