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====== Wireless Modbus-to-Modbus bridge ======

**Wireless Modbus-to-Modbus bridge**

</WRAP>

===== Applications =====

* Replacement for RS485 wiring solution with wireless. Optimal for long range Modbus RTU serial communications with half duplex configuration.

</WRAP>

===== Installation =====
  * :!: Carefully open WM-1 module and configure serial communication with jumpers. (Default configuration is 9600bps, 8N1 with normal timeout)
  * :!: Place WM-1 module at least 10cm from other objects. Installation is not recommended inside metal cabinets.
  * Connect RS485 terminals to WM-1 RS485 terminals
    * A - A
    * B - B
    * C - GND
  * Connect to 230V power supply
  * Configure radio pairing

===== Features =====

* replacement for RS485 wiring
  * Modbus RTU serial protocol
  * wired/wireless combinations
  * very long range, no hopping
  * protected private connection
  * multiple slaves per device
  * multiple addressable groups

===== Technical specification =====

===== Terminals and wiring =====

| To power sensor ^ A | RS485 bus  |
| :::            ^ B | :::        |
| :::            ^ C | :::        |
| To power supply ^ L| 230V AC |
| :::             ^ N| :::     |

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