Emerson AMS Trex Device Communicator User Manual
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Emerson AMS Trex Device Communicator User Manual

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User Guide
Rev 8
September 2021
™
AMS Trex
Device Communicator
User Guide
1.800.561.8187
information@itm.com
www.
.com

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Summary of Contents for Emerson AMS Trex Device Communicator

  • Page 1 User Guide Rev 8 September 2021 ™ AMS Trex Device Communicator User Guide 1.800.561.8187 information@itm.com www. .com...
  • Page 2 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.

  • Page 3: Table Of Contents

    User Guide Contents September 2021 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......................
  • Page 4 Contents User Guide September 2021 User Guide 1.800.561.8187 information@itm.com www. .com...

  • Page 5: Ams Trex Device Communicator User Guide

    A warning paragraph alerts you to actions that can have extremely serious consequences for equipment and/or personnel. 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).
  • Page 6 AMS Trex Device Communicator User Guide User Guide September 2021 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.

  • Page 7: Ams Trex Device Communicator Overview

    User Guide AMS Trex Device Communicator overview September 2021 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.
  • Page 8 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.
  • Page 9 User Guide AMS Trex Device Communicator overview September 2021 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)
  • Page 10 AMS Trex Device Communicator overview User Guide September 2021 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.
  • Page 11 User Guide AMS Trex Device Communicator overview September 2021 CAUTION The touchscreen display on the Trex unit could be damaged if directly impacted. To avoid damaging the touchscreen: • Use the Trex carrying case with the faceplate closed to protect the touchscreen and prevent any damage when transporting or carrying the Trex unit.
  • Page 12 AMS Trex Device Communicator overview User Guide September 2021 Gesture Description Scroll up. Scroll right. Used to move right on graph or grid, or to view additional columns/data on a screen. Scroll left. Used to move left on graph or grid.
  • Page 13 User Guide AMS Trex Device Communicator overview September 2021 Back view of the Trex unit You can access the communication module, the stand, and the power module. Figure 2-3: Back view A. Communication module B. Stand C. Power module Related information...
  • Page 14 AMS Trex Device Communicator overview User Guide September 2021 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.
  • Page 15 User Guide AMS Trex Device Communicator overview September 2021 Figure 2-5: Device Communicator Plus communication module A. Power a FOUNDATION fieldbus device. You need to connect the FOUNDATION fieldbus Power Plug to the FF pwr and the positive FF terminals.
  • Page 16 AMS Trex Device Communicator overview User Guide September 2021 WARNING • The Trex unit cannot power a 4-wire device. Do not connect Trex unit to the power terminals of a 4-wire device. This can blow a fuse inside the Trex unit. The repair/ replacement will need to be completed at an authorized service center.
  • Page 17 User Guide AMS Trex Device Communicator overview September 2021 WARNING • Do not use the HART + pwr and mA terminals in series when the Trex unit powers a device. • Do not connect the mA terminals (ammeter) in parallel with a powered 4-20 mA current loop.
  • Page 18 AMS Trex Device Communicator overview User Guide September 2021 Procedure 1. Turn off the Trex unit. 2. Place the Trex unit face down on a level, secure surface. 3. Place the communication module into the top of the Trex unit, and carefully align the communication module with the connector on the Trex unit.
  • Page 19 • Clean the AC adapter by clearing the terminal of dirt and debris, if required. • If the AC adapter is used in a manner not specified by Emerson, the protection provided by the equipment may be impaired. • The AC adapter comes complete with interchangeable plug heads for UK, USA, EU and •...
  • Page 20 AMS Trex Device Communicator overview User Guide September 2021 2.6.2 AC adapter The Trex unit includes an AC adapter for recharging the power module. The Trex unit is fully operational while the AC adapter charges the power module. WARNING Do not install, remove, or charge the Lithium Ion (Li-Ion) power module in a hazardous area environment.
  • Page 21 User Guide AMS Trex Device Communicator overview September 2021 Figure 2-9: LEDs showing approximately 100 percent charge A. AC adapter LED. Lights up when the AC adapter is attached to the power module. A green light indicates the power module is fully charged. An orange light indicates the power module is charging.
  • Page 22 AMS Trex Device Communicator overview User Guide September 2021 Related information LEDs on the power module Status bar 2.6.5 Charge the power module Fully charge the power module before using it in the field. The Trex unit is fully operable when the power module is charging.
  • Page 23 User Guide AMS Trex Device Communicator overview September 2021 ® 3. Insert and tighten the four screws with a Torx screwdriver to secure the power module. Do not over tighten the screws. Use 0.5Nm maximum torque load. 2.6.7 Remove the power module from the Trex unit CAUTION •...
  • Page 24 AMS Trex Device Communicator overview User Guide September 2021 • Avoid frequent use at high temperatures because this can reduce performance. • Use a dry location at or near room temperature when storing the power module for an extended time. Prolonged storage at higher temperatures can reduce performance.
  • Page 25 User Guide AMS Trex Device Communicator overview September 2021 Figure 2-12: FOUNDATION fieldbus Power Plug attached to the Trex unit 2.7.2 Carrying case for the Trex unit A carrying case is available for the Trex unit to hold it and store lead sets, the AC adapter, and other accessories.
  • Page 26 AMS Trex Device Communicator overview User Guide September 2021 Figure 2-13: The carrying case Power on or off Procedure 1. To power on, press and hold the power button on the upper left side of the Trex unit for one second.
  • Page 27 User Guide AMS Trex Device Communicator overview September 2021 2. Tap More → Power Management → Reboot. 2.8.2 Hard shut down If the Trex unit is unresponsive, do a hard shut down and then restart the Trex unit. Do not use this as your normal shut down method.
  • Page 28 Quickly provision connected WirelessHART devices to a Smart Wireless Provisioning Gateway. RadarMaster View enhanced dashboards for select Emerson level devices, and interact with echo curve displays. AMS Inspection Rounds Increase productivity of visual inspections, and standardize and synchronize data collection in the field.
  • Page 29 User Guide AMS Trex Device Communicator overview September 2021 • Time • Paired icon • USB icon • Wireless icon • Power module icon • Pull-down tab Figure 2-15: Status bar Related information Shortcut bar 2.9.3 Shortcut bar The shortcut bar lets you access additional settings for the Trex unit and the Field Communicator application.
