1
Wire Color Mapping
Use the standard four-wire connection between the water meter and the HPzenAi Gateway. Verify wire polarity before powering the system.
Image
| Wire Color | Connection |
|---|---|
| Yellow | RS485 A (+) |
| Green | RS485 B (-) |
| Red | Power (+V) |
| Black | Power (GND) |
2
Communication Installation Requirements
- 1Connect the RS485 communication cable between the water meter and the HPzenAi Gateway.
- 2Verify correct wiring polarity before powering the system.
- 3Ensure all terminal connections are securely tightened.
- 4Route communication cables separately from high-voltage power cables to minimise electrical interference.
- 5Protect outdoor cable runs using suitable conduit or cable protection.
- 6Confirm successful communication after installation.
3
Communication Verification Checklist
- 1Yellow wire connected to RS485 A (+).
- 2Green wire connected to RS485 B (-).
- 3Red wire connected to Power (+V).
- 4Black wire connected to Power (GND).
- 5Gateway powered and online.
- 6Water meter detected by the gateway.
- 7Communication established successfully.