Ams trex™ Device Communicator

Positioner
A digital valve positioner.
Process variable
A process parameter that is being measured or controlled (for example, level, flow,
temperature, mass, or density).
Segment (fieldbus only)
The section of a fieldbus that is terminated in its characteristic impedance. Segments are
linked by repeaters to form a complete fieldbus.
Shortcut bar
The shortcut bar displays settings and information about the Trex unit, including viewing
version numbers for the Trex unit and setting the screen brightness.
Shout/deaf mode
A communication mode where the amplitude of the signal is increased. The Trex unit
determines when to enter this mode. The icon (with a solid or hollow heart) indicates
when the Trex unit is in this mode.
Slot time
User Guide 
Glossary
September 2021
User Guide 
195

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A setting that can help the Trex unit find FOUNDATION fieldbus devices on a fieldbus
segment. A higher slot time helps the Trex unit find older FOUNDATION fieldbus devices
on the fieldbus segment.
Status bar
A black bar that displays at the top of all screens. The status bar displays the time and the
power module icon.
Suspend
A power management option to save power on the Trex unit. Suspend is similar to the
standby mode on a phone.
Synchronization
Ability to update AMS Device Manager database with device information from a Trex unit
that has been paired. Synchronization is automatic, and can occur using USB or Wi-Fi.
Upgrade Studio
A PC application that lets you update the Trex unit at your site. You can activate the Trex
unit, download updated applications and device descriptions, and purchase new
applications.
Glossary
User Guide
September 2021
196
User Guide

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