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  • Ethernet TCP/IP and serial communications
  • Power consumption:
    • 5.0 watts ModbusRS232/ RS422 I/O Module
    • 5.6 watts typical with Modbus
  • RS485 I/O Module
  • Front panel LEDs: OK and TX/RX
  • Communication:
    • Link: Ethernet, 10Mbps, and conforms to IEEE802.3
    • Protocol: Ethernet TCP/IP frame and Modbus/TCP
    • Connection: RJ-45
  • Operating temp: -22 to 150°F (-30 to 65°C)


The Bently Nevada 3500/92 Communication Gateway provides extensive communication capabilities of all rack monitored values and statuses for integration with process control and other automation systems using both Ethernet TCP/IP and serial (RS232/RS422/RS485) communications capabilities. It also permits Ethernet communications with 3500 Rack Configuration Software and Data Acquisition Software.

Supported protocols include:

  • Modicon® Modbus® protocol (via serial communications)
  • Modbus/TCP protocol (a variant of serial Modbus used for TCP/IP Ethernet communications)
  • Proprietary Bently Nevada protocol (for communication with 3500 Rack Configuration and Data Acquisition Software packages)