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5.14

Troubleshooting Fieldbus Diagnostics

If you see a measurement labeled 

BAD

 or 

CHECK

, tap 

Details

 to view the values for each

measurement. Press and hold a measurement value on the screen to view Help that
describes overview or troubleshooting information. You can also access the Help menu by
holding the checkmark button on the keypad when a measurement value is selected.

Note

To prevent inaccurate 

BAD

 or 

CHECK

 readings, review the measurement criteria in the 

Settings

, and

set the minimum and maximum values to ensure they are appropriate for your installation.

Help text example

Figure 5-11:   

DC voltage measurement

Possible cause

Action

Lower than expected

The power supply's voltage
setting may be set too low.

Verify the power supply's
voltage setting is correct. If
necessary, increase the power
supply voltage.

An unexpected voltage drop
may be due to a damaged
cable, corrosion in the
terminals, low impedance to
ground, water in the device
terminals, or loose connections.

Measure the voltage at several
points on the fieldbus segment
to determine the location of the
unexpected voltage drop. Start
at the power supply and
continue toward the original
measurement point where the
voltage was measured low.

Fieldbus Diagnostics application

174

User Guide

Summary of Contents for AMS Trex

Page 1: ...User Guide Rev 3 August 2017 AMS Trex Device Communicator User Guide ...

Page 2: ...t 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 Em...

Page 3: ... module 14 2 6 Power module 14 2 6 1 Precautions for the power module and AC adapter 15 2 6 2 AC adapter 15 2 6 3 LEDs on the power module 16 2 6 4 View the remaining power module charge 17 2 6 5 Charge the power module 18 2 6 6 Install the power module into the Trex unit 18 2 6 7 Remove the power module from the Trex unit 19 2 6 8 Maintain the power module 19 2 7 Accessories 20 2 7 1 Cables and l...

Page 4: ...r 44 2 16 1 Replace the stand 44 2 16 2 Calibration 44 Chapter 3 Field Communicator application 45 3 1 Open or close the Field Communicator application 46 3 2 Device interoperability 46 3 3 Forward Compatibility rules for saving and sending configurations to AMS Trex 47 3 4 Automatically detect a device 47 3 4 1 Automatically connect to a HART device 48 3 5 Connect Select screen 48 3 6 Device conn...

Page 5: ...rminals 96 3 18 3 Wiring diagrams for FOUNDATION fieldbus devices and the Field Communicator application 98 3 18 4 Link Active Scheduler LAS 100 3 18 5 Fieldbus Device List 100 3 19 Power and connect to a FOUNDATION fieldbus device 101 3 20 Connect to an externally powered FOUNDATION fieldbus device 103 3 21 Online FOUNDATION fieldbus devices 104 3 21 1 Limitations for commissioned devices 104 3 2...

Page 6: ...iagnostics application 149 5 1 Open or close the Fieldbus Diagnostics application 150 5 2 Fieldbus Diagnostics Overview screen 150 5 3 GOOD BAD and CHECK measurements in Fieldbus Diagnostics 153 5 4 Wiring diagrams for the Fieldbus Diagnostics application 155 5 5 Power a FOUNDATION fieldbus device 157 5 6 Connect to an externally powered fieldbus segment 158 5 7 Measure the DC voltage noise and th...

Page 7: ...fications 183 B 2 Communication module specifications 184 B 3 Processor memory operating system specifications 186 B 4 Environmental specifications 186 B 5 Intrinsically Safe electrical parameters 187 B 6 Power module specifications 188 B 7 AC adapter specifications 188 Appendix C Product certifications 191 Appendix D Wireless Spectrum approvals 193 Glossary 195 Index 199 Contents User Guide v ...

Page 8: ...Contents vi User Guide ...

Page 9: ...es 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...

Page 10: ...nications 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 di...

Page 11: ...nables 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 t...

Page 12: ...one 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 ...

Page 13: ...hat 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...

Page 14: ...em 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 T...

Page 15: ...approved Trex unit Static discharge is possible 2 3 1 Supported gestures The Trex unit uses a single tap to select an item on the screen You do not need to double tap an option on the screen Note Multi touch gestures such as pinch are not supported Only single touch gestures are supported Gesture Description Tap Tapping a menu item opens another menu For example you can tap a device description in...

Page 16: ...pecial characters Tap the screen or use the four arrows keys on the keypad to enter the desired characters Tapping the Shift Key twice on the keyboard enables Shift Lock For screens that require passwords text is hidden by default but can be revealed before confirming by tapping the reveal icon 2 3 3 Clean the touchscreen Clean the touchscreen with a soft cloth with pH neutral detergent or alcohol...

Page 17: ...rex unit has a serial number for each part including the main unit power module and communication module The label on each part lists the serial number You may need to provide a serial number if you work with technical support 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...

Page 18: ...unicator communication module has unique terminals for both HART and FOUNDATION fieldbus devices Device Communicator communication module Figure 2 4 A Connect to externally powered FOUNDATION fieldbus devices B Connect to externally powered HART devices Device Communicator Plus communication module The Device Communicator Plus communication module can connect to HART and FOUNDATION fieldbus device...

Page 19: ...n externally powered HART device The HART terminals also have an optional loop resistor for enabling HART communications on 4 20 current loop and optional current control for moving a positioner CAUTION Before you insert or remove a communication module ensure the Trex unit is powered off Ensure sufficient grounding Ensure the personnel working surfaces and packaging are sufficiently grounded when...

Page 20: ...e the Trex unit The repair replacement will need to be completed at an authorized service center 2 5 1 Ammeter on the Device Communicator Plus communication module The Device Communicator Plus communication module has several ammeters for reading current 1 Ammeter in the mA terminals This ammeter is intended for quick measurements and is for reference only 2 Ammeter in the HART pwr terminals This ...

Page 21: ...rts Avoid touching the pins on the connectors or components Discharged energy can affect the modules Handle the module with care It is possible to bend the pins on the module s connector 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 con...

Page 22: ...screws on the module using a screwdriver 5 Gently lift the communication module straight away from the Trex unit Do not slide the communication module Trex unit with the communication module removed Figure 2 7 2 6 Power module A rechargeable Lithium Ion power module powers the Trex unit A typical charge should last for more than 8 hours of continuous use The Trex unit displays a low battery warnin...

Page 23: ... or next to heat sensitive materials Charge the power module with only the provided AC adapter The AC adapter should not be used with other products Failure to comply may permanently damage the Trex unit and void the IS approval and warranty Do not open or modify the power module or AC adapter There are no user serviceable components or safety elements inside Opening or modifying them will void th...

Page 24: ...power module and AC adapter 2 6 3 LEDs on the power module The power module has six LEDs to indicate the charging status Press the button next to the LEDs to illuminate the LEDs and view the current charge level AMS Trex Device Communicator overview 16 User Guide ...

Page 25: ...in that 20 percent range C Power module button Press to illuminate the power module LEDs 2 6 4 View the remaining power module charge You can check the remaining power module charge from several places Procedure 1 Check the charge from the power module a Press the power module button to illuminate the 5 LEDs b View the LEDs Each solid green LED indicates approximately 20 percent charge 2 Check the...

Page 26: ...tach the AC adapter cable to the charger port on the lower left side of the Trex unit A full charge takes approximately three to four hours 2 6 6 Install the power module into the Trex unit CAUTION Ensure sufficient grounding Ensure the personnel working surfaces and packaging are sufficiently grounded when handling electrostatically sensitive parts Avoid touching the pins on the connectors or com...

Page 27: ... down on a level secure surface 3 Use a Torx screwdriver to loosen the four screws on the power module The screws do not need to be fully removed 4 Gently lift the power module straight away from the Trex unit Do not slide the power module Trex unit with the power module removed Figure 2 10 2 6 8 Maintain the power module To help maintain the performance and life of the power module understand and...