  • Page 30 AMS Trex Device Communicator overview User Guide September 2021 Option Description More Access additional menu options and settings, including power management, date and time, and touchscreen calibration. You can also modify settings for the Field Communicator application. 2.10 Settings The Settings option lets you view information about the Trex unit hardware and modify settings for the Trex unit and applications.
  • Page 31 User Guide AMS Trex Device Communicator overview September 2021 All open applications are displayed. 3. Select the X next to the application name. 2.10.3 Change the screen brightness Procedure 1. Tap Settings or the status bar at the top of the screen.
  • Page 32 AMS Trex Device Communicator overview User Guide September 2021 3. Tap the Wireless Networks option to enable or disable wireless. Connect the Trex unit to a broadcasting wireless network Note The Trex unit cannot connect to a wireless network that requires you to enter log in information on a website.
  • Page 33 2. Tap to change the default, and enter a port number. Postrequisites If you change the default port for one AMS Trex unit, Emerson recommends setting all AMS Trex units to exchange data on that port. All AMS Device Manager stations that synchronize with AMS Trex units must also have the same port number.
  • Page 34 AMS Trex Device Communicator overview User Guide September 2021 2.10.5 View information about the Trex hardware and operating system You can view the information about the Trex unit, including the name, serial number, support contract, operating system, open-source licenses, and the MAC address.
  • Page 35 User Guide AMS Trex Device Communicator overview September 2021 3. Edit the following options as needed. Option Description Auto adjust daylight Enable or disable the Trex unit from automatically adjusting savings the time for daylight saving time. Date Enter the date.
  • Page 36 AMS Trex Device Communicator overview User Guide September 2021 2.10.11 View the amount of available memory Procedure 1. Tap Settings or the status bar at the top of the screen. 2. Tap More → Memory Management. 2.10.12 Power management You can configure options to conserve power usage.
  • Page 37 User Guide AMS Trex Device Communicator overview September 2021 • Wait until the suspend timer expires. 2. To leave suspend, quickly press the power button or tap the touchscreen. Related information Set the suspend timer Set the backlight timer To conserve power, set the backlight timer to automatically dim the backlight after a specified period of inactivity.
  • Page 38 2.10.14 Enable Diagnostic Logging Procedure Note You should only enable Diagnostic Logging when directed by Emerson service personnel. From Settings → Field Communicator App Settings tap Diagnostic Logging to ON. 2.11 Applications on the Trex unit The Home screen displays all the applications installed on the Trex unit. Open applications by tapping the icon on the Home screen.
  • Page 39 User Guide AMS Trex Device Communicator overview September 2021 You can run some applications simultaneously on the Trex unit, while other applications may require the same hardware and cannot run at the same time. An error message is displayed on the screen when that occurs. Applications, such as the Field Communicator application and Settings, can run simultaneously.
  • Page 40 AMS Trex Device Communicator overview User Guide September 2021 CAUTION • Remove the USB cable from the Trex unit before connecting to a device. • Do not use USB communication in a hazardous area. 2.13 Synchronizing AMS Trex data with AMS Device...
  • Page 41 Remove the USB cable from the Trex unit before connecting to a device.Do not use USB communication in a hazardous area. AMS Device Manager is licensed to communicate with AMS Trex. AMS Device Manager is paired with the AMS Trex Device Communicator being synchronized. Procedure 1.
  • Page 42 AMS Trex Device Communicator overview User Guide September 2021 Procedure 1. Connect the microUSB cable to the AMS Trex unit, and then connect the USB to an AMS Device Manager station. 2. In AMS Device Manager, expand the AMS Trex Units node to display a list of AMS Trex units.
  • Page 43 User Guide AMS Trex Device Communicator overview September 2021 2.14 Upgrade Studio Upgrade Studio is a PC application that lets you update the Trex units at your site with new/updated device descriptions, applications, firmware, and operating systems. You can download the updates to Upgrade Studio, or you can import the updates into Upgrade Studio from a DVD or other physical media, network, or local drive.
  • Page 44 AMS Trex Device Communicator overview User Guide September 2021 2.14.1 Connect the Trex unit to Upgrade Studio using USB Prerequisites CAUTION • Remove the USB cable from the Trex unit before connecting to a device. • Do not use USB communication in a hazardous area.
  • Page 45 User Guide AMS Trex Device Communicator overview September 2021 5. Follow any additional steps described in the notification email. 2.14.3 Activate the Trex unit Prerequisites Create a user account in Upgrade Studio. The Trex unit displays an activation reminder message each time you power on the Trex unit until it is activated.
  • Page 46 AMS Trex Device Communicator overview User Guide September 2021 6. Click More → Export. 7. Under Trex Synchronization Files, click Show Details. 8. Select one or more Trex synchronization files to export. 9. Click Export. 10. Select a location to save the Trex synchronization file, and click OK.
  • Page 47 User Guide AMS Trex Device Communicator overview September 2021 Near-field communication (NFC) card access You can use an NFC card, a technology used in badge entry systems or payment cards, to control access to a Trex unit using the Security Management settings. You must first enable a security scheme on the Trex unit before pairing it with an NFC card.
  • Page 48 AMS Trex Device Communicator overview User Guide September 2021 • Domain - the Windows domain. • Network SSID - the wireless network SSID. The wireless network must have WPA2-Enterprise security enabled. • User name - the domain user name. •...
  • Page 49 User Guide AMS Trex Device Communicator overview September 2021 Related information Enable local security for a Trex unit 2.15.5 Delete a local user Procedure 1. Log in to the Trex unit using the local administrator account. 2. Tap Settings. 3. Tap Security Management.
  • Page 50 AMS Trex Device Communicator overview User Guide September 2021 Enable enterprise security for a Trex unit 2.15.8 Remove a paired NFC card Procedure 1. Log in to the Trex unit. 2. Tap Settings. 3. Tap Security Management. 4. Tap Remove NFC pairing.
  • Page 51 2.17.2 Calibration Calibration is not supported on the AMS Trex Device Communicator. Voltage, current, signal, and noise measurements made by the Trex unit are intended for troubleshooting purposes. NIST standards are not applicable to the AMS Trex Device Communicator.
  • Page 52 AMS Trex Device Communicator overview User Guide September 2021 User Guide 1.800.561.8187 information@itm.com www. .com...

