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3.5.1

Thermocouple, mV, and RTD/Ohm inputs

Each process installation has different requirements for grounding. Use the grounding
options recommended by the facility for the specific sensor type, or begin with grounding
Option 1 (the most common).

Option 1

Procedure

1. Connect sensor wiring shield to the transmitter housing (only if the housing is

grounded)

2. Ensure the transmitter housing is electrically isolated from the sensor wiring.

A

B

C

A. Sensor wires

B. Transmitter

C. Shield ground point

Option 2

Procedure

1. Ground sensor wiring shield at the sensor.
2. Ensure the sensor wiring and shield is electrically isolated from the transmitter

housing.

Reference Manual

Installation

00809-0200-4648

May 2020

Rosemount 648 Wireless

41

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Summary of Contents for Rosemount 648

Page 1: ...Reference Manual 00809 0200 4648 Rev CA May 2020 Rosemount 648 Wireless Temperature Transmitter with Rosemount X well Technology ...

Page 2: ...ated in transportation by the U S Department of Transportation and are also covered by IATA International Air Transport Association ICAO International Civil Aviation Organization and ARD European Ground Transportation of Dangerous Goods It is the responsibility of the shipper to ensure compliance with these or any other local requirements Consult current regulations and requirements before shippin...

Page 3: ...f the FCC Rules Operation is subject to the following conditions This device may not cause harmful interference This device must accept any interference received including interference that may cause undesired operation This device must be installed to ensure a minimum antenna separation distance of 8 in 20 cm from all persons The power module may be replaced in a hazardous area The power module h...

Page 4: ...4 ...

Page 5: ...siderations 34 3 4 Physical installation 36 3 5 Ground the transmitter 40 3 6 Fast Key sequence 42 Chapter 4 Commissioning 43 4 1 Overview 43 4 2 Safety messages 43 4 3 Verify operation 45 Chapter 5 Operation and maintenance 49 5 1 LCD display screen messages 49 5 2 Power module replacement 57 Chapter 6 Troubleshooting 59 6 1 Overview 59 Appendix A Reference data 67 A 1 Ordering information specif...

Page 6: ...B 2 Mapping of device variable index numbers 71 Contents Reference Manual May 2020 00809 0200 4648 6 Rosemount 648 Wireless ...

Page 7: ...erly commissioning the device Operation and maintenance contains operation and maintenance techniques Reference data contains troubleshooting tips as well as information to contact technical support over the phone or through email Reference data supplies procedure on how to get the specifications ordering information and product certification Mapping for Non DD Based Integration with Host Systems ...

Page 8: ...Introduction Reference Manual May 2020 00809 0200 4648 8 Rosemount 648 Wireless ...

Page 9: ...Follow instructions Failure to follow these installation guidelines could result in death or serious injury Ensure only qualified personnel perform the installation Explosions Explosions could result in death or serious injury Installation of this transmitter in an explosive environment must be in accordance with the appropriate local national and international standards codes and practices Review...

Page 10: ... hazardous area The power module has surface resistivity greater than one gigaohm and must be properly installed in the wireless device enclosure Care must be taken during transportation to and from the point of installation to prevent electrostatic charge build up Physical access Unauthorized personnel may potentially cause significant damage to and or misconfiguration of end users equipment This...

Page 11: ... resistance effect RTD input Since the lead wires are part of the RTD circuit the lead wire resistance needs to be compensated for to achieve the best accuracy This becomes especially critical in applications where long sensor and or lead wires are used There are three lead wire configurations commonly available A 4 wire design is ideal because the lead wire resistance is inconsequential to the me...

Page 12: ...maximum resistance differences between any of two leads Figure 2 1 Sensor Wiring Thermocouple mV 4 Wire RTD and Ω 3 Wire RTD and Ω 2 Wire RTD and Ω Figure 2 2 Sensor Connections 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 2 wire RTD and Ω 3 wire RTD and Ω 4 wire RTD and Ω T C and mV Note Emerson provides 4 wire sensors for all single element RTDs Use these RTDs in 3 wire configurations by leaving the unneeded...

Page 13: ...White 1 White 2 Red 3 Red 4 Figure 2 4 Rosemount 65 78 High Temp 68 RTD Single Element White 1 White 2 Red 3 Red 4 Figure 2 5 Rosemount 183 Thermocouple Type J Type E White 2 Red 3 Purple 2 Red 3 Type K Type T Yellow 2 Red 3 Blue 2 Red 3 Reference Manual Configuration 00809 0200 4648 May 2020 Rosemount 648 Wireless 13 ...

Page 14: ...d transmitter terminals could carry lethal voltages Use extreme caution when making contact with the leads and terminals Use the following steps to wire the sensor and supply power to the transmitter 1 Remove the transmitter enclosure cover if applicable 2 Attach the sensor leads according to the wiring diagrams 3 Connect the power module 4 Verify the connection by observing the LCD display if app...

Page 15: ...e Figure 2 7 Figure 2 7 Connection Diagram for Rosemount 648 Wireless and Field Communicator COMM P N 00753 9200 0020 1 2 3 4 2 4 1 Field Communicator When performing device configuration directly connect the bench equipment as shown in Figure 2 7 above and turn on the field communicator by pressing the ON OFF key When using a Field Communicator any configuration changes must be sent to the transm...

Page 16: ...he following device parameters HART Tag Short Tag Descriptor Engineering Units Update Rate and Range Values 2 4 4 Default settings The Rosemount 648 Wireless default configuration is shown below Sensor type Pt 100 α 0 00386 Engineering units C Number of lead wires 4 Network ID Factory generated network parameters Join Key Factory generated network parameters Update rate 1 minute Note The C1 option...