Page 28: ...A handstrap that can be connected to either side of the Trex unit 2 7 1 Cables and lead sets The Trex unit comes with a lead set so it can connect to a device The lead set attaches to one set of terminals on the top of the Trex unit The positive lead is marked with a red band near the banana jacks Note When you remove the lead set from the Trex unit do not pull on the cable Grab the plug connector...

Page 29: ...ng or carrying the Trex unit in the case ensure the face plate on the case is closed This protects the touchscreen from unexpected contact with other objects Note Ensure the carrying case is clean Otherwise this can affect the strength of the connection on the strap or faceplate When carrying the Trex unit in high places use the hand strap The bottom compartment on the carrying case opens so you c...

Page 30: ...ond 2 To power off do one of the following Quickly press the power button and then tap Turn Off Tap Settings or the status bar at the top of the screen and tap More Power Management Turn off 2 8 1 Reboot 1 Tap Settings or the status bar at the top of the screen 2 Tap More Power Management Reboot AMS Trex Device Communicator overview 22 User Guide ...

Page 31: ...dly use the hard shut down Procedure Press and hold the power button for 12 seconds The Trex unit shuts down 2 9 Home screen The Home screen appears after you power on the Trex unit The Home screen displays the installed applications and the status bar at the top of the screen The Home screen may display one or more of the applications listed below AMS Trex Device Communicator overview User Guide ...

Page 32: ...asure the DC voltage the noise and the signal on a FOUNDATION fieldbus segment The Trex unit can also power one FOUNDATION fieldbus device Loop Diagnostics Measure loop current and voltage control current and power a HART device Settings View and adjust settings for the Trex unit Trex Help View help topics that describe the hardware and applications on the Trex unit AMS Trex Device Communicator ov...

Page 33: ...Status bar 2 9 1 Return to the Home screen If an application is open you can return to the Home screen without exiting the application Procedure 1 Tap the status bar at the top of the screen 2 Tap Home 2 9 2 Status bar The status bar lets you access settings and view information about the Trex unit The status bar is displayed on the Home screen and in applications The status bar displays the follo...

Page 34: ...wireless settings 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 To view and modify settings tap Settings on the Home...

Page 35: ...n applications are displayed 3 Select the X next to the application name 2 10 3 Change the screen brightness 1 Tap Settings or the status bar at the top of the screen 2 Tap Brightness 3 Use the slider to change the brightness 2 10 4 Wireless communication The Trex unit can connect to wireless networks to synchronize data on AMS Trex with AMS Device Manager You can enable or disable wireless commun...

Page 36: ...You can disconnect from a wireless network by sliding Wireless Networks to off connecting to another network or choosing Forget on a connected Wireless network Related information Enable or disable wireless communication Connect the Trex unit to a broadcasting wireless network Connect the Trex unit to a non broadcasting wireless network Enter a network address for an AMS Trex unit Forget a wireles...

Page 37: ...the Wireless Networks option is set to ON This enables the wireless radio in the Trex unit 4 Tap Add Wi Fi Network 5 Edit the following options as needed You may need assistance from your network administrator Option Description Network SSID The name of the wireless network Security The type of security used for the wireless network 6 Tap Connect Depending on the network security you may need to e...

Page 38: ...rt AMS Trex communicates with wireless networks at port 8081 If your network uses this port or restricts access to it AMS Trex may not be able to communicate with the network Contact your network administrator for details Procedure 1 Tap Settings Platform Communications 2 Tap to change the default and enter a port number Postrequisites If you change the default port for one AMS Trex unit Emerson r...

Page 39: ...r a new name up to 20 characters 5 Tap OK 2 10 7 View the application version number You can view the version numbers for all the installed applications Procedure 1 Tap Settings or the status bar at the top of the screen 2 Tap More Installed Applications The version numbers for all installed applications are displayed 3 Tap Back to close the screen 2 10 8 Set the time and date Note When you connec...

Page 40: ...tiate the calibration Tap Settings or the status bar at the top of the screen 2 Tap More Display Calibrate touch screen 3 Tap the screen as indicated 2 10 10 Set the language on Trex Changing the display language requires the AMS Trex unit to be rebooted Make sure you have no outstanding changes before changing the display language Procedure 1 Tap the toolbar at the top of the screen 2 Tap More La...

Page 41: ... Trex unit is powering a device before entering suspend it continues to power and communicate with the device If a Trex unit is connected to a network it remains connected in suspend mode You can put the Trex unit in suspend mode or wait for the suspend timer to expire When in suspend mode the Trex unit shuts down if there is no activity key presses after a specified amount of time Use the Turn of...

Page 42: ...own if there is no activity key presses after a specified amount of time Use the shut down timer to specify this time The timer is enabled only when the AC adapter is not connected to the Trex unit Note The timers are cumulative For example if you set the Dim Display Backlight timer to 5 minutes and the Suspend timer to 5 minutes the Trex unit enters suspend after 10 minutes Procedure 1 Tap Settin...

Page 43: ...ation polls addresses zero and 63 and displays the Device List so you can select a device from the list or change polling options from the My Device Not Found button You may want to disable this option in the following situations The Trex unit is connected to a multi drop HART loop and you want to configure a device at another address The Trex unit is connected to a transmitter at address zero wit...

Page 44: ...gs can run simultaneously To switch between applications that can run simultaneously tap the status bar at the top of the screen and tap Apps You can then select the open application you want to view and use You can purchase new applications or get updates to applications from Upgrade Studio See the Upgrade Studio Help for more information Related information Home screen View the application versi...

Page 45: ...l operation that enables this is a pairing of an AMS Trex unit with a single AMS Device Manager station By default synchronization happens automatically when AMS Trex is connected to a paired AMS Device Manager station using USB or when it is connected to a Wi Fi network that can communicate with an AMS Device Manager Server Plus Synchronization occurs when the devices match in both systems by man...

Page 46: ...ous 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 Connect the micro USB end of the cable to the AMS Trex unit 2 Connect the USB to the AMS Device Manager station AMS Trex begins downloading Audit Trail events to the AMS Device Manager Audit Trail Note If the AMS Trex unit Wireless i...

Page 47: ... the pairing Related information Unpair an AMS Trex unit 2 13 3 Unpair an AMS Trex unit You can unpair a Trex unit from the AMS Device Manager software or from the Trex unit To assure device data is not lost you should unpair from the AMS Device Manager UI Unpair from an AMS Device Manager station From AMS Device Manager connect the microUSB to the Trex unit and then connect the USB to an AMS Devi...

Page 48: ...the connected Trex unit Upgrade Studio also provides a link to a website where you can purchase new applications accessories or Trex units or identify the sales channel for your area Upgrade Studio lets you Create and use your Trex online user account to activate the Trex unit download updates view support contract information or access the online store if it is available in your area Activate the...

Page 49: ...d on 2 Connect the microUSB cable to the top of the Trex unit and then to the PC where Upgrade Studio is installed Note The USB driver is installed when you install Upgrade Studio 3 In Upgrade Studio click Activate Units or Install Updates 4 If you do not see the Trex unit select Show All Trex units from the drop down bar Upgrade Studio connects to the Trex unit and the icon appears on the screen ...

Page 50: ...rade Studio is installed 2 In Upgrade Studio click Activate Units 3 Click Login 4 Enter your username and password if prompted and click Login Logging in enables Upgrade Studio to retrieve the correct activation code for the Trex unit If you do not log in you need to click the Don t have an activation code link to request an activation code When you receive the activation code enter or copy paste ...

Page 51: ... not using the air gap deployment email the exported Trex synchronization file to Emerson at WWCS CustServ emerson com 12 If you are using the air gap deployment do the following a Open Upgrade Studio on the PC that has an internet connection b Transfer the Trex synchronization file to that PC c Click More Import Package d Browse to the location that has the Trex synchronization file and click OK ...

