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--- components:wr-5 [2026/03/16 15:11] – removed - external edit (Unknown date) 127.0.0.1
+++ components:wr-5 [2026/03/16 15:11] (current) – ↷ Page moved from wiki:21_hiq_components:wr-5 to components:wr-5 goran.kocjancic
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+====== WR-5 ======
+**Wireless Modbus relay**
+<WRAP column 400px>
+{{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|}}