Communication Modules - Emerson AMS Trex User Manual

AMS Trex Device Communicator overview
2.5

Communication modules

The Trex unit has two communication modules.
Device Communicator communication module
The Device Communicator communication module can connect to and communicate with
HART and FOUNDATION fieldbus devices on an externally-powered HART loop or fieldbus
segment. The Device Communicator communication module has unique terminals for
both HART and FOUNDATION fieldbus devices.
Figure 2-4:
A.
B.
Device Communicator Plus communication module
The Device Communicator Plus communication module can connect to HART and
FOUNDATION fieldbus devices, measure current and voltage, and power a device.
10
Device Communicator communication module
Connect to externally-powered FOUNDATION fieldbus devices.
Connect to externally-powered HART devices.
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