Page 52: ...rminal recess is free of dirt and debris Install and remove the communication module 2 16 1 Replace the stand 1 Place the Trex unit face down on a level secure surface 2 Lift up the stand 3 Use a Torx screwdriver to loosen and remove the two screws under the stand 4 Remove the stand 5 Place the new stand on the Trex unit 6 Insert and tighten the two screws Do not over tighten the screws Use 0 5Nm ...

Page 53: ...ions 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 Communica...

Page 54: ...cator communication module or Device Communicator Plus communication module However the Trex unit cannot power a HART or FOUNDATION fieldbus device with the Device Communicator communication module 3 1 Open or close the Field Communicator application 1 To open the application tap the Field Communicator icon on the Trex Home screen The Auto Detect screen is displayed while the Field Communicator ap...

Page 55: ...ication or when the Connect Select screen is displayed the Trex unit checks for the most common connection scenarios and if possible detects the connected device and displays the Device List You can then select a device and display its device menu The auto detect feature lets you skip the device connection wizard in the Field Communicator application which allows for faster connections to devices ...

Page 56: ...that is powered by its battery and the device is communicating at address zero If the Trex unit cannot automatically connect to the device tap HART on the Connect Select screen and follow the prompts from the device connection wizard to connect to the device Note You can disable the Field Communicator application from automatically connecting to a device at address zero If you disable this option ...

Page 57: ...must exit and restart the Field Communicator application After the HART or Fieldbus Device Lists are displayed the HART or Fieldbus buttons disappear until you restart the application Option Description Power Status Detect voltage on the lead set Communication Status Detect if a connected device is communicating with the Trex unit Field Communicator application User Guide 49 ...

Page 58: ... to the Connect Select screen from a device screen press Menu Disconnect Related information Status when detecting a device 3 6 Device connection wizard If the Trex unit cannot automatically detect or connect to the device tap HART or Fieldbus on the Connect Select screen to start the device connection wizard The wizard displays a set of questions to help you connect to the device You may see one ...

Page 59: ...connected the Field Communicator application displays a message if an error is detected including if the lead set is removed from the device or Trex unit For example if you try to enable the Trex unit to power a device that already has power the Field Communicator application displays a message that voltage was detected and the Trex power supply is turned off to protect the device and Trex unit In...

Page 60: ...If you try to power a device when this occurs the Trex unit asks if you want to ignore the voltage warning and proceed with sourcing power If you select Yes the Trex unit powers the device Low Voltage Detected on HART pwr The detected voltage is between 0 5 and 8 volts No Voltage Detected Typical status for connecting An unpowered device To some types of 4 wire HART devices To some types of Wirele...

Page 61: ...ical status when the Trex unit detects A HART device in burst mode Active HART communication from the digital control system A response to a polling message sent to the device This status may be sporadic and may alternate between HART Detected and No Communication If unexpected communications are detected remove the AC adapter to isolate the Trex unit from noise 3 8 Online menu or Device Dashboard...

Page 62: ... the images under Device and Communications may be selectable links Service Tools View and modify options for alerts variables and maintenance For FOUNDATION fieldbus devices the Service Tools option lets you edit the device tag and address and set the IO block schedule and the link master device You can also access the blocks directly from the Block List option on the Service Tools screen Configu...

Page 63: ...Dashboard menu example Figure 3 3 3 8 1 Device screen layout In the Field Communicator application the device screens have four main parts Field Communicator application User Guide 55 ...

Page 64: ... the Trex unit is connected to the device tag short tag or long tag and the menu title Online If you tap the application title bar a menu is displayed Depending on the type of device the menu lets you view the HART short long tag or more information about the device description including the manufacturer device type device revision and device description revision A Back or Exit button is also disp...

Page 65: ...ons for a device Most devices have an Online option Devices that display a device dashboard display Overview Configure and Service Tools 3 8 2 Application bar The application bar lists the main options for the connected device Depending on the device description you may see a different application bar than the one described below See the device documentation for more detailed descriptions of these...

Page 66: ...vice tag device address IO block schedule link master configuration and device information Configure Device dashboard screen only Configure the device parameters 3 8 3 Menu screen The Menu screen lets you connect disconnect a device edit and save a configuration send a configuration only for a connected device set a favorite or simulate a device To access the Menu screen without connecting to a de...

Page 67: ...ist for quick access The Favorites option is available for only HART devices Simulate Simulate a connection to a live HART or FOUNDATION fieldbus device depending on if you selected HART Offline or Fieldbus Offline This option is displayed only if a device is not connected to the Trex unit Save Config Save a configuration for this device to the AMS Trex unit Send Config Send a configuration to a c...

Page 68: ...ate or edit a configuration on the AMS Trex unit You can also connect a device simulate a device or edit a configuration from the Menu screen Menu screen for no connected HART device Figure 3 7 Field Communicator application 60 User Guide ...

Page 69: ...enus may have one or more icons Device menu with icons Figure 3 8 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 Field Communicator application User Guide 61 ...

Page 70: ...ons to HART devices The Trex unit can communicate with a device from the control room on the bench or any wiring termination point in the loop Review the HART wiring diagrams to ensure the Trex unit is correctly connected to the device Note The Trex unit acts as a secondary HART master on a HART loop Related information Internal resistors 3 10 1 HART communication terminals The Trex unit has commu...

Page 71: ...unication terminals on the Device Communicator Plus communication module Figure 3 10 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 Field Communicator application User Guide 63 ...

Page 72: ...HART loop CAUTION Remove the USB cable from the Trex unit before connecting to a device Power and connect to a 2 wire HART transmitter Figure 3 11 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 Note Do not insert a resistor in parallel wi...

Page 73: ...er Do you intend to provide power from the Trex unit No Leads are attached to Transmitter Change Polling Option Tap Yes if the device is not at address zero Connect to an externally powered 2 wire HART transmitter Figure 3 13 If the transmitter is at address zero the Trex unit may automatically detect and connect to the device without any prompts from the device connection wizard A Voltage source ...

Page 74: ...e the Trex internal resistor Figure 3 14 Note The Trex unit must be connected in series with the transmitter to use the internal resistor A Voltage source Device connection wizard prompts Answer Do you intend to provide power from the Trex unit No Leads are attached to Transmitter Change Polling Option Tap Yes if the device is not at address zero Increase loop resistance Tap Yes to enable the inte...

Page 75: ...n for connecting setting up HART communication Devices may have different terminals or requirements A Voltage source Device connection wizard prompts Answer Do you intend to provide power from the Trex unit No Leads are attached to Transmitter Change Polling Option Tap Yes if the device is not at address zero Increase loop resistance Tap Yes if there is no external resistor between the device term...

Page 76: ...ernally powered HART positioner Figure 3 17 A Current source Device connection wizard prompts Answer Do you intend to provide power from the Trex unit No Leads are attached to 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 communicate Related information H...

Page 77: ...formation The Trex unit acts as a secondary HART master on a HART loop CAUTION Remove the USB cable from the Trex unit before connecting to a device Power the THUM adapter without a device attached and use 250 Ohm resistor Figure 3 18 Connect the lead set to the red and black wires Device connection wizard prompts Answer Do you intend to provide power from the Trex unit Yes Are you providing power...

Page 78: ...allows the Field Communicator application to detect both the THUM adapter and the transmitter and let you select which one to communicate with Device connection wizard prompts Answer Do you intend to provide power from the Trex unit Yes Are you providing power to a transmitter or positioner Transmitter Change Polling Option Tap Yes and select the address for the THUM adapter the device or 0 63 for...