  • Page 53: Field Communicator Application

    User Guide Field Communicator application September 2021 Field Communicator application 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.
  • Page 54 Field Communicator application User Guide September 2021 Device interoperability The Trex unit communicates with many HART and FOUNDATION fieldbus devices independent of device manufacturer by using Electronic Device Description Language (EDDL) technology. Basic testing is performed on all device descriptions. New device descriptions are available from the Upgrade Studio application or the resource DVD.
  • Page 55 User Guide Field Communicator application September 2021 • A powered FOUNDATION fieldbus segment that is actively communicating. The fieldbus segment must have a host system or a FOUNDATION fieldbus device that is the Link Active Scheduler (LAS). While the Trex unit is connecting to the device, the Auto-Detect screen is displayed to show the status.
  • Page 56 Field Communicator application User Guide September 2021 • Connect the lead set to the Trex unit and to the device to try to automatically detect/ connect to the device. If the device meets the criteria for automatically connecting, the Trex unit tries to connect to the device. •...
  • Page 57 User Guide Field Communicator application September 2021 Option Description Communication Status Detect if a connected device is communicating with the Trex unit. HART Connect to a live HART device. Tap this option if the Trex unit could not automatically detect or connect to the device. The device connection wizard is displayed.
  • Page 58 Field Communicator application User Guide September 2021 If the device connection wizard completes its process and cannot connect to the device, a message is displayed. Tap Cancel to return to the Connect - Select screen to retry the connection process. Note The selections are not saved in the device connection wizard.
  • Page 59 User Guide Field Communicator application September 2021 Power Status Message Description Voltage Detected on HART+ The detected voltage is greater than or equal to 8 volts. Low Voltage Detected on HART Typical status for connecting: • To a 4-wire HART device •...
  • Page 60 Field Communicator application User Guide September 2021 Power Status Message Description Voltage on Multiple The Trex unit has detected voltage on more than one terminal. This may be due to the following: • The AC adapter is attached to the Trex unit and is charging the power module.
  • Page 61 User Guide Field Communicator application September 2021 Figure 3-2: Online menu example Dashboard menu A device dashboard menu displays the same parameters as the Online menu, but they are organized by tab, including: • Overview - View a graphical representation of the process variable. Tap the More arrow on the bottom right side of the screen to access additional menu items.
  • Page 62 Field Communicator application User Guide September 2021 Figure 3-3: Dashboard menu example 3.8.1 Device screen layout In the Field Communicator application, the device screens have four main parts: User Guide 1.800.561.8187 information@itm.com www. .com...
  • Page 63 User Guide Field Communicator application September 2021 Figure 3-4: Sections of a device screen A. Status bar B. Application title bar C. Device menu D. Application bar Status bar Lets you access the settings for the Trex unit and switch to other applications. Application title bar Displays the type of device the Trex unit is connected to, the device tag (short tag or long tag), and the menu title (Online).
  • Page 64 Field Communicator application User Guide September 2021 Device menu The menu options for a specific device type and revision. The options displayed will vary based on the device description. You can press and hold a menu item to display an additional menu that lets you view Help or add the item to the list of favorites (HART only).
  • Page 65 User Guide Field Communicator application September 2021 Option Description Menu View the list of favorites for HART devices, simulate a device, or connect/disconnect a device. Online View the process variable and configure device parameters. Overview (Device dashboard screen only) View a graphical representation of the process variable.
  • Page 66 Field Communicator application User Guide September 2021 Figure 3-6: Menu screen for a connected HART device Option Description Connect or Disconnect Tap Connect to return to the Connect - Select screen and connect to a device. Tap Disconnect to stop communicating with a device. The Trex unit also stops powering the device when you tap Disconnect.
  • Page 67 User Guide Field Communicator application September 2021 You can also connect a device, simulate a device, or edit a configuration from the Menu screen. Figure 3-7: Menu screen for no connected HART device Icons on the device menus When the Trex unit is connected to a device, the device menus may have one or more icons.
  • Page 68 Field Communicator application User Guide September 2021 Figure 3-8: Device menu with icons Icon Description The option is a parameter you can edit, such as the device tag. The option is a device method, such as a loop test. The option has a submenu with additional options. The option is a graph or chart.
  • Page 69 User Guide Field Communicator application September 2021 Icon Description The option is an image. No icon The option is a process variable. The process variable value may or may not be displayed, depending on the device description for the device. 3.10 Connections to HART devices The Trex unit can communicate with a device from the control room, on the bench, or any...
  • Page 70 Field Communicator application User Guide September 2021 Figure 3-10: HART communication terminals on the Device Communicator Plus communication module A. Power and communicate with a HART device. B. Communicate with an externally-powered HART device. Related information Wiring diagrams for HART devices and the Field Communicator application Power and connect to a HART device 3.10.2 Wiring diagrams for HART devices and the Field...
  • Page 71 User Guide Field Communicator application September 2021 Figure 3-11: Power and connect to a 2-wire HART transmitter Note When the Trex unit powers the HART transmitter, an external resistor is not needed. The Trex unit uses an internal resistor that is automatically used when you enable the Trex unit to power the transmitter.
  • Page 72 Field Communicator application User Guide September 2021 Wireless HART device (with its battery attached) Figure 3-12: Connect to a powered CAUTION Do not use the Trex unit to power a WirelessHART device. Providing power to a WirelessHART device may damage the device. Device connection wizard prompts Answer Do you intend to provide power from the Trex unit?
  • Page 73 User Guide Field Communicator application September 2021 Device connection wizard prompts Answer Transmitter Leads are attached to: Change Polling Option? Tap Yes if the device is not at address zero. Figure 3-14: Connect to an externally-powered 2-wire HART transmitter and use the Trex internal resistor Note The Trex unit must be connected in series with the transmitter to use the internal resistor.
  • Page 74 Field Communicator application User Guide September 2021 Figure 3-15: Connect to a 4-wire HART transmitter If you have a 250 Ohm resistor, you can insert it in between the device terminals and connect the lead set across the resistor. Otherwise, you can enable the internal resistor in the device connection wizard.
  • Page 75 User Guide Field Communicator application September 2021 Device connection wizard prompts Answer Do you intend to provide power from the Trex unit? Positioner Are you providing power to a transmitter or positioner? Change Polling Option? Tap Yes if the device is not at address zero. Increase loop current? Tap Yes to increase the current from 4 mA to another value, if the device did not initially...
  • Page 76 Field Communicator application User Guide September 2021 ™ 3.10.3 Wiring diagrams for the Smart Wireless THUM Adapter and the Field Communicator application Below each diagram, a table lists the expected prompts from the device connection wizard and the answers to select to complete the connection. If you are using a WirelessHART adapter that is not the Smart Wireless THUM adapter, review its documentation before connecting the Trex unit.
