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The BMS-WiNG-868 leverages RLE’s WiNG-868 wireless sensor technology and allows it to integrate via protocols into any building management system (BMS) or alarm monitoring system.

The BMS-WiNG-868 Includes:

  • Uses 868MHz radio-based communication
  • Supports up to 50 WiNG-868 sensors.
  • Transmission range between BMS-WiNG-868 and sensors up to 600 feet.
  • Robust protocols for communication with any Modbus RTU or BACnet MS/TP system.
  • No user interface or separate software required – integrates directly with existing BMS and alarm monitoring systems.
  • Enclosure mounts in a panel, on a DIN rail, or on a wall.

Power: Hardwired 24VDC, 500mA or RLE power supply PSWA-DC-24-ST (optional; not included)

Included Equipment: BMS-WiNG-868, DIN rail mount adapter, USB mini B to USB A cable

Required Accessories: WiNG-868 sensors

Maximum Number of WiNG sensors per BMS-WiNG-868: 50 sensors

Communications: 868MHz

  • EIA-232: USB Connector; 115200 Baud, 8 data bits, no parity, 1 stop bit
  • EIA-485: 9600, 19200, 38400 or 76800 baud (selectable); Parity: None, 8 data bits 1 stop bit


  • Modbus RTU (EIA-485): Server RTU mode, supports function codes 03 and 04
  • BACnet MS/TP (EIA-485)

External Interface

  • Push Button: Sensor auto-discovery, sensor removal, and factory reset
  • LED Indicators: Power/Status – 1 tricolor
  • DIP Switches: SW 1 – Device configuration; SW 2 – Modbus/BACnet device ID

Operating Environment

  • Temperature: 32°F to 122°F (0°C to 50°C)
  • Humidity: 5% to 95% RH, non-condensing

Dimensions: 5.25”W x 6.0”H x 1.75”D (133mmW x 152mmH x 44.5mmD)

Weight: 8.0 oz. (228g)

Mounting: Wall mount (keyhole, zip tie, or screw holes); DIN rail mount

Certifications: CE; ETL listed: conforms to UL 61010-1, IEC 61010; EN 60601-1; CSA C22.2 NO. 61010-1; IEC 55011; CISPR16; RoHS compliant.

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