Emerson AMS Trex Device Communicator Manual de usuario
User Guide
Rev 8
September 2021
AMS Trex™ Device Communicator
User Guide
www. .com information@itm.com1.800.561.8187
Copyright and trademark information
©2021 Emerson. All rights reserved.
FOUNDATION™, HART® and WirelessHART® are marks of the FieldComm Group of Austin, Texas, USA.
The Emerson logo is a trademark and service mark of Emerson Electric Co.
All other marks are the property of their respective owners.
Notice
Important
Read this manual before working with the Trex unit. For personal and system safety, and for optimum product performance,
thoroughly understand the contents before using or servicing this product.
For equipment service needs, contact the nearest product representative.
Important
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesired operation.
WARNING
If the Trex unit is used in a manner not specified by Emerson, the protection provided by the equipment may be impaired.
WARNING
Do not directly connect the ports or terminals on the Trex unit to any main line voltage.
WARNING
WARNING - POTENTIAL ELECTROSTATIC CHARGING HAZARD - SEE INSTRUCTIONS.
AVERTISSEMENT - DANGER POTENTIEL DE CHARGES ÉLECTROSTATIQUES - VOIR INSTRUCTIONS
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Contents
Chapter 1 AMS Trex Device Communicator User Guide...................................................................5
Chapter 2 AMS Trex Device Communicator overview..................................................................... 7
Chapter 3 Field Communicator application...................................................................................53
Chapter 4 Loop Diagnostics application......................................................................................125
Chapter 5 Fieldbus Diagnostics application................................................................................ 151
Appendix A Troubleshooting........................................................................................................ 179
Appendix B Technical specifications..............................................................................................183
Appendix C Product certifications.................................................................................................189
Appendix D Wireless/Spectrum approvals.................................................................................... 191
Glossary .................................................................................................................................. 193
Index .................................................................................................................................. 197
User Guide Contents
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Contents User Guide
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1 AMS Trex Device Communicator User
Guide
1.1 User Guide overview
The AMS Trex Device Communicator User Guide is written for instrument technicians who
work with field devices, including HART® and FOUNDATION™ fieldbus devices. The user
guide describes the hardware, connections to devices, the supported applications, and the
diagnostics you can run on devices, 4-20 mA current loops, or FOUNDATION fieldbus
segments.
Note
The Trex unit has two communication module options. This user guide describes both
modules. Any differences in the procedures based on these modules are noted.
1.2 Documentation conventions
The following conventions are used throughout:
Note
A note paragraph contains special comments or instructions.
CAUTION
A caution paragraph alerts you to actions that can have a major impact on the equipment
or stored data.
WARNING
A warning paragraph alerts you to actions that can have extremely serious consequences
for equipment and/or personnel.
1.3 Technical support
Contact your local representative or go to the AMS Trex Device Communicator website for
technical support contact information.
1.3.1 Information to provide to technical support
Before you call technical support personnel, have a detailed description of the issue,
including the information below (if applicable). Ensure you have the user manual for the
devices or digital control system available.
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Information about the Trex unit
•Operating system version on the Trex unit. (Tap Settings → About.)
•The serial number of the Trex unit. You can view the serial number from the Settings.
(Tap Settings → About → CPU Board Serial Number.) The serial number is located on
the label on the bottom of the Trex unit, near the power module LEDs.
•Version number for the application. (Tap Settings → Installed Applications.)
Troubleshooting device communication issues
•Does the control system support HART® or FOUNDATION™ fieldbus communications?
•What is the manufacturer and model of the control system?
•What is the device manufacturer name (or ID) and model revision of the device (exact
spelling if possible)?
•What task is being performed when the communication problem occurs?
•Can AMS Device Manager or another Trex unit communicate with the device?
•Are you having communication problems with multiple devices?
•Are there any error messages displayed when attempting to communicate with a
device?
•Does communication work when certain devices or processes are not running?
•What is the total cable length run from the termination panel to the device?
When you are working with HART devices, answer the following questions:
•What is the loop impedance (resistance value) in the HART loop?
•If a HART multiplexer is being used, what is the manufacturer and model?
•Is the device in burst mode?
•Is the device address set to "0"?
•Is more than one device on the loop?
•Is another master (primary or secondary) on the loop? (For example, a control system
or multiplexer.)
•Is the device powered by the Trex unit or an external power supply?
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2 AMS Trex Device Communicator
overview
The Trex unit supports HART® and FOUNDATION™ fieldbus devices, so you can configure
or troubleshoot in the field or on the work bench. Electronic Device Description Language
(EDDL) technology enables the Trex unit to communicate with a variety of devices
independent of device manufacturer.
Depending on the attached communication module, the Trex unit lets you:
•Configure HART and FOUNDATION fieldbus devices.
•Power one HART or FOUNDATION fieldbus device.
•Measure current and voltage.
•Perform diagnostics on a 4-20 mA current loop or FOUNDATION fieldbus segment.
The Trex unit includes a color LCD touchscreen, a Lithium-Ion power module (battery
pack), a processor, memory components, and optional communication modules.
CAUTION
When the Trex unit communicates with devices, follow all standards and procedures
applicable to the location. Failure to comply may result in equipment damage and/or
personal injury. Understand and comply with the sections in this manual.
2.1 Precautions for the Trex unit
Before operating the Trex unit, ensure:
•The Trex unit is not damaged.
•The power module is securely attached.
•All screws are sufficiently tightened.
•The communication terminal recess is free of dirt and debris.
•The communication module is securely attached.
CAUTION
Do not use a screen protector on an IS-approved Trex unit. Static discharge is possible.
2.1.1 Hazardous areas
A Trex unit that meets the Intrinsic Safety requirements (IS-approved) can be used in Zone
1, or Zone 2, for Group IIC, and Class I, Division 1 and Division 2, Groups A, B, C, and D
locations.
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An IS-approved Trex unit may be connected to loops or segments that are attached to
equipment located in Zone 0, Zone 1, Zone 2, for Group IIC; Zone 20, Zone 21, Zone 22,
and Class I, Division 1 and Division 2, Groups A, B, C, and D locations.
An IS-approved Trex unit can be ordered by selecting the KL option. The Trex unit has a
label that lists the approvals.
CAUTION
Do not use a screen protector on an IS-approved Trex unit. Static discharge is possible.
WARNING
Do not install, remove, or charge the Lithium Ion (Li-Ion) power module in a hazardous
area environment.
WARNING
Explosions can result in serious injury or death.
Use in an explosive environment must be in accordance with the appropriate local,
national, and international standards, codes, and practices. Please review the Technical
specifications and Product certifications sections of the AMS Trex Device Communicator
User Guide for any restrictions associated with safe use.
Electrical shock can result in serious injury or death.
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2.2 Front view of the Trex unit
Figure 2-1: Front view
A. Micro USB port (top)
B. Power button (side)
C. Strap connectors (side)
D. Touchscreen
E. Keypad
F. Charger port for the AC adapter (side)
Related information
LEDs on the power module
Touchscreen
2.2.1 Keypad
The Trex unit has a keypad that lets you navigate and select menus options. Use the four
arrow buttons to move across all selectable options on the screen, and use the checkmark
button to select an option.
The keypad also lets you enter text or numbers, based on the selected option or menu. An
onscreen keyboard is displayed. The four arrows let you navigate to a letter, number, or
symbol on the keyboard. Press the checkmark button or X button to select the option.
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Figure 2-2: Keypad
A. Cancel any unsaved changes or close a menu. Similar to a Back button.
B. Move through the menus and icons in the applications. Press the up, down, right, and
left arrow keys to highlight a menu option on a screen. The right and left arrow keys also
select items in a grid or on a graph, but they do not let you navigate to the next level in a
menu.
C. Open a menu item or accept any updates. Similar to an Enter button.
2.3 Touchscreen
The Trex unit has a resistive touchscreen that lets you select menu items and enter text.
Firmly press the screen to select an item. You need to apply more pressure than you would
for smart phones and tablets. If the touchscreen seems inaccurate, you can re-calibrate it.
All instructions in this manual are written for the touchscreen.
The touchscreen supports basic gestures, such as scroll up and scroll down. Multi-touch
gestures, such as pinch, are not supported.
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September 2021
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