  • Page 77 User Guide Field Communicator application September 2021 Figure 3-19: Power and communicate with the THUM adapter attached to a HART transmitter Note If you want to communicate with the THUM adapter rather than the device, ensure the Auto-Connect option for the Field Communicator Settings is disabled. This allows the Field Communicator application to detect both the THUM adapter and the transmitter, and let you select which one to communicate with.
  • Page 78 Field Communicator application User Guide September 2021 Figure 3-20: Communicate with the THUM adapter attached to a powered HART transmitter Connect the lead set to the yellow and white wires. Note If you want to communicate with the THUM adapter, ensure the Auto-Connect option for the Field Communicator Settings is disabled.
  • Page 79 User Guide Field Communicator application September 2021 Figure 3-21: Communicate with the THUM adapter powered by a voltage source Connect the lead set to the yellow and white/black wires. A. Voltage source. Device connection wizard prompts Answer Do you intend to provide power from the Trex unit? Transmitter Leads are attached to: Change Polling Option?
  • Page 80 Field Communicator application User Guide September 2021 Device connection wizard prompts Answer Do you intend to provide power from the Trex unit? Positioner Leads are attached to: Change Polling Option? Tap Yes and select 63. 3.10.4 HART Device List The Device List displays the devices that the Trex unit has detected. Each device is listed by its tag and address.
  • Page 81 User Guide Field Communicator application September 2021 3.11 Internal resistors The Trex unit has internal resistors that can be used when the Trex unit powers a HART transmitter, or when the HART transmitter is on a 4-20 mA current loop without a resistor. The resistors are enabled through the device connection wizard in the Field Communicator application.
  • Page 82 Field Communicator application User Guide September 2021 Connections to externally-powered transmitters To enable the internal resistors, the Trex unit must be connected to the device/loop in a specific way. For externally-powered 2-wire HART devices, the Trex unit must be connected in series. In the diagram below, the Trex internal resistor is enabled in the HART terminals.
  • Page 83 User Guide Field Communicator application September 2021 3.11.1 Enable or disable the internal resistors If the Trex unit is powers the transmitter, there is no prompt/option to enable or disable the internal 167 Ohm resistor. The Trex unit automatically applies the resistor when you enable power to a transmitter from the device connection wizard.
  • Page 84 Field Communicator application User Guide September 2021 Figure 3-28: Connection for an externally-powered 2-wire transmitter A. Voltage source b) Tap HART. c) Tap No when asked if you intend to provide power. d) Tap Transmitter. e) Tap No when asked if you want to change polling. (This assumes the device is at address zero.) f) Tap Yes when asked if you want to increase loop resistance.
  • Page 85 User Guide Field Communicator application September 2021 CAUTION • The Trex unit cannot power a 4-wire device. Do not connect Trex unit to the power terminals of a 4-wire device. This can blow a fuse inside the Trex unit. The repair/ replacement will need to be completed at an authorized service center.
  • Page 86 Field Communicator application User Guide September 2021 Figure 3-30: Power a HART positioner 2. In the Field Communicator application, tap HART. 3. Tap Yes when prompted if you want the Trex unit to power the device. 4. Tap Transmitter or Positioner. If you selected Positioner, the Trex unit provides power and 4 mA.
  • Page 87 User Guide Field Communicator application September 2021 Procedure 1. Connect the lead set to the HART + pwr terminals on the Trex unit and the red/black wires on the THUM adapter. Figure 3-31: THUM adapter wiring with 250 Ohm resistor 2.
  • Page 88 Field Communicator application User Guide September 2021 2. Open the Field Communicator application. The Trex unit may automatically detect or connect to the device. 3. If the Trex unit does not automatically connect to the device, tap HART and do the following: a) Tap No when asked if you want to provide power from the Trex unit.
  • Page 89 User Guide Field Communicator application September 2021 3.14.2 Device Setup options The Device Setup menu accesses every configurable parameter for the connected device. Some devices may not display a Device Setup menu or it may display different options. The list below is a general overview of the options. See the device documentation for more information.
  • Page 90 Field Communicator application User Guide September 2021 Review The Review menu lists all the static parameters read from the connected device, including information about the device and sensor setup and limitations. It may also include information about the connected device such as tag, materials of construction, and device software revision.
  • Page 91 User Guide Field Communicator application September 2021 Procedure 1. Connect to the HART device. 2. Go to the parameter you want to change. See the device documentation for more information. Each device has different menus. 3. Make the desired change. The changed parameter is highlighted yellow.
  • Page 92 Field Communicator application User Guide September 2021 Note The selected tag is not retained the next time you connect to the device. You need to select the desired tag each time you connect the device. If you want to change the value of the HART tag, see the device documentation for more information.
  • Page 93 User Guide Field Communicator application September 2021 3.14.7 View device alerts Procedure 1. Connect to a HART device. 2. If the device has alerts, tap Alerts at the top of the screen. The list of alerts is displayed. Figure 3-34: Alerts button 3.
  • Page 94 Field Communicator application User Guide September 2021 3.15 Offline HART configurations The Trex unit lets you work with HART configurations. You can create, edit, copy, delete, and rename configurations. If you are not connected to a HART device, an Offline Config button displays on the main Field Communicator menu.
  • Page 95 User Guide Field Communicator application September 2021 Procedure 1. In the Field Communicator application, tap HART Offline. 2. Tap Offline Config → Edit Existing. 3. Tap the column heading to sort configurations by File Name or Tag. Select the configuration you want to edit, and tap OK. 4.
  • Page 96 Field Communicator application User Guide September 2021 3. Select the file to delete, and tap OK. 4. Tap OK when asked if you want to delete the file. The file is deleted. 3.16 Favorites You can add the most commonly used HART menu items to a list of favorites for quick access.
  • Page 97 User Guide Field Communicator application September 2021 Figure 3-35: Favorites menu 4. Tap Add To Favorites. The menu item is added to the favorites. 5. To verify the option was added, go to Menu → Favorites. 3.16.3 Remove a menu item from the favorites list Note Some devices have default options, such as tag or range values, already in the favorites list.
  • Page 98 Field Communicator application User Guide September 2021 3. Press and hold a menu item displayed in the Favorites list. 4. Tap Remove From Favorites. 3.17 Polling options for HART devices The Field Communicator application uses the HART polling options to search for connected devices.
  • Page 99 User Guide Field Communicator application September 2021 5. Tap Yes when prompted if you want to change the polling option. 6. Select a polling option at the top of the screen. Option Description Address Poll for devices at the specified addresses. Address 0 : Poll non multi-dropped loops.
  • Page 100 Field Communicator application User Guide September 2021 WARNING Changing device parameters could adversely affect the control of your process. Put the control loop in Manual/Out of Service before applying changes. Verify the output before returning the control loop to Auto. Failure to do so could result in property damage, serious injury, or death.
