Ams trex™ Device Communicator

Figure 3-19: Power and communicate with the THUM adapter attached to a HART
transmitter
Note
If you want to communicate with the THUM adapter rather than the device, ensure the
Auto-Connect option for the Field Communicator Settings is disabled. This allows the Field
Communicator application to detect both the THUM adapter and the transmitter, and let
you select which one to communicate with.
Device connection wizard prompts
Answer
Do you intend to provide power from the Trex unit?
Yes
Are you providing power to a transmitter or positioner?
Transmitter
Change Polling Option?
Tap 
Yes
and select the address for the
THUM adapter, the device, or "0,63"
for both.
User Guide 
Field Communicator application
September 2021
User Guide 
77

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Figure 3-20: Communicate with the THUM adapter attached to a powered HART
transmitter
Connect the lead set to the yellow and white wires.
Note
If you want to communicate with the THUM adapter, ensure the Auto-Connect option for
the Field Communicator Settings is disabled. This allows the Field Communicator
application to detect both the THUM adapter and the transmitter, and let you select which
one to communicate with.
A. Optional connection if the yellow and white wires are inaccessible.
B. Voltage source.
Device connection wizard prompts
Answer
Do you intend to provide power from the Trex unit?
No
Leads are attached to:
Transmitter
Change Polling Option?
Tap 
Yes
and select the address for the
THUM adapter, the device, or "0,63"
for both.
Field Communicator application
User Guide
September 2021
78
User Guide

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