Page 79: ...eld Communicator application to detect both the THUM adapter and the transmitter and let you select which one to communicate with A Optional connection if the yellow and white wires are inaccessible B Voltage source Device connection wizard prompts Answer Do you intend to provide power from the Trex unit No Leads are attached to Transmitter Change Polling Option Tap Yes and select the address for ...

Page 80: ...ou intend to provide power from the Trex unit No Leads are attached to Transmitter Change Polling Option Tap Yes and select 63 Communicate with the THUM adapter powered by a current source Figure 3 22 Connect the lead set to the yellow and white black wires The 250 Ohm resistor is not required but it may be used to verify current A Current source Field Communicator application 72 User Guide ...

Page 81: ...devices that the Trex unit has detected Each device is listed by its tag and address The Device List will not display when the Auto Connect option for the Field Communicator application is enabled and a device was found at address zero Tap a device displayed on the Device List to connect to it If a device is not listed tap My Device Not Found to change the HART polling options Field Communicator a...

Page 82: ...it 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 Note For positioners the internal resistors in the Trex unit are disabled Field Communicator application 74 User Guide ...

Page 83: ...Used when the Trex unit detects the current is too high for the 250 Ohm resistor on an externally powered 4 20 mA current loop If the current continues to be too high after adding this resistor the Trex unit displays an error message indicating the detected current exceeds the capacity of the resistor The 500 Ohm resistor is used for externally powered current loops Connection to a transmitter pow...

Page 84: ...n the HART terminals Connection for using the internal resistor for a 4 wire transmitter Figure 3 26 A Voltage source 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...

Page 85: ... communication terminals on the device Connection for providing power to a 2 wire HART transmitter Figure 3 27 b In the Field Communicator application tap HART c Tap Yes when asked if you intend to provide power d Tap Transmitter The Trex unit applies the internal resistor e Follow any additional prompts to connect to the device 2 If the Trex unit is connected to an externally powered 2 wire HART ...

Page 86: ...the Field Communicator application 3 12 Power and connect to a HART device The Trex unit can provide up to 16 volts at 22 5 mA to power a HART device The Trex unit must have the Device Communicator Plus communication module to power a HART device transmitter or positioner You do not need to add an external resistor The Trex unit has a 167 Ohm internal resistor in the HART pwr terminals that is use...

Page 87: ...ge the 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 Ensure the device is disconnected from the loop segment and no other wires are connected to the device before providing power from the Trex unit Procedure 1 Connect the ...

Page 88: ...nicator application Wiring diagrams for the Smart Wireless THUM Adapter and the Field Communicator application Disconnect a device HART communication terminals Internal resistors 3 12 1 Power and connect to a Smart Wireless THUM adapter The Trex unit must have the Device Communicator Plus communication module to power a THUM adapter When performing a bench configuration the THUM adapter should be ...

Page 89: ...ation Disconnect a device 3 13 Connect to an externally powered HART device By default the Trex unit tries to automatically connect to the device at address zero See Section 3 4 1 for more information CAUTION Remove the USB cable from the Trex unit before connecting to a device Note The Trex unit acts as a secondary HART master on a HART loop Procedure 1 Connect the lead set to the HART terminals ...

Page 90: ...ing diagrams for HART devices and the Field Communicator application Wiring diagrams for the Smart Wireless THUM Adapter and the Field Communicator application Disconnect a device HART communication terminals Internal resistors 3 14 Online HART devices 3 14 1 HART icons When the Trex unit communicates with a HART device one of the following icons appears in the status bar at the top of the screen ...

Page 91: ...e device description Test device View the status as well as self and master test of the device Test device initiates a diagnostic routine at the device and can report an electronics failure as well as other failures that can affect performance Loop test Set the output of the device at a specified analog value and test the integrity of the loop and the operation of indicators recorders or similar d...

Page 92: ...tatic 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 3 14 3 Changing device parameters When you change a parameter for a device the Field Communicator application highlights the changed parameter yellow unti...

Page 93: ...s and then send the changes to the device 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 4 Tap OK Field Communicator application User Guide 85 ...

Page 94: ...on 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 Select and edit the parameters 5 Tap the checkbox to mark the parameter for writing Note Unmarked parameters are saved but not sent when you transfer the configuration to a connected device 6 Tap Save when you finish editi...

Page 95: ... the value of the HART tag see the device documentation for more information The location of these tag parameters varies because it is determined by the device manufacturer Procedure 1 Connect to the HART device 2 Tap the tag that is displayed on the top of the screen Tap the device tag Figure 3 33 3 Select Tag or Long Tag Field Communicator application User Guide 87 ...

Page 96: ...3 14 7 View device alerts 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 Alerts button Figure 3 34 3 Tap OK Field Communicator application 88 User Guide ...

Page 97: ...OK The configuration is saved in the Trex unit 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 You can edit and store a configuration on the Trex unit If you are connected to a HART device you...

Page 98: ... finish editing the parameters 10 Enter a name for the configuration and tap OK The configuration file is saved 3 15 2 Edit a HART configuration Prerequisites Note Do not edit a configuration on the Trex unit while you are connected to the Configuration Management PC application Procedure 1 In the Field Communicator application tap HART Offline 2 Tap Offline Config Edit Existing 3 Tap the column h...

Page 99: ...3 Select the file to rename and tap OK 4 Enter a new name for the configuration and tap OK 5 Tap OK when asked if you want to rename the configuration The configuration is renamed 3 15 5 Delete a HART configuration 1 In the Field Communicator application tap HART Offline 2 Tap Offline Config Delete 3 Select the file to delete and tap OK 4 Tap OK when asked if you want to delete the file The file i...

Page 100: ...HART devices Procedure 1 Connect to a HART device 2 Tap Menu Favorites The Trex unit displays the list of favorites for the device 3 Tap a saved favorite to open that menu item 3 16 2 Add a menu item to the favorites list Add a menu item for a HART device to the favorites for quick access Procedure 1 Connect to a HART device 2 Go to the menu item you want to add to the favorites 3 Press the menu i...

Page 101: ...avorites 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 You cannot remove these default options You can only remove options you added to the favorites list Procedure 1 Connect to a HART device Field Communicator application User Guide 93 ...

Page 102: ...the Trex unit polls addresses greater than 15 on a loop with HART Universal Revision 5 devices those devices may appear at multiple addresses Note If you have two devices on a HART loop and one device is at address zero disable the Auto Connect option in the Trex Settings Otherwise the Trex unit automatically connects to the device at address zero and does not detect the second device 3 17 1 Set t...

Page 103: ...oll the default address for WirelessHART adapters Address 0 and 63 wireless adapter Poll address 0 and the default address for WirelessHART adapters Custom Poll a unique or non consecutive group of addresses example 0 5 7 12 Use a hyphen to specify consecutive addresses and or a comma to separate numbers or groups of numbers Tag Poll by the tag of the device Long Tag Poll by the long tag of the de...

Page 104: ...approximately 12 mA from the fieldbus segment when it is online The Trex unit draws 0 mA when it is offline Ensure the power supply or barrier on the fieldbus segment has the capacity to provide this additional current when the Trex unit is online If a heavily loaded fieldbus segment is drawing near the capacity of the segment s power supply connecting the Trex unit may result in loss of communica...

Page 105: ...tached to the Trex unit Figure 3 36 FOUNDATION fieldbus terminals on the Device Communicator communication module Figure 3 37 A FF terminals to communicate with a FOUNDATION fieldbus device Field Communicator application User Guide 97 ...

Page 106: ...ation 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 The Trex unit draws 0 mA when it is offline Ensure the power supply or barrier on the fieldbus segment has the capacity to provide...

Page 107: ...ION fieldbus Power Plug Connect to an externally powered FOUNDATION fieldbus device Figure 3 40 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 The drawing below is one...

