Connections To Hart Devices; Hart Communication Terminals - Emerson AMS Trex User Manual

Field Communicator application
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3.10

Connections to HART devices

The Trex unit can communicate with a device from the control room, on the bench, or any
wiring termination point in the loop. Review the HART wiring diagrams to ensure the Trex
unit is correctly connected to the device.
Note
The Trex unit acts as a secondary HART master on a HART loop.
Related information
3.10.1

HART communication terminals

The Trex unit has communication terminals that enable it to communicate with a HART
device. Insert the lead set into the red and black terminals and connect to a HART device.
Note
The lead set must be used to communicate with a wired or wireless device.
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Description
The option is a graph or chart. Charts display a graphic view of variables as they
occur over time.
The option is a gauge chart. A gauge chart formats device data into a view
similar to an analog car speedometer and plots device data varying with time.
The option is a grid.
The option is an image.
The option is a process variable. The process variable value may or may not be
displayed, depending on the device description for the device.
Internal resistors
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