Emerson AMS Trex - Communication Module Specifications

B.2 Communication module specifications
Device Communicator communication module
Terminal Overview
HART terminals The terminals enable HART communication with the Trex
unit.
Connectors: Two banana jack plugs.
Internal fuse rating: 50 mA
Optional internal resistors
250 Ohm or 500 Ohm resistor
Fieldbus (FF) terminals The terminals enable FOUNDATION fieldbus
communication with the Trex unit.
Connectors: Two banana jack plugs.
Device Communicator Plus communication module
Terminal Overview
HART terminals The terminals enable HART communication with the Trex
unit.
Connectors: Two banana jack plugs.
Voltage measurement accuracy: +/- 2% of reading for
measurements greater than 3 volts
Internal fuse rating: 50 mA.
Optional internal resistors
250 Ohm or 500 Ohm resistor.
Current control
Range: 3-22.5 mA
Accuracy: 0.25% of span (4-20 mA)
Resolution: 0.04 mA
Drive capability: 650 ohms at 22.5 mA
Technical specifications
184 User Guide