Ams trex™ Device Communicator

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
if the device is not at address
zero.
User Guide 
Field Communicator application
September 2021
User Guide 
71

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Figure 3-12: Connect to a powered 
WirelessHART device (with its battery attached)
 CAUTION
Do not use the Trex unit to power a 
Wireless
HART device. Providing power to a
Wireless
HART device may damage the device.
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
if the device is not at address
zero.
Figure 3-13: Connect to an externally-powered 2-wire HART transmitter
If the transmitter is at address zero, the Trex unit may automatically detect and connect to
the device without any prompts from the device connection wizard.
A — Voltage source
Device connection wizard prompts
Answer
Do you intend to provide power from the Trex
unit?
No
Field Communicator application
User Guide
September 2021
72
User Guide

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Device connection wizard prompts
Answer
Leads are attached to:
Transmitter
Change Polling Option?
Tap 
Yes
if the device is not at address zero.
Figure 3-14: Connect to an externally-powered 2-wire HART transmitter and use the