3 Field Communicator application
Topics covered in this chapter:
• Open or close the Field Communicator application
• Device interoperability
• Forward Compatibility rules for saving and sending configurations to AMS Trex
• Automatically detect a device
• Connect - Select screen
• Device connection wizard
• Status when detecting a device
• Online menu or Device Dashboard
• Icons on the device menus
• Connections to HART devices
• Internal resistors
• Power and connect to a HART device
• Connect to an externally-powered HART device
• Online HART devices
• Offline HART configurations
• Favorites
• Polling options for HART devices
• Connections to FOUNDATION fieldbus devices
• Power and connect to a FOUNDATION fieldbus device
• Connect to an externally-powered FOUNDATION fieldbus device
• Online FOUNDATION fieldbus devices
• Simulate a live device
• View the device descriptions on the Trex unit
• View the device description information
• View Help for a device parameter
• Graphics
• Disconnect a device
The Field Communicator application lets you configure HART and FOUNDATION fieldbus
devices. (The fieldbus functionality requires a license.) You can do the following:
• Power and connect to a HART transmitter, if the Trex unit has the Device
Communicator Plus communication module. The Trex unit has an internal resistor,
so you do not need to add a loop resistor.
Field Communicator application
User Guide 45
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