Page 108: ...es 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 This list is called the Device List Although the Trex unit can be the LAS it does not maintain the communication schedule and should not be thought of as a backup LAS When the Trex unit is connected to a live fieldbus segment it joins the fieldbus segment but not as the ...

Page 109: ...oximately 10 volts at 25 mA to power a FOUNDATION fieldbus device The Trex unit will draw approximately 12 mA when it is online If you try to apply power from the Trex unit when the device is externally powered the Field Communicator application prevents the Trex unit from supplying power This protects the Trex unit from damage Field Communicator application User Guide 101 ...

Page 110: ...e device before providing power from the Trex unit Procedure 1 Connect the lead set to the FF terminals on the Trex unit and directly to the communication terminals on the unpowered device Ensure no other wires are connected to the device and there is no power to the device Do not attach to a junction box 2 Connect the FOUNDATION fieldbus Power Plug to the FF pwr terminal and the positive red term...

Page 111: ...evice 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 The Trex unit will become the LAS if it is connected to an externally powered FOUNDATION fieldbus device on a fieldbus segment with no communications CAUTION Remove the USB cable from the Trex unit before connecting to a device Procedure 1 Connect the lead set to t...

Page 112: ...devices that could adversely affect the control system You cannot do the following on a commissioned device Schedule blocks Change the link master configuration Change the block tag Change the device tag Change the device address 3 21 2 Device blocks Many FOUNDATION fieldbus devices organize the device parameters into separate blocks The Online menu displays block information for the connected FOU...

Page 113: ...de of the block to OOS When the changes are complete change the mode back to Auto Mode parameters Mode parameters change the block mode from one state to another For example you may want to change from Auto mode to Out of Service In the resource and transducer blocks the mode parameters are often in the Process menu In all other function blocks the parameters are in the Common Config menu Mode Des...

Page 114: ... more blocks on the Block List a Tap the mode button on the Block List A list of all blocks and the selected modes is displayed b For each block in the list you want to modify select the block and select the desired mode c Tap OK d Tap Send e Review the changes f Tap Send 3 To change the mode from within a block a Go to a block menu in the device Field Communicator application 106 User Guide ...

Page 115: ...he change is highlighted yellow e Tap Send f Review the change g Tap Send Change the IO block schedule for FOUNDATION fieldbus devices Change the IO block schedule on the bench not connected to a control system to execute an IO block to verify that the outputs of the block are computed correctly Field Communicator application User Guide 107 ...

Page 116: ...evices have different options associated with them and the selections on these menus vary accordingly See the device documentation for more information on supported menu items 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 ...

Page 117: ... system can assign an address to a device when it is connected to a fieldbus segment Device ID The unique identifier for a device Device Revision The revision of the device 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 Some changes ...

Page 118: ... cannot change the tag when the device is commissioned or a host linking device is detected on the fieldbus segment To change the tag use the host system or remove the device from the fieldbus segment and connect it directly to the Trex unit Procedure 1 Connect to the FOUNDATION fieldbus device 2 Tap Service Tools 3 Tap Physical Device Tag 4 Tap OK when prompted that the device will be restarted a...

Page 119: ...251 are temporary addresses Devices without a tag or address appear on the fieldbus segment at these addresses Addresses between 252 and 255 are reserved for visitors such as the Trex unit 3 21 8 Change the device address for a FOUNDATION fieldbus device Note The physical address of a FOUNDATION fieldbus device is read only when the device is commissioned or a host linking device is detected on th...

Page 120: ...a link master or basic device If a device can be a Link Active Scheduler LAS the Link Master Configuration menu option displays in the Service Tools menu Select Master if you want the device to attempt to be the LAS or select Basic to prevent the device from becoming the LAS After you set the option the Trex unit disconnects from the device Setting the device as a link master does not set the devi...

Page 121: ...e type 5 Tap the device revision 6 Tap OK when the device information is displayed The device menu is displayed You can view the device menus and configure parameters 7 To end simulation tap Menu Disconnect or close the Field Communication application 3 23 View the device descriptions on the Trex unit You can view all the device descriptions that are installed on the Trex unit The device descripti...

Page 122: ... 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 Connect to the HART or FOUNDATION fieldbus device 2 Tap the tag that is displayed on the top of the screen Tap the device tag Figure 3 45 Field Communicator application 114 User Guide ...

Page 123: ...eldbus device information as images charts and graphs Each type of graphic lets you zoom in zoom out and reset the graphic You can also use the drop down box to select a variable if multiple variables are displayed Graphics options Figure 3 46 A Select a variable The selected variable is displayed with a bold line B Reset the zoom level C Zoom out D Zoom in 3 26 1 Images An image is a full screen ...

Page 124: ...cal bar Displays data represented as bars from bottom to top Gauge Displays a gauge chart similar to an analog car speedometer Note If a chart is displayed for an extended time period the Trex unit may have decreased response time due to the large number of data points in the chart 3 26 3 Strip sweep scope chart The strip sweep scope chart formats device data into a line chart that displays device...

Page 125: ...ariable is defined for the option you selected in the drop down list The selected variable from the drop down list is outlined in color and has a black dot at the end of it The colors are determined by the device description and may vary between devices The labels and axis displayed are determined by the device manufacturer The chart update rate is determined by the device manufacturer The default...

Page 126: ...one variable is defined for the option you selected in the drop down menu The selected variable from the drop down list is outlined in color and has a black dot above it The colors are determined by the device description and may vary between devices The labels and axis displayed are determined by the device manufacturer The chart update rate is determined by the device manufacturer The default ch...

Page 127: ...e is defined The selected variable from the drop down list appears as a long colored needle while the other variables appear as short colored needles The colors displayed are determined by the device description and may vary between devices A gauge chart can have up to three variables The labels and axis displayed are determined by the device manufacturer The chart update rate is determined by the...

Page 128: ...s as a bold solid colored line while the other variables with the same Y axis appear as thin colored lines The colors displayed are determined by the device description and may vary between devices The labels and axis displayed are determined by the device manufacturer You may also see symbols such as circles on some variables These show keypoints that indicate the important values on a graph If m...

Page 129: ...ap 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 If the Trex unit was powering the device the Trex unit stops providing power when the lead set is removed The Connect Select screen is displayed Field Communicator application User Guide 121 ...

Page 130: ...Field Communicator application 122 User Guide ...

Page 131: ...op Diagnostics application You may also need a second lead set If you connect the Trex unit s HART terminals in series with an externally powered loop you can enable Trex Unit Current and have the Trex unit control current similar to how a transmitter controls current Controlling current lets you do the following Verify the input module on a digital control system Verify the cabling between the co...

Page 132: ...application tap the Loop Diagnostics icon on the Trex Home screen 2 To close the Loop Diagnostics application tap Exit If you enabled the Trex unit to power a device the Trex unit stops providing power when you close the Loop Diagnostics If the Trex unit was powering a positioner the application prompts you to select a current value for the positioner before the application closes This allows you ...

Page 133: ...ws you one setup for reading voltage on the HART terminals and current on the mA terminals when Trex Unit Power is off This setup lets you take the measurements without interrupting the 4 20 mA current loop by connecting the Trex HART terminals to a transmitter s communication terminals and connecting the Trex mA terminals to a transmitter s test terminals The connection diagram is updated based o...

Page 134: ...upplying controlling current including the values of the quick buttons the scale for the up and down arrows and the time to change to a new current value This option is enabled only when Trex Unit Power or Trex Unit Current is on E The quick buttons to control the current to the positioner or 4 20 mA current loop You can change the values of the buttons from the More Options button F The current m...

Page 135: ...rify its operation or perform wiring continuity checks on cables where no power exists Use the HART pwr terminals on the Trex unit to connect to the transmitter or positioner When you tap the Trex Unit Power option you can select the type of device transmitter or positioner to power The Trex unit notifies you if it measures voltage at the HART pwr terminals when you try to turn on Trex Unit Power ...

