Emerson AMS Trex Device Communicator User Manual page 75

User Guide
User Guide
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Device connection wizard prompts
Do you intend to provide power from the
Trex unit?
Are you providing power to a transmitter or
positioner?
Change Polling Option?
Increase loop current?
Figure 3-17: Connect to an externally-powered HART positioner
A — Current source
Device connection wizard prompts
Do you intend to provide power from the
Trex unit?
Leads are attached to:
Change Polling Option?
Increase loop current?
Related information
HART communication terminals
Connect to an externally-powered HART device
Power and connect to a HART device
Internal resistors
www.
Field Communicator application
Answer
Yes
Positioner
Tap Yes if the device is not at address zero.
Tap Yes to increase the current from 4 mA to
another value, if the device did not initially
communicate.
Answer
No
Positioner
Tap Yes if the device is not at address zero.
Tap Yes to increase the current from 4 mA to
another value, if the device did not initially
communicate.
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September 2021
75