====== WR-5 ======

**Wireless Modbus relay**

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{{hiq_components:wr-5_main_picture.png  }}

</WRAP>


|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 =====

{{:hiq_components:wr-5_dimensions.png?600|}}



===== Terminals =====

{{:hiq_components:wr-5_terminals.png?600|}}

===== Examples =====

{{:hiq_components:wr-5_examples.png?770|}}