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Internet of things 485 gateway

  Hdr30-w01 Internet of things 485 relay gateway is based on the design of all industrial products, equipped with low-power high-performance RF front-end, supporting 802.15.4 protocol, receiving monitoring data uploaded by WEMS and HDR series sensors; equipped with isolated RS485 data interface, it can upload wireless sensor network data to the upper gateway or server in real time through flexible networking mode. Modbus protocol, which is widely used in the industrial field, is convenient to connect with various hosts. It belongs to the category of transport layer in the Internet of things architecture.


Product characteristics

uplink network interface: isolated RS485, bus speed: 2400, 9600bps or 4800bps.

High reliability: high real-time data transmission, flexible networking and high reliability.

long communication distance: in the open outdoor field, the distance of wireless data transmission is about 500 meters.

Multi interface configuration, firmware update: support RF, network bus and other ways for parameter configuration, as well as centralized programming and update of firmware version.

reinforced IP30 housing: suitable for indoor and outdoor environment and wide temperature range.

minimum wiring requirements: hdr30-w01 adopts DC power supply, 5V is recommended and 12V is supported at maximum

dimension (mm): 52 (L) x 81 (W) x 25 (d)

protection grade: IP30


Network topology


Detailed specifications

1. Wireless parameters

Frequency: 2.4ghz/780mhz optional

Wireless communication rate: 250kbps

Antenna impedance: 50 Ω

Maximum transmitting power: + 3dbm / + 10dBm

Antenna type: external

Maximum transmission distance: 150m / 500m (open environment)

Networking form: multi hop ad hoc network, automatic link discovery, automatic link repair

2. 485 parameters

Baud rate: 2400, 4800, 9600bps

Support protocol: modbus, custom

Connection mode: bus, direct multi-level device cascade

3. Physical and mechanical properties

Dimensions (mm): 52 (L) x 81 (W) x 25 (d)

Protection grade: IP30


4. Power supply

DC5V power supply, maximum support DC12V

Maximum power consumption 2 watts

5. Management

Use HDR / WEMS system auxiliary management software or external application program, local / remote configuration settings and code update.

6. Environmental specifications

Operating temperature: - 40 ° C to + 80 ° C

Humidity: 0 to 95%, non condensing

ordering information

Module type

Working frequency band

working voltage

working temperature