Page 136: ...ries with the red or black HART terminal on the Trex unit there will be less voltage available for the device especially at 20 mA This may cause the device to power off The Trex unit begins providing power when you tap OK 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 This will interf...

Page 137: ...move the positioner to a safe position without causing any unexpected moves from the valve when the Trex unit stops providing power You can select 4 mA 20 mA or the present value After the desired current level is reached the Trex unit stops providing power Note The Loop Diagnostics application has a Duration of Current Change option that lets you set how quickly the device will reach the set curr...

Page 138: ...ice center Ensure the device is disconnected from the loop segment and no other wires are connected to the device before providing power from the Trex unit 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 Do not conn...

Page 139: ... 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 This will interfere with the current measurements and may prevent communication Measure voltage on an externally powered HART transmitter Figure 4 5 A Voltage source Loop Diagnostics application User Guide 131 ...

Page 140: ...from the HART pwr terminals Connect to an externally powered positioner in parallel Figure 4 7 The Trex unit measures voltage from the HART terminals Voltage measurements can be taken at various points to identify voltage drops along the loop A Current source Loop Diagnostics application 132 User Guide ...

Page 141: ...Figure 4 9 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 The Trex unit is connected to the analog input AI channel You can connect the Trex unit at various points on the current loop including a junction box device connection point etc A Analog input Loop Diagnostics application Use...

Page 142: ...g a junction box device connection point etc WARNING Do not connect the mA terminals on the Trex unit to a power supply that is not current limited to 250 mA This can blow a fuse inside the Trex unit The repair replacement will need to be completed at an authorized service center A Analog output Connect to an externally powered positioner and read current Figure 4 11 A Analog output Loop Diagnosti...

Page 143: ...nsert 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 This will interfere with the current measurements Note Please review your device documentation for additional information about reading current from the test terminals The orientation of the terminals on your device may be different The drawing below is ...

Page 144: ...tion prevents the Trex unit from supplying power This protects the Trex unit from damage 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 Ensure the devic...

Page 145: ...he following Tap Trex Unit Power to set the option to Off Tap Exit Remove the lead set from the Trex unit 4 7 Power a 2 wire transmitter and measure analog output You can remove a 2 wire HART transmitter from a loop use the Trex unit to power the transmitter and then measure the analog output If you try to apply power from the Trex unit when the device is externally powered the Loop Diagnostics ap...

Page 146: ...lel with the device s communication terminals This will interfere with the current measurements Procedure 1 Connect the lead set to the HART pwr terminals on the Trex unit and to the transmitter Connection for providing power to the device Figure 4 15 2 On the Loop Diagnostics screen tap Trex Unit Power 3 Tap Power Transmitter The Trex unit uses an internal resistor while powering the device 4 Tap...

Page 147: ...d at an authorized service center Ensure the device is disconnected from the loop segment and no other wires are connected to the device before providing power from the Trex unit Procedure 1 Connect the lead set to the HART pwr terminals on the Trex unit and to the positioner Connection for powering a positioner Figure 4 16 2 On the Loop Diagnostics screen tap Trex Unit Power 3 Select one of the f...

Page 148: ...ex unit from supplying power This protects the Trex unit from damage WARNING Connecting power to the positioner may cause changes to the tuning set that cause the valve actuator assembly to stroke To avoid personal injury and property damage caused by moving parts keep hands tools and other objects away from the valve actuator assembly WARNING When power is provided to a positioner that is in serv...

Page 149: ...ring the device do one of the following 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 Remove the lead set from the Trex unit You are not prompted to select a power option to set the position of the valve 4 10 Settings for controlling current ...

Page 150: ...3 Enter a new value for the button and tap OK 4 Repeat until all buttons are set as desired 5 Tap Back to save the changes and return to the Loop Diagnostics screen 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 c...

Page 151: ...e you to enter a new current value It also applies when you tap Trex Unit Power to stop powering the positioner Note This option does not apply to the initial current value that is applied when you first power the device For example if you power a device the Loop Diagnostics application will immediately source 4 mA 20 mA or the mA value you entered The delay applies to any change to the current va...

Page 152: ...ere the device will be installed on an unpowered transmitter loop and enable Trex Unit Power to simulate a transmitter Verify the digital control system reads output current from the Trex unit Connect the Trex mA terminals at the location where a positioner will be installed Verify the ammeter reads 4 20 mA when the digital control system output module is enabled Checks after installation Use the ...

Page 153: ...easure the control system output Measure loop current to ensure a device or distributed control system is sending the correct value You can measure loop current from 0 to 25 mA on a 4 20 mA current loop Note Measurements are for reference purposes only Do not make critical process control decisions based on these measurements WARNING Do not connect the mA terminals on the Trex unit to a power supp...

Page 154: ...n 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 In this setup the digital control system is powering the current loop and the Trex unit is controlling the current that is input into the digital control system Procedure 1 Connect the lead set to the HART terminals on the Trex unit and to t...

Page 155: ...ate a transmitter on an unpowered loop for a loop check The Trex unit can provide power and control current to simulate a device for a loop check In this setup the control system is not providing power to the device This task is used if the loop will have a 4 wire transmitter The Trex unit supplies loop power from the HART pwr terminals and Loop Diagnostics lets you control the current on the loop...

Page 156: ... On the Loop Diagnostics screen tap Trex Unit Power 3 Tap Simulate Transmitter with 4 mA 4 Change the current value by pressing the quick buttons or the up and down arrow keys 5 Verify the digital control system is reading the same current value Loop Diagnostics application 148 User Guide ...

Page 157: ...pplication provides optional communications for identifying the device list You can connect the Trex unit at various points along the fieldbus segment so you can isolate the location of a problem The Fieldbus Diagnostics application can help you identify problems caused by loose wire connections water or moisture in cables or terminal housings improper grounding or issues with fieldbus segment ins...

Page 158: ...ry few months to create an overall trend report for the fieldbus segment For example you can create one set of measurements when a device is installed and another set of measurements a year later for comparison This can help you track any slow degradation of the fieldbus segment The Fieldbus Diagnostics application has a logging feature that lets you save one or more sets of measurements to a comm...

Page 159: ... BAD status labels The INACTIVE status is displayed when there is no fieldbus signal due to no device communication on the fieldbus segment Review the measurement criteria in Settings to ensure they are appropriate for your installation Fieldbus Diagnostics screen at start up Figure 5 1 Fieldbus Diagnostics application User Guide 151 ...

Page 160: ...e H View the status of the fieldbus signal measurement I Tap Go Online or Go Offline to have the Trex unit go online or offline When the Trex unit is on an externally powered fieldbus segment with fieldbus communications Go Online queries devices for their tags The option also adds the Trex unit to the device list on the Details screen so you can compare the Trex unit s known good signal to a devi...

Page 161: ...r CHECK in the Settings Tap Settings Measurement criteria You may want to increase or decrease the range of values based on where the Trex unit is connected on the fieldbus segment Status Description GOOD The measurement is within the minimum and maximum values set in the measurement criteria BAD The measurement is below the minimum value set in the measurement criteria The BAD status is used for ...

Page 162: ...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 Diagnostics application 154 User Guide ...

Page 163: ...set maximum value or lower than the set minimum value Signal low high on device address Only one fieldbus device has a signal measurement that is higher than the set maximum value or lower than the set minimum value 5 4 Wiring diagrams for the Fieldbus Diagnostics application CAUTION Remove the USB cable from the Trex unit before connecting to a device CAUTION The Trex unit draws approximately 12 ...

Page 164: ...up A FOUNDATION fieldbus Power Plug Connect to an externally powered fieldbus segment Figure 5 4 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 The drawing below is on...

