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Emerson AMS Trex Device Communicator User Manual

Emerson AMS Trex Device Communicator
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WARNING
Changing device parameters could adversely affect the control of your process. Put the
control loop in Manual/Out of Service before applying changes. Verify the output before
returning the control loop to Auto. Failure to do so could result in property damage,
serious injury, or death. Ensure all safety precautions and work procedures have been
followed.
CAUTION
The Trex unit draws approximately 12 mA from the fieldbus segment when it is online.
(The Trex unit draws 0 mA when it is offline.) Ensure the power supply or barrier on the
fieldbus segment has the capacity to provide this additional current when the Trex unit is
online. If a heavily loaded fieldbus segment is drawing near the capacity of the segment’s
power supply, connecting the Trex unit may result in loss of communication.
3.18.2 FOUNDATION fieldbus communication terminals
The Trex unit has terminals that enable communication with FOUNDATION fieldbus
devices. Insert the lead set into the FF terminals and connect to a FOUNDATION fieldbus
device or to a connection point on the fieldbus segment.
On the Device Communicator Plus communication module, the red FF pwr terminal
enables the Trex unit to power one FOUNDATION fieldbus device. To use this terminal, you
need the FOUNDATION fieldbus Power Plug that connects to the FF pwr terminal and the
positive (red) FF terminal. This lets the Trex unit communicate with and power one
FOUNDATION fieldbus device.
Figure 3-36: FOUNDATION fieldbus Power Plug attached to the Trex unit
Field Communicator application User Guide
September 2021
100 User Guide
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information@itm.com1.800.561.8187

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Emerson AMS Trex Device Communicator Specifications

General IconGeneral
BrandEmerson
ModelAMS Trex Device Communicator
CategoryCell Phone
LanguageEnglish

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