Page 17: ...nicator a Rosemount 648 Wireless Device Dashboard DD is required Rosemount 648 Wireless Transmitters with Rosemount X well Technology requires DD revision 648 Dev 4 Rev 1 or higher to view Rosemount X well functionality To obtain the latest DD visit the Emerson com Field Communicator Figure 2 8 Overview Reference Manual Configuration 00809 0200 4648 May 2020 Rosemount 648 Wireless 17 ...

Page 18: ...Figure 2 9 Configure Configuration Reference Manual May 2020 00809 0200 4648 18 Rosemount 648 Wireless ...

Page 19: ...Figure 2 10 Service Tools Reference Manual Configuration 00809 0200 4648 May 2020 Rosemount 648 Wireless 19 ...

Page 20: ...adcast Info Sensor Configuration 2 2 2 5 Type Connection Units Serial Number Transmitter Sensor Matching RMT X well Setup Sensor Calibration 3 5 2 Sensor Value Sensor Status Current Lower Trim Current Upper Trim RTD 2 Wire Offset Lower Sensor Trim Upper Sensor Trim Device variable trim reset 2 7 Basic setup 2 7 1 Configure sensor type Fast Keys 2 1 1 Every temperature sensor has unique characteris...

Page 21: ...Device Manager to communicate with the transmitter enter the Network ID and Join Key so they match the Network ID and Join Key of the Wireless Gateway and the other devices in the network Note If the Network ID and Join Key are not identical to those set in the Gateway the transmitter will not communicate with the network The Network ID and Join Key may be obtained from the Wireless Gateway on the...

Page 22: ...1 From the Home screen select 2 Configure 2 Select 1 Guided Setup 3 Select 3 Configure Update Rate 4 When the device configuration is completed remove the power module and replace the module cover Postrequisites NOTICE The power module should be inserted only when the device is ready to be commissioned Use caution when handling the power module Figure 2 12 Terminal Block Connect the HART Communica...

Page 23: ...of the input signal Transmitter sensor matching Generates a special custom curve to match that specific sensor curve as derived from the Callendar Van Dusen constants 2 8 1 Sensor input trim Fast Key sequence 3 5 2 Perform a sensor trim if the transmitters digital value for the primary variable does not match the plant s standard calibration equipment The sensor trim function calibrates the sensor...

Page 24: ...o stabilize Use a bath furnace or isothermal block measured with a site standard thermometer as the known temperature source 7 Select OK once the temperature stabilizes The communicator displays the output value the transmitter associates with the input value provided by the calibration device 8 Select the appropriate sensor trim units at the prompt 9 Enter the trim point 2 8 2 Transmitter sensor ...

Page 25: ... β 0 01t 1 0 01t 3 The following input variables included with specially ordered Rosemount temperature sensors are required Ro Resistance at Ice Point Alpha Sensor Specific Constant Beta Sensor Specific Constant Delta Sensor Specific Constant To input Callendar Van Dusen constants perform the following procedure Procedure 1 From the Home screen select 2 Configure 1 Guided Setup 1 Configure Sensor ...

Page 26: ...ress Enter Select the appropriate sensor type from the Select Sensor type prompt Note When the transmitter sensor matching is disabled the transmitter reverts to factory trim Ensure the transmitter engineering units default correctly before placing the transmitter into service Configuration Reference Manual May 2020 00809 0200 4648 26 Rosemount 648 Wireless ...

Page 27: ...able the LCD display on the transmitter Procedure 1 From the Home screen select 2 Configure 2 Select 1 Guided Setup 3 Select 6 Configure Device Display 4 Select the Periodic option 5 Select desired display options and select Enter Configuring LCD display with AMS Device Manager Procedure 1 Right click on the device and select Configure 2 Under Optional Setup select Configure Device Display button ...

Page 28: ...operties that Rosemount 648 Wireless and 0085 Pipe Clamp Sensor with Rosemount X well technology is going to be installed in This information is required for the in transmitter algorithm to accurately calculate process temperature In the rare case that the process pipe is not available a custom value for the pipe conduction coefficient can be entered This field becomes available when the Rosemount...

Page 29: ...p Sensor Screen for the Rosemount 648 Wireless with Rosemount X well Technology View Rosemount X well measurement details To view live data and trending for measured ambient temperature measured surface temperature and calculated process temperature perform the following procedure Procedure 1 Right click on the device and select Configure 2 In the menu tree select Manual Setup 3 Select the Sensor ...

Page 30: ... ON An alert will be displayed on a Field Communicator AMS Device Manager status screen or in the error section of the LCD display The alert will reset once the value returns within range Note HI alert value must be higher than the LO alert value Both alert values must be within the temperature sensor limits Figure 2 17 Example 1 Rising Alert Deadband Assigned Value Alert Set Point Alert OFF Alert...

Page 31: ...nd press Enter 3 If the alarm is disabled select 1 Enable and press Enter If the alarm was previously enabled select 2 Leave Enabled and press Enter 4 Enter the alarm limit and press Enter 5 Enter the alarm deadband and press Enter 2 10 Remove power module After the sensor and network have been configured remove the Power Module and replace the transmitter cover The Power Module should be inserted...

Page 32: ...Configuration Reference Manual May 2020 00809 0200 4648 32 Rosemount 648 Wireless ...

Page 33: ...personnel perform the installation Explosions Explosions could result in death or serious injury Installation of this transmitter in an explosive environment must be in accordance with the appropriate local national and international standards codes and practices Review the approvals section of this manual for any restrictions associated with a safe installation Before connecting a communicator in