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hiq_components:wr-5

WR-5

Wireless Modbus relay

Model number: WR-5

Features

  • wireless fan-coil controller
  • 5 remote controlled relays
  • 1 temperature sensor input
  • 1 digital input, dry contact
  • modbus RTU slave protocol
  • very long range, no hopping
  • up to 16 devices per group
  • multiple addressable groups
  • protected private connection

Technical specification

MODBUS

Address range: 220..235
Data bits & parity: 8n1
Supported functions: 01 – read coils
04 – read input registers
05 – write single coil
15 – write multiple coils

RELAY OUTPUT

Nominal rating: 5A 250VAC resistive
Timeout: 24h (reset if no messages)

TEMPERATURE SENSOR

Input type: ES digital sensor DS18B20
Connection protocol: 1-wire digital thermometer
Sensor error -1000: missing, -1001: short
Measuring range -50..+125°C
Accuracy ±0.5°C (-10°C to +85°C)
Cable length 50m, UTP 0.25..0.5mm2

RADIO

Frequency band: ISM 868MHz (EU)
Subband: L 866.8MHz, 25mW, 1% utility
Modulation FSK 38.4kbps 80kHz bandwidth
Group address 32-bit, automatically generated
Listen before talk yes, delay limited to 20ms
Startup time 10s power-on to network ready
Message delay 5ms from tx start to relay on
Operating range 300m with optical visibility
Output power 25mW

GENERAL

Power supply 230V, 50..60Hz, 3.5W
Terminals 0.25..2.5mm2
Operating conditions -20..+50°C, 0..85% rh nc
Storage temperature -40..+85°C
Weight 220g
Degree of protection IP20
Standards EN60730-1, EN300-220-2, EN 301 489-1, EN 301 489-3

Dimensions and mounting

Terminals

Examples

hiq_components/wr-5.txt · Last modified: 2023/12/12 08:19 by alen.mejak