User manual for the JYS-YX-K-01 rain/snow sensor by Juying Aoxiang, covering features, wiring, Modbus communication and configuration.
The JYS-YX-K-01 rain/snow sensor measures precipitation in outdoor environments such as greenhouses, farms, and buildings. It offers wide voltage supply, RS485 Modbus communication, automatic heating, and adjustable sensitivity, all housed in an IP68‑rated enclosure.
The manual provides product overview, main technical parameters, RS485 wiring instructions, Modbus register details, software setup, configuration of device address and baud rate, installation dimensions, troubleshooting tips, and technical support contacts. This manual is written in Chinese.
| Supply voltage range | 7-30VDC |
|---|---|
| Data interface | RS485 (standard MODBUSRTU protocol) |
| Power consumption | ≈0.3W (24V 14mA) |
| Heating start temperature | 5 °C |
| Heating stop temperature | 10 °C |
| Relay output contact rating | 250VAC 10A |
| Operating temperature range | -40 °C ~ 60 °C |
| Operating humidity range | 15% ~ 95% (no condensation) |
| Default communication format | 9600,n,8,1 |
| Supported baud rates | 2400, 4800, 9600, 19200, 38400, 115200 |
| Waterproof rating | IP68 |
| Weight | 156 g |
The sensor operates from –40 °C to +60 °C.