
Note: Us is the coupler power supply terminal and Up is the expansion module power supply terminal.
| 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 |