Page 165: ...wered 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 Ensure the device is disconnected from the loop segment and no other wires are connected to the dev...

Page 166: ...ad set from the Trex unit 5 6 Connect to an externally powered fieldbus segment You can connect the Trex unit at various points including at the device terminals or a point along the fieldbus segment The example below is for connecting to the fieldbus segment to take measurements in the Fieldbus Diagnostics application Procedure 1 Connect the lead set to the FF terminals on the Trex unit and to th...

Page 167: ...asurements to give you a quick summary Check the measurement criteria in the Settings to ensure they are appropriate for your installation You can view the actual measurement values by tapping Details on the Fieldbus Diagnostics Overview screen Note Before taking a noise measurement remove the AC adapter from the Trex unit if it is connected This isolates the Trex unit from the local power grid Pr...

Page 168: ...nostics Set the range of values for the GOOD and BAD status 5 8 Details screen By default the Details screen displays information about the DC voltage noise and fieldbus signal measurements including The live measurement values which are continuously updated The units for each measurement The minimum maximum and average measurement value The number of devices on the fieldbus segment The addresses ...

Page 169: ...croll to the right to view additional measurement values on the side of the screen Measurements with a status of BAD are red Measurements with a status of CHECK are orange Related information Troubleshooting Fieldbus Diagnostics 5 10 View help for a measurement You can view help text that provides information about each measurement Each cell on the Details screen has help text that describes overv...

Page 170: ...tes the Trex unit from the local power grid Frequency Frequency range Typical measurement values Low frequency 870 Hz 9 KHz Less than1000 mV peak to peak In band frequency 9 KHz 39 KHz Less than 75 mV peak to peak High frequency 39 KHz 100 KHz Less than 150 mV peak to peak The gray shaded area at the top of the noise spectrum shows the values that would exceed the maximum values set in the measure...

Page 171: ...ware to the fieldbus segment The measurements on the spectrum are also color coded to indicate if the status of the measurement The colors become darker as the measurement increases Green GOOD Yellow CHECK Orange CHECK Note The spectrum measurement will fail if the noise amplitude exceeds 1 5 V peak to peak If you see multiple high amplitude noise peaks look for an unattached wire that may cause h...

Page 172: ...ely 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 Devices may also disconnect from the network if the in band noise becomes too high frequent High frequency noise seldom impacts fieldbus communications but it may cause measurement errors or the device may restart Related information Tro...

Page 173: ...Trex unit from the local power grid Note The spectrum measurement will fail if the noise amplitude exceeds 1 5 V peak to peak If you see multiple high amplitude noise peaks look for an unattached wire that may cause high noise and saturate the noise detection Procedure 1 Connect to the FOUNDATION fieldbus device or segment 2 On the Fieldbus Diagnostics Overview screen tap Spectrum A spectrum displ...

Page 174: ...m and average values for each measurement View or hide the host and device tags Set the number of measurements to average Set the minimum and maximum acceptable values for each type of measurement This defines the range of values for the measurements labeled GOOD BAD and CHECK on the Fieldbus Diagnostics Overview screen Reset all settings in the application to the default values Fieldbus Diagnosti...

Page 175: ...gs when online 3 Select one of the following options Option Description Fieldbus Host and Devices Display the tags for the host on the fieldbus segment and the devices Fieldbus Devices Only Display only the tags from the devices No Tags Display no tags 4 Tap OK 5 12 3 Set the number of measurements to average You can set the number of measurements to average for the DC voltage noise and signal lev...

Page 176: ...set the Fieldbus Diagnostics settings to the default values You can reset the settings back to the default values You need to access two screens to set all settings back to their default values Procedure 1 On the Fieldbus Diagnostics Overview screen tap Settings 2 Tap Reset to Default to reset the options on the Settings screen to the default values 3 Tap Measurement criteria on the Settings scree...

Page 177: ...ldbus segment name the name of the user taking the measurements and the location of the measurements Note As a best practice create a new log file for each fieldbus segment and connection point you are monitoring or ensure you update the segment name and measurement location fields each time you collect data Automatically generated file names You can enter a file name for the log file or have the ...

Page 178: ...nostics application detects a device was added removed or it detects a bad DC voltage the application captures an extra measurement row in the log file to show the drop in voltage The application attempts to take more data to help you troubleshoot and determine the cause of the readings Note The actual update rate may be affected by conditions on the fieldbus network For example if the fieldbus ne...

Page 179: ... you collect data Procedure 1 Connect to the FOUNDATION fieldbus device or segment 2 On the Fieldbus Diagnostics Overview screen tap Logging 3 Modify the following options as needed Option Description User Name The name of the person completing the measurements Segment Name The name of the fieldbus segment If you tap the Go Online option the Fieldbus Diagnostics application creates a unique name Y...

Page 180: ...ple if the fieldbus network has a lot of scheduled activity the rotation of the network token will be slow and the Trex unit will to wait longer to measure each device s signal Max Log Entries The maximum number of measurement sets collected in one session and saved to the log file A DC voltage a noise and signal measurement are one measurement set These entries appear as a row in the csv log file...

Page 181: ...he files are transferred to the PC the files are removed from the Trex unit Procedure 1 Close the Fieldbus Diagnostics application on the Trex unit 2 Connect the Trex unit to the PC where the Trex File Transfer Utility is installed using a USB cable 3 Open the Trex File Transfer Utility The application connects to the Trex unit The connected Trex unit is listed by its default name 4 Next to Fieldb...

Page 182: ... are appropriate for your installation Help text example Figure 5 11 DC voltage measurement Possible cause Action Lower than expected The power supply s voltage setting may be set too low Verify the power supply s voltage setting is correct If necessary increase the power supply voltage An unexpected voltage drop may be due to a damaged cable corrosion in the terminals low impedance to ground wate...

Page 183: ...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 ground Repeat these checks for all devices on the fieldbus segment The power supply is not supplying a good stable voltage Ensure the power supply is properly installed Isolate the power supply and check for noise In band frequency noise Possible caus...

Page 184: ...ng and filtering Check the grounding and filtering that are used Fieldbus signal Possible cause Action Lower than expected The Trex unit is attached far away from the FOUNDATION fieldbus device that is transmitting the signal Connect the Trex unit directly to the communication terminals on the device No other wires should be connected to the device Ensure the device is disconnected from any other ...

Page 185: ...ering a FOUNDATION fieldbus device but it is not attached directly to the device terminals Ensure the Trex unit is connected directly to a single FOUNDATION fieldbus device No other wires should be connected to the device Ensure there are no resistors in series with the device s terminals When the Trex unit powers a FOUNDATION fieldbus device non standard terminators are used to meet Intrinsic Saf...

Page 186: ...Fieldbus Diagnostics application 178 User Guide ...

Page 187: ...or signal distortion from the control system For example noise from the power supply powering the devices or front end analog circuitry inside the control system may be distorting the HART signal An oscilloscope can help determine noise or signal distortion of HART signals Poor wiring Check the wiring terminations and exposed signal wire for damage There is no communication with device Insufficien...

Page 188: ...ster and one secondary master on the control loop A HART device appears at the multiple addresses The incorrect polling addresses may be used Change the addresses being polled HART Universal Revision 5 or earlier 6 and 7 devices are on the same loop Put HART Universal Revision 5 or earlier devices on a separate loop from HART Universal Revision 6 or 7 devices When the Trex unit tries to power a de...

Page 189: ... Verify the HART loop current and voltage on the device Almost all devices need at least 4 mA and 12V DC to operate properly If there are multiple devices on a multidrop loop set 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 usua...

Page 190: ...t system The Trex unit is unable to communicate with this device until you go offline and then back online An internal fuse may be blown Connect a meter capable of measuring M ohms to the FF terminals An OPEN reading may indicate a blown fuse Unable to change the address of a device The Trex unit is unable to change the address of a device that is currently the LAS Establish communication by putti...