  • Page 101 User Guide Field Communicator application September 2021 Figure 3-37: FOUNDATION fieldbus terminals on the Device Communicator communication module A. FF terminals to communicate with a FOUNDATION fieldbus device Figure 3-38: FOUNDATION fieldbus terminals on the Device Communicator Plus communication module A.
  • Page 102 Field Communicator application User Guide September 2021 Related information Wiring diagrams for FOUNDATION fieldbus devices and the Field Communicator application 3.18.3 Wiring diagrams for FOUNDATION fieldbus devices and the Field Communicator application CAUTION Remove the USB cable from the Trex unit before connecting to a device. CAUTION The Trex unit draws approximately 12 mA from the fieldbus segment when it is online.
  • Page 103 User Guide Field Communicator application September 2021 Figure 3-40: Connect to an externally-powered FOUNDATION fieldbus device For small fieldbus segments, the power conditioner and terminators can be contained in a single wiring block. Note You can connect the Trex unit at any convenient place along the fieldbus segment (bus). In the field, this is typically done at the device or at the fieldbus junction box.
  • Page 104 Field Communicator application User Guide September 2021 Only one device can communicate at a time. Permission to communicate on the bus is controlled by a centralized token passed between devices by the LAS. Only the device with the token can communicate. The LAS maintains a list of all devices that need access to the bus.
  • Page 105 User Guide Field Communicator application September 2021 Figure 3-41: Fieldbus Device List 3.19 Power and connect to a FOUNDATION fieldbus device The Trex unit can power one FOUNDATION fieldbus device. The Trex unit can provide approximately 10 volts at 25 mA to power a FOUNDATION fieldbus device. (The Trex unit will draw approximately 12 mA when it is online).
  • Page 106 Field Communicator application User Guide September 2021 CAUTION Remove the USB cable from the Trex unit before connecting to a device. WARNING Do not add any external power to the device when the Trex unit is powering the device. This can blow a fuse inside the Trex unit. The repair/replacement will need to be completed at an authorized service center.
  • Page 107 User Guide Field Communicator application September 2021 Related information Wiring diagrams for FOUNDATION fieldbus devices and the Field Communicator application Disconnect a device 3.20 Connect to an externally-powered FOUNDATION fieldbus device The Trex unit may automatically display the device on the Device List if the device is on a fieldbus segment that has a host system or a FOUNDATION fieldbus device that is the LAS.
  • Page 108 Field Communicator application User Guide September 2021 Related information Wiring diagrams for FOUNDATION fieldbus devices and the Field Communicator application Disconnect a device 3.21 Online FOUNDATION fieldbus devices 3.21.1 Limitations for commissioned devices The Trex unit prevents you from completing some tasks on commissioned devices that could adversely affect the control system.
  • Page 109 User Guide Field Communicator application September 2021 Mode Description Out of Service (OOS) The functions performed by the block will not execute. If the block has any outputs, these will typically not update and the status of any values passed to other blocks is “BAD”. Before you change the configuration of the block, change the mode of the block to OOS.
  • Page 110 Field Communicator application User Guide September 2021 a) Go to a block menu in the device. Figure 3-44: Example Mode button in a block b) Tap the mode button at the top of the screen. c) Select the desired mode for the block. d) Tap OK.
  • Page 111 User Guide Field Communicator application September 2021 Procedure 1. Connect to the FOUNDATION fieldbus device. 2. Tap the desired block. 3. Tap Status. Status parameters are displayed. 3.21.3 Run a method Different devices have different methods associated with them, and the selections on these menus vary accordingly.
  • Page 112 Field Communicator application User Guide September 2021 3.21.5 Change a FOUNDATION fieldbus device parameter You can change device parameters and then send the changes to the device. When you select a parameter to change, you may be prompted if the device is commissioned.
  • Page 113 User Guide Field Communicator application September 2021 3. Tap Physical Device Tag. 4. Tap OK when prompted that the device will be restarted after the parameter is changed. 5. Tap Yes or No when asked if the device is commissioned. You cannot make changes if the device is commissioned.
  • Page 114 Field Communicator application User Guide September 2021 4. Tap OK when prompted that the device will be restarted after the parameter is changed. 5. Tap Yes or No when asked if the device is commissioned. You cannot make changes if the device is commissioned. 6.
  • Page 115 User Guide Field Communicator application September 2021 4. Tap OK when prompted that the device will be restarted after the parameter is changed. 5. Tap Yes or No when asked if the device is commissioned. You cannot make changes if the device is commissioned. 6.
  • Page 116 Field Communicator application User Guide September 2021 3.24 View the device description information You can view information about the connected device, including the manufacturer, device type, device revision, and device description revision. The Tag and Long Tag options displayed below appear for only HART revision 7 devices. Procedure 1.
  • Page 117 User Guide Field Communicator application September 2021 3.25 View Help for a device parameter Procedure 1. Go to the desired parameter in the connected device. 2. Press and hold the parameter. A menu appears. 3. Tap Help. The help text is displayed. 4.
  • Page 118 Field Communicator application User Guide September 2021 Chart type Description Strip/sweep/scope Displays variable data with an x-axis of time. A strip chart continually updates the chart, scrolling from right to left. A sweep chart updates the window from left to right, and then updates the window from left to right again, overwriting the oldest data.
  • Page 119 User Guide Field Communicator application September 2021 Figure 3-47: Strip chart 3.26.4 Horizontal bar charts A horizontal bar chart formats device data into bars from left to right and varies with time. Use the drop-down list to select the variable you want to highlight. Additional horizontal bars may be present if more than one variable is defined for the option you selected in the drop-down list.
  • Page 120 Field Communicator application User Guide September 2021 Figure 3-48: Horizontal bar chart 3.26.5 Vertical bar charts A vertical bar chart formats device data into bars from bottom to top and varies with time. Use the drop-down list to select the variable you want to highlight. Additional vertical bars may be present if more than one variable is defined for the option you selected in the drop-down menu.
  • Page 121 User Guide Field Communicator application September 2021 Figure 3-49: Vertical bar chart 3.26.6 Gauge charts A gauge chart formats device data into a view similar to an analog car speedometer and plots device data varying with time. Use the drop-down list to select the variable you want to highlight.
  • Page 122 Field Communicator application User Guide September 2021 Figure 3-50: Gauge chart 3.26.7 Graphs A graph is a snapshot line drawing of device information. Use the drop-down list to select the variable you want to highlight. Additional variables may be present if more than one is defined for the option selected in the drop-down list.
  • Page 123 User Guide Field Communicator application September 2021 Figure 3-51: Graph 3.27 Disconnect a device Prerequisites Before you disconnect the Trex unit from a device, resolve any unsent data to the device. Procedure Tap Menu → Disconnect or remove the lead set from the device or the Trex unit. The Trex unit detects the loss of voltage or current and stops communicating with the device.
  • Page 124 Field Communicator application User Guide September 2021 User Guide 1.800.561.8187 information@itm.com www. .com...

