Connect to an externally-powered fieldbus segment

You can connect the Trex unit at various points, including at the device terminals or a point along the fieldbus segment. The example below is for connecting to the fieldbus segment to take measurements in the Fieldbus Diagnostics application.

  1. Connect the lead set to the FF terminals on the Trex unit and to the fieldbus segment or device.

    One connection option for connecting to the fieldbus segment

    1. Terminators
    2. Power conditioner
    3. Fieldbus power supply
    4. Host system
  2. Open Fieldbus Diagnostics.
    The Trex unit connects to the device/fieldbus segment and begins the measurements.
  3. Optional - Tap Go Online to query devices for their tags.