Page 191: ...er lists the specifications for the hardware and the AC adapter B 1 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 unit X button similar to a Back key 4 arrow buttons to navigate menus Checkmark similar to an Enter key USB Micro USB connector USB ...

Page 192: ...mmunication 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 Cu...

Page 193: ...he HART pwr terminals have two ammeters one for connections to transmitters and one for connections to positioners Accuracy 25 of the reading Internal fuse rating 50 mA Range Up to 24 mA Ammeter resolution when powering a transmitter 0 01 mA Ammeter resolution when powering a positioner 0 1 mA Current control Range 3 22 5 mA Accuracy 0 25 of span 4 20 mA Resolution 0 04 mA Drive capability 650 ohm...

Page 194: ...Power conditioner Included Terminator Two included B 3 Processor memory operating system specifications Specification Value Microprocessor 800 MHz ARM Cortex A8 NXP Memory 512 MB DDR3 SDRAM 2 GB NAND Flash 32 GB Extended Flash Operating system Windows Embedded Compact 2013 B 4 Environmental specifications Specification Value Temperature limits 20 C to 55 C 4 F to 131 F 0 to 95 RH non condensing fo...

Page 195: ...1 89 V 1 89 V Io 32 µA 32 µA 32 µA Po 61 µW 61 µW 61 µW Co 14 3 µF 14 3 µF 14 3 µF Lo 100 mH 100 mH 100 mH Table 2 Device Communicator Plus communication module mA interface FOUNDATION fieldbus HART FOUNDATION fieldbus non FISCO FISCO mA FF pwr and F FF and HART pwr HART and FF pwr and F FF and Ui 30 Vdc 17 5 Vdc 30 Vdc 30 Vdc 30 Vdc 17 5 Vdc 30 Vdc Ii 200 mA 380 mA 380 mA 200 mA 200 mA 380 mA 215...

Page 196: ...e 3 Co and Lo values for FF pwr and F Co nf 19 69 115 Lo µH 100 50 30 Table 4 Co and Lo values for HART pwr Co nf 57 64 75 102 Lo µH 1000 750 500 100 B 6 Power module specifications Specification Value Charge time 3 to 4 hours LEDs 6 LEDs Five LEDs for indicating the progress of charging One LED to indicate the AC adapter is charging the power module Operating time More than 8 hours of typical use...

Page 197: ...type auto recovery Over voltage protection 110 140 voltage limiting recycle input to recover Operating temperature range 0 C to 50 C Operating humidity 8 90 RH non condensing Operating altitude Maximum of 2000 meters Storage temperature range 20 C to 70 C Storage humidity 5 95 RH non condensing Cooling Free air convection Dimensions 119 x 54x 36mm Weight 0 33 kg Withstand voltage I P O P FG 3kVAC ...

Page 198: ...Technical specifications 190 User Guide ...

Page 199: ...the ATEX Directive Applicable standards are EN 60079 0 2012 A11 2013 and EN 60079 11 2012 Certification No SIRA 16ATEX2171 II 2 G 1GD Ex ia ia Ga ia Da IIIC IIC T4 Gb Ta 20 C Ta 50 C 0158 Electro Magnetic Compatibility EMC 2014 30 EU Tested to the EN 61326 1 2013 07 and ETSI EN 301489 17 2012 09 specification Low Voltage 2014 35 EU Tested to the IEC 61010 1 2010 specification RED 2014 53 EU This e...

Page 200: ...12 2011 This equipment complies with the EAC Directive 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 TP TC 020 2011 Tested to the EN 61326 1 2013 07 and ETSI EN 301489 17 2012 09 specification Low Voltage TP TC 004 2011 Tested to the IEC 61010 1 2010 specification Product certifi...

Page 201: ...or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help NOTICE This device complies with Part 15 of the FCC Rules and with Industry Canada licence exempt RSS standard s Operation is subject to...

Page 202: ...pment Name Model Name 특정소출력무선기기 무선데이터통신 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 Wireless Spectrum approvals 194 User Guide ...

Page 203: ...RT and FOUNDATION fieldbus devices Device Communicator Plus communication module A communication module you can attach to the Trex unit This module has terminals that enable the Trex unit to communicate with HART and FOUNDATION fieldbus devices power a HART or FOUNDATION fieldbus device and measure current on a 4 20 mA current loop Device description DD A set of instructions written in the HART or...

Page 204: ...to satisfy Intrinsic Safety requirements Lead set A cable with two banana plugs to connect the Trex unit to a device Link Active Scheduler LAS 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 d...

Page 205: ...n the Trex unit is in this mode Slot time 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...

Page 206: ...Glossary 198 User Guide ...

Page 207: ...bar 57 approvals 191 approved manufacturing location 191 ATEX 191 Auto mode fieldbus block 105 auto connect to HART device enable or disable 35 overview 48 auto detect a device overview 47 averages set in Fieldbus Diagnostics 167 B backlight change 27 timer 33 34 backlight timer overview 33 set 34 bar charts horizontal 117 vertical 118 basic device set fieldbus device 112 Basic Setup 83 84 block i...

Page 208: ...r fieldbus device 109 device blocks 104 Device Communicator communication module install 13 overview 10 remove 14 specifications 184 Device Communicator Plus communication module ammeter 12 install 13 measure current 145 overview 10 power a FOUNDATION fieldbus device 101 157 power a HART device 78 136 137 139 remove 14 required for application 123 specifications 184 device configuration 89 device ...

Page 209: ...0 overview 149 150 Overview screen 150 power a FOUNDATION fieldbus device 150 157 save measurements 168 169 171 172 settings 150 signal measurement 150 troubleshoot 174 Fieldbus Diagnostics log file transfer to a PC 173 fieldbus methods run 108 fieldbus polling 112 fieldbus terminals 96 forward compatibility rules 47 FOUNDATION fieldbus device connect 103 power 101 157 wiring diagrams 98 FOUNDATIO...

Page 210: ...nk active scheduler 100 link master device set fieldbus device 112 log file overview 169 170 save measurements to existing 172 transfer to a PC 43 173 long tag 86 loop check measure current 145 measure voltage 145 overview 143 144 simulate a device 146 147 Loop Diagnostics home screen 124 measured current 124 measured voltage 124 open or close 124 overview 123 safely close valve 123 sourced curren...

Page 211: ...meter change 84 85 109 mark 86 90 pc applications supported 40 pencil icon on device menu 61 polling options FOUNDATION fieldbus devices 100 112 HART devices 48 94 positioner connect 81 power 78 127 129 139 wiring diagrams 64 130 power button 5 22 power management backlight timer 34 enter or leave suspend 33 overview 33 shut down timer 34 suspend timer 34 power module charge 18 icon 25 install 18 ...

Page 212: ... 189 Device Communicator communication module 184 Device Communicator Plus communication module 184 IS electrical parameters 187 memory 186 physical 183 power module 188 processor 186 storage 186 usage 186 stand replace 44 standby enter or leave 33 set timer 34 status bar HART icons 82 overview 25 view shortcut bar 26 storage specifications 186 strip chart 116 stroke valve 140 suspend enter or lea...

Page 213: ...ount create 41 user configuration 89 V valve stroke 140 ValveLink Mobile overview 23 transfer files to a PC 43 version number application 2 31 operating system 2 30 vertical bar charts 118 view spectrum 165 voltage measure 4 20 mA current loop 145 measure fieldbus segment 149 150 measurement specification 184 W weight 183 Wi Fi see Wireless 26 wireless add IP address 29 add network 29 connect to n...

Page 214: ...trued as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available on request We reserve the right to modify or improve the designs or specifications of our products at any time without notice All rights reserved The Emerson logo is a trademark and service mark...

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