  • Page 125: Loop Diagnostics Application

    User Guide Loop Diagnostics application September 2021 Loop Diagnostics application The Loop Diagnostics application helps you troubleshoot the wiring of a 4-20 mA current loop by measuring the voltage and the current. The application can also power a transmitter or positioner to isolate the device from its current loop and to verify its operation.
  • Page 126 Loop Diagnostics application User Guide September 2021 Loop Diagnostics screen The Loop Diagnostics screen is divided into three sections: User Guide 1.800.561.8187 information@itm.com www. .com...
  • Page 127 User Guide Loop Diagnostics application September 2021 Figure 4-1: Loop Diagnostics screen at start up Measurement section : Displays the measured voltage and current. The measurements begin when the Loop Diagnostics screen is displayed, and the measurements update about once per second. See Voltage and current measurements in Loop Diagnostics for more information about the terminals used for each...
  • Page 128 Loop Diagnostics application User Guide September 2021 Current control/output section : Lets you use multiple options for controlling current including quick buttons, keypad, and up/down keys for immediately adjusting current or for gradually changing current over 1 to 5 seconds. These options are displayed when either the Trex Unit Power or Trex Unit Current is ON.
  • Page 129 User Guide Loop Diagnostics application September 2021 Figure 4-2: Loop Diagnostics when powering a positioner and taking measurements A. The voltage measured at the HART or HART + pwr terminals B. Enable/disable the Trex unit to provide power to a transmitter or power and source current to a positioner.
  • Page 130 Loop Diagnostics application User Guide September 2021 F. The current measured at the mA, HART + pwr, or HART terminals on the Trex unit. If Trex Unit Power is off and Trex Unit Current is on, use the HART terminals to measure current.
  • Page 131 User Guide Loop Diagnostics application September 2021 Figure 4-3: Select the type of device to power Power a transmitter The Trex unit can power one transmitter. When the Trex unit powers a transmitter, an internal 167 Ohm resistor is used, so an external resistor is not necessary. If you already connected an external resistor in series with the red or black HART terminal on the Trex unit, there will be less voltage available for the device, especially at 20 mA.
  • Page 132 Loop Diagnostics application User Guide September 2021 When the Trex unit provides power to a positioner, the Trex Unit Current option is also enabled. This allows you to control the current to the device by using the quick buttons, the pencil icon, or the up/down arrow keys. Simulate a transmitter with 4 mA The Loop Diagnostics application lets you simulate a transmitter to verify an analog input loop before installing a device.
  • Page 133 User Guide Loop Diagnostics application September 2021 Wiring diagrams for the Loop Diagnostics application CAUTION Remove the USB cable from the Trex unit before connecting to a device. WARNING • Do not connect lead sets to the HART and HART + pwr terminals at the same time. If the lead sets are connected to devices, this increases the chance of wiring mistakes and could create a short in the HART loop.
  • Page 134 Loop Diagnostics application User Guide September 2021 Figure 4-4: Power a HART transmitter The Trex unit measures both voltage and current from the HART + pwr terminals. An internal 167 Ohm resistor is used when the Trex unit powers the device. CAUTION Do not insert a resistor in parallel with either the HART + pwr or HART terminals on the Trex unit, or in parallel with the device's communication terminals.
  • Page 135 User Guide Loop Diagnostics application September 2021 Figure 4-6: Power and control current to a positioner The Trex unit measures both voltage and current from the HART + pwr terminals. Figure 4-7: Connect to an externally-powered positioner in-parallel The Trex unit measures voltage from the HART terminals. Voltage measurements can be taken at various points to identify voltage drops along the loop.
  • Page 136 Loop Diagnostics application User Guide September 2021 Figure 4-8: Connect to an externally-powered positioner in-series The Trex unit controls current from the HART terminals. A. Voltage source Figure 4-9: Control current to simulate a transmitter on an externally-powered loop The Trex unit controls current from the HART terminals, which simulates a transmitter. The Trex unit controls current the same way as a transmitter controls current.
  • Page 137 User Guide Loop Diagnostics application September 2021 Figure 4-10: Read current for an analog output loop check The Trex unit is connected to an analog output and is measuring current from the mA terminals. You can connect the Trex unit at various points on the current loop, including a junction box, device connection point, etc.
  • Page 138 Loop Diagnostics application User Guide September 2021 Figure 4-12: Measure current from an externally-powered transmitter device with test terminals The Trex unit measures current from the mA terminals on an externally-powered loop without breaking the loop and connecting the ammeter (mA terminals) in-series. WARNING Do not insert a resistor in parallel with either the HART + pwr or HART terminals on the Trex unit, or in parallel with the device's communication terminals.
  • Page 139 User Guide Loop Diagnostics application September 2021 Figure 4-13: Power and control current to simulate a transmitter on an unpowered loop Note The Trex unit is connected to a 4-wire terminal block. Consult the host documentation for more information. A. Analog input Power a 2-wire transmitter The Trex unit can provide up to 16 volts (at 22.5 mA) to power a HART device when using a Trex unit with a Device Communicator Plus communication module.
  • Page 140 Loop Diagnostics application User Guide September 2021 Procedure 1. Connect the lead set to the HART + pwr terminals on the Trex unit and to the transmitter. Figure 4-14: Power a 2-wire transmitter 2. On the Loop Diagnostics screen, tap Trex Unit Power. 3.
  • Page 141 User Guide Loop Diagnostics application September 2021 CAUTION Do not add any external power to the device when the Trex unit is powering the device. This can blow a fuse inside the Trex unit. The repair/replacement will need to be completed at an authorized service center.
  • Page 142 Loop Diagnostics application User Guide September 2021 CAUTION Remove the USB cable from the Trex unit before connecting to a device. CAUTION Do not add any external power to the device when the Trex unit is powering the device. This can blow a fuse inside the Trex unit. The repair/replacement will need to be completed at an authorized service center.
  • Page 143 User Guide Loop Diagnostics application September 2021 • Tap Trex Unit Power to set the option to OFF. You are prompted to select a power option to set the position of the valve. • Tap Exit. You are prompted to select a power option to set the position of the valve.
  • Page 144 Loop Diagnostics application User Guide September 2021 • Tap the pencil icon to set a mA value. 6. Wait for the valve to move. 7. Repeat steps 5 and 6 until the valve moves through all the required positions. 8. To stop powering the device, do one of the following: Tap Trex Unit Power to set the option to OFF.
  • Page 145 User Guide Loop Diagnostics application September 2021 Figure 4-17: Quick buttons Procedure 1. On the Loop Diagnostics screen, tap Trex Unit Current → More Options → Quick Button Selection. More Options does not appear unless the Trex Unit Power or Trex Unit Current is enabled.
  • Page 146 Loop Diagnostics application User Guide September 2021 4.10.2 Change the scale for the up and down arrow keys The Loop Diagnostics screen has up and down arrow keys that let you manually adjust the current in small increments to slowly move a valve. The default increment is 0.1 mA, but you can adjust the scaling.
  • Page 147 User Guide Loop Diagnostics application September 2021 Checks before installation Before a device is installed, verify its operation. You can enable the Trex Unit Power option to power the device. For a transmitter, use the Trex unit to power the transmitter and measure the 4-20 mA output.
  • Page 148 Loop Diagnostics application User Guide September 2021 • Simplify the problem by removing one or more components from the HART loop. Attempt tasks from the "Checks after installation" section. • Isolate the device and perform tasks from "Checks before installation." 4.11.1 Measure voltage on an externally-powered loop You can use the HART terminals on the Trex unit to measure the voltage on an externally-...
  • Page 149 User Guide Loop Diagnostics application September 2021 Figure 4-18: Example connection for measuring current A. Analog output. 2. In the Loop Diagnostics application, view the measured current at the top of the screen. 4.11.3 Simulate a transmitter on an externally-powered loop for a loop check The Loop Diagnostics application can control current to simulate a 2-wire transmitter on an externally-powered loop.
  • Page 150 Loop Diagnostics application User Guide September 2021 2. On the Loop Diagnostics screen, tap Trex Unit Current. 3. Tap one of the quick buttons to increase the current being supplied, use the up and down arrow keys, or tap the pencil icon to enter a new value. 4.

  • Page 151: Fieldbus Diagnostics Application

    User Guide Fieldbus Diagnostics application September 2021 Fieldbus Diagnostics application The Fieldbus Diagnostics application lets you run diagnostics to troubleshoot fieldbus segments and devices. It provides power and basic communications for verifying device operations on an isolated mini-segment. The application provides optional communications for identifying the device list.
  • Page 152 Fieldbus Diagnostics application User Guide September 2021 Open or close the Fieldbus Diagnostics application Procedure 1. To open Fieldbus Diagnostics, tap the Fieldbus Diagnostics icon on the Trex Home screen. 2. To close Fieldbus Diagnostics, tap Exit. Fieldbus Diagnostics Overview screen The Fieldbus Diagnostics Overview screen is the home screen for the application.
  • Page 153 User Guide Fieldbus Diagnostics application September 2021 Figure 5-1: Fieldbus Diagnostics screen at start up User Guide 1.800.561.8187 information@itm.com www. .com...
  • Page 154 Fieldbus Diagnostics application User Guide September 2021 Figure 5-2: Fieldbus Diagnostics Overview screen while taking measurements A. View the status of the DC voltage measurement. B. View the status of the noise measurements. C. View a spectrum of the low-frequency, in-band, and high-frequency noise measurements.
  • Page 155 User Guide Fieldbus Diagnostics application September 2021 communication on an externally- powered fieldbus segment, Go Online starts fieldbus network communications so fieldbus signals can be measured. Note If you connect the Trex unit to an active fieldbus segment with a LAS, the devices, the device addresses, and signal measurements are displayed on the Details screen.
  • Page 156 Fieldbus Diagnostics application User Guide September 2021 Status Description CHECK The measurement is greater than the maximum value or less than the minimum value defined the measurement criteria. The CHECK status is used for the noise and signal measurements because the measurements may be GOOD or BAD depending on the location of where the measurement is taken and on the fieldbus segment's tolerance to noise.
  • Page 157 User Guide Fieldbus Diagnostics application September 2021 Default status labels for the noise measurement Default status labels for the signal measurement If the fieldbus signal measurement has a BAD or CHECK status, an additional status note is listed on the Fieldbus Diagnostics Overview screen. Fieldbus signal status note Description Within the range for all nodes...
  • Page 158 Fieldbus Diagnostics application User Guide September 2021 Fieldbus signal status note Description Signal low/high on few devices Fewer than half of the devices on the fieldbus segment have signal measurements that are higher than the set maximum value or lower than the set minimum value. Signal low/high on <device address>...
  • Page 159 User Guide Fieldbus Diagnostics application September 2021 Figure 5-4: Connect to an externally-powered fieldbus segment For small fieldbus segments, the power conditioner and terminators can be contained in a single wiring block. Note You can connect the Trex unit at any convenient place along the fieldbus segment (bus). In the field, this is typically done at the device or at the fieldbus junction box.
  • Page 160 Fieldbus Diagnostics application User Guide September 2021 WARNING Do not add any external power to the device when the Trex unit is powering the device. This can blow a fuse inside the Trex unit. The repair/replacement will need to be completed at an authorized service center.
  • Page 161 User Guide Fieldbus Diagnostics application September 2021 Procedure 1. Connect the lead set to the FF terminals on the Trex unit and to the fieldbus segment or device. Figure 5-6: One connection option for connecting to the fieldbus segment A. Terminators B.
  • Page 162 Fieldbus Diagnostics application User Guide September 2021 b) Open Fieldbus Diagnostics. The measurement status appears on the screen. c) If the signal measurement status is "INACTIVE" or if you want to identify the device tags that are listed on the Details screen, tap Go Online. 2.
  • Page 163 User Guide Fieldbus Diagnostics application September 2021 View the live measurement values in Fieldbus Diagnostics The Fieldbus Diagnostics Overview screen displays measurements as a GOOD, BAD, or CHECK status. However, you can view the actual measurement values in real-time. The Details screen also displays all the devices found on the fieldbus segment. If you selected Go Online, the devices are listed by tag and address.
  • Page 164 Fieldbus Diagnostics application User Guide September 2021 Figure 5-7: Help example 5. Tap OK to close the Help screen. 5.11 Noise spectrum The noise spectrum gives you a real-time view of the different types of noise that were detected on the fieldbus segment. Various conditions can cause different types of noise. The spectrum displays the measurements grouped by low frequency, in-band, and high frequency noise.
  • Page 165 User Guide Fieldbus Diagnostics application September 2021 highest peak. For example, use Reset Peak to clear a noise spike that was detected when connecting the Trex unit or other hardware to the fieldbus segment. The measurements on the spectrum are also color-coded to indicate if the status of the measurement.
  • Page 166 Fieldbus Diagnostics application User Guide September 2021 How noise affects the fieldbus segment The fieldbus segment can function properly with large amounts of low-frequency noise, small amounts of in-band noise, or moderate amounts of high-frequency noise. In-band noise is most likely to directly impact fieldbus communications. Bursts of in-band noise can cause the fieldbus network to slow down due to the messages being resent multiple times.
  • Page 167 User Guide Fieldbus Diagnostics application September 2021 Figure 5-9: Example of noise spectrum 3. If necessary, tap Reset Peak to clear the peak on the spectrum. 5.12 Settings Within the Fieldbus Diagnostics application, you can change the following settings: • View or hide the minimum, maximum, and average values for each measurement.
  • Page 168 Fieldbus Diagnostics application User Guide September 2021 5.12.1 View or hide the minimum, maximum, and average values for a measurement The minimum, maximum, and average values are displayed on the Details screen. By default, these values are displayed. Procedure 1. On the Fieldbus Diagnostics Overview screen, tap Settings. 2.
  • Page 169 User Guide Fieldbus Diagnostics application September 2021 5.12.4 Set the range of values for the GOOD and BAD status You can set the range of measurement values that determine the GOOD and BAD status for a measurement on the Fieldbus Diagnostics Overview screen. Any measurements within the set minimum and maximum values are labeled GOOD.
  • Page 170 Fieldbus Diagnostics application User Guide September 2021 Creating trends/reports When you enable logging, the Fieldbus Diagnostics application displays a screen of settings you can set for the log files. To create long-term trends/reports, set the Save option to Append and use the same log file for every measurement period. This allows the Fieldbus Diagnostics application to save multiple sets of measurements to one file, rather than overwriting the data each time you enable logging.
  • Page 171 User Guide Fieldbus Diagnostics application September 2021 Figure 5-10: Example log file Measurement intervals The Target Update Rate you set when you enable logging determines how many seconds occur between the sets of measurements, up to the maximum number of log entries you specify.
  • Page 172 Fieldbus Diagnostics application User Guide September 2021 • The application has saved the selected number of measurements. • The application has saved 100,000 entries in a log file. This is the maximum number. • The file size is larger than 176 MB. Note As a best practice, create a new log file for each fieldbus segment and connection point you are monitoring.
  • Page 173 User Guide Fieldbus Diagnostics application September 2021 Option Description Target Update Rate The number of seconds in between each set of measurements. The default setting is to take a set of measurements every 10 seconds. If the Fieldbus Diagnostics application detects a device was added/removed from the device list or it detects a bad DC voltage, the application captures an extra DC voltage measurement in the log file to show the DC...
  • Page 174 Fieldbus Diagnostics application User Guide September 2021 4. Ensure Append is selected for the Save Option. 5. Tap OK. 5.13.4 Transfer a Fieldbus Diagnostics log file from the Trex unit to a PC The Trex File Transfer Utility saves files to a default location on your PC. The utility can transfer one or more files.
  • Page 175 User Guide Fieldbus Diagnostics application September 2021 Figure 5-11: Help text example DC voltage measurement Possible cause Action Lower than expected The power supply's voltage Verify the power supply's setting may be set too low. voltage setting is correct. If necessary, increase the power supply voltage.
  • Page 176 Fieldbus Diagnostics application User Guide September 2021 Low-Frequency noise Possible cause Action The device or shield is not Ensure the device is properly properly grounded. grounded. Ensure the shield is properly isolated from the terminal housing. The shield should be grounded at only one location on the entire fieldbus segment and it should be a high-quality...
  • Page 177 User Guide Fieldbus Diagnostics application September 2021 High-frequency noise Possible cause Action Variable-frequency drives Check the grounding and installed near the fieldbus filtering that are used. segment may not have the recommended grounding and filtering. Fieldbus signal Possible cause Action Lower than expected The Trex unit is attached far Connect the Trex unit directly...
  • Page 178 Fieldbus Diagnostics application User Guide September 2021 Fieldbus signal Possible cause Action The Trex unit is powering a Ensure the Trex unit is FOUNDATION fieldbus device, connected directly to a single but it is not attached directly to FOUNDATION fieldbus device. the device terminals.

  • Page 179: Appendix A Troubleshooting

    User Guide Troubleshooting September 2021 Troubleshooting Troubleshoot HART communication Symptom Possible cause Solution "No Voltage Detected" message The lead set is improperly Attach the lead set to the is displayed. connected to the device. device. The Trex unit is connected to a None.
  • Page 180 Troubleshooting User Guide September 2021 Symptom Possible cause Solution HART communication is being Stop HART communications on prevented by the control the control system and verify if system. communication between the devices and the Trex unit is restored. More than one Trex unit or Ensure there is only one other secondary master may be primary master and one...
  • Page 181 User Guide Troubleshooting September 2021 the Trex unit to Poll by Address and ensure the Auto-Connect option in the Field Communicator Settings is disabled. Inspect the loop wiring to identify problems. The shield is normally grounded at one end only, which is usually the control system. Sample values Loop Current Flow Minimum voltage for 250 ohms.
  • Page 182 Troubleshooting User Guide September 2021 Symptom Possible causes Solution The Trex unit does not remain A host takes over as the LAS. When a host is established on a the LAS on a fieldbus segment. fieldbus segment, it will take over as the LAS.

  • Page 183: Appendix B Technical Specifications

    User Guide Technical specifications September 2021 Technical specifications This chapter lists the specifications for the hardware and the AC adapter. Physical specifications Specification Value Weight Approximately 1330 grams Height x width 7.75" x 5.5" inches Display 5.7 inch color VGA resistive touchscreen 640 x 480 pixel Buttons (front of the Trex X button - similar to a Back key...
  • Page 184 Technical specifications User Guide September 2021 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.
  • Page 185 User Guide Technical specifications September 2021 Terminal Overview mA terminals (external ammeter) The terminals measure current on a 4-20 mA current loop. Connectors: Two banana jack plugs. Internal fuse rating: 250 mA. Range: Up to 22.5 mA. Resolution: 0.1 mA. Shunt resistor: 2.43 Ohms.
  • Page 186 Technical specifications User Guide September 2021 Specification Value Storage with power module -20°C to +50°C (-4°F to 122°F) (less than 1 month) Storage without power -20°C to +60°C (-4 °F to 140°F) module Enclosure rating IP54 Shock The unit shall survive a 1-meter, all sides and corners drop test onto concrete.
  • Page 187 User Guide Technical specifications September 2021 ™ ® ™ FOUNDATION HART FOUNDATION fieldbus interface fieldbus (non-FISCO) (FISCO) FF pwr FF + and - HART + HART + FF pwr and FF + and - and F- and - 17.31 V 1.89 V 25.69 V 1.89 V...
  • Page 188 Technical specifications User Guide September 2021 Electrical Specification Input protection 1.6A 250VAC Fuse No load power consumption <0.5W max. at nominal input and no load output Output voltage 15 V Output current 4.33 A Ripple and noise 1% Vout Hold up time 10ms at nominal input and full load output No load operation Yes, to protect power supply and system from damage...

  • Page 189: Appendix C Product Certifications

    User Guide Product certifications September 2021 Product certifications See the AMS Trex Device Communicator website for the latest certificates, declaration of conformity, and approval information. Approved manufacturing location R. STAHL HMI Systems GmbH - Cologne, Germany Labels Each Trex unit has a main unit label. An Intrinsically Safe (KL option) Trex unit has another label on the side.
  • Page 190 Product certifications User Guide September 2021 EAC compliance EAC Ex This equipment complies with the EAC Directive. TP TC 012/2011 Applicable standards are ГОСТ 31610.11-2014 (IEC 60079-11:2011) and ГОСТ 31610.0-2014 (IEC 60079-0:2011). 1Ex ia [ia Ga] [ia IIIC Da] IIC T4 Gb Electro Magnetic Compatibility Tested to the EN 61326-1:2013-07 and ETSI EN TP TC 020/2011...

  • Page 191: Appendix D Wireless/Spectrum Approvals

    User Guide Wireless/Spectrum approvals September 2021 Wireless/Spectrum approvals Wireless/Spectrum approvals FCC and Radio frequency radiation exposure Information: For body worn operation, this device has been tested and meets FCC RF exposure guidelines. Information sur l´exposition aux rayonnements des ondes radio : Pour le port sur une partie du corps, les directives de la FCC en rapport avec l'exposition aux fréquences RF ont été...
  • Page 192 1.Equipment Name/Model Name: 특정소출력무선기기 (무선데이터통신 Korea 시스템용 무선기기) Trex Device Communicator . 2.Registration No.:MSIP-CMM-ERN-71354986317987 3.Applicant Name: Emerson Process Management 4.Manufacture Date: 2016 5.Manufacturer/Country of Origin: Emerson Process Management / 독일 "해당무선설비는 운용 중 전파혼신 가능성이 있음" User Guide 1.800.561.8187 information@itm.com www.

  • Page 193: Glossary

    User Guide Glossary September 2021 Glossary Activation Activation updates the Trex unit with any needed licenses and enables the full functionality of the Trex unit. Activation also associates the Trex unit and its attached Trex modules with a user account/company. Ammeter The mA terminals on the Device Communicator Plus communication module that enable the Trex unit to measure current on a 4-20 mA current loop.
  • Page 194 Glossary User Guide September 2021 A HART or 4-20 mA current loop that is powered by a power-supply or digital control system. The Trex unit is not powering the loop. FOUNDATION fieldbus FOUNDATION fieldbus technology uses device descriptions and function blocks to enable intelligent devices to execute control functions traditionally performed by a distributed control system.
  • Page 195 User Guide Glossary September 2021 The bus arbiter for the fieldbus segment. The LAS recognizes and adds new devices to the link, removes non-responsive devices from the link, and distributes Data Link (DL) and Link Scheduling (LS) time on the link. Link Master A Link Master device controls when a device accesses the fieldbus segment and executes the link schedule, which synchronizes communications with function block execution on...
  • Page 196 Glossary User Guide September 2021 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.

  • Page 197: Index

    User Guide Index September 2021 Index AC adapter backlight approvals change charge power module timer 36, connector backlight timer overview overview specifications activate bar charts applications horizontal Trex unit vertical without internet connection basic device activation set fieldbus device overview Basic Setup verify status block instantiation...
  • Page 198 Index User Guide September 2021 configuration (continued) Device Communicator Plus communication module (continued) send to HART device power a FOUNDATION fieldbus device 105, Configure screen 60, power a HART device 84, 139–141 Connect - Select screen remove overview required for application return to specifications connected deployment...
  • Page 199 User Guide Index September 2021 exchange port (continued) green LEDs changing hand strap favorites hard shut down HART + pwr terminals overview HART device remove connect 70, view power 84, 139–141 FF pwr terminal wiring diagrams FF terminals HART Device List Field Communicator application automatically open connect FOUNDATION fieldbus device...
  • Page 200 Index User Guide September 2021 internal resistors (continued) overview mA terminals values MAC address intrinsically safe electrical parameters IO block schedule maintenance and repair Manual mode fieldbus block mark parameter 91, measurement criteria keypad memory specifications view available menu labels navigate using keypad serial numbers Menu screen...
  • Page 201 User Guide Index September 2021 operating system (continued) precautions (continued) version number Device Communicator Plus communication module orange LED Out of Service mode power module and AC adapter fieldbus block touchscreen Overview screen Process Variables device menu processor 34, Fieldbus Diagnostics range values 89, pair an AMS Trex unit reboot 26,...
  • Page 202 Index User Guide September 2021 shut down timer (continued) text enable or disable enter overview THUM adapter signal level measurement automatically detect overview communicate save to log file power 76, set range of values wiring diagrams view measurement status time simulate daylight saving device for loop check...
  • Page 203 User Guide Index September 2021 vertical bar charts view spectrum voltage measure 4-20 mA current loop measure fieldbus segment measurement specification weight Wi-Fi see Wireless wireless add IP address add network connect to network enable or disable forget network icon icons overview wireless network...
  • Page 204 Index User Guide September 2021 User Guide 1.800.561.8187 information@itm.com www. .com...
  • Page 205 User Guide September 2021 User Guide 1.800.561.8187 information@itm.com www. .com...
  • Page 206 All rights reserved. AMS is a mark of one of the Emerson group of companies. The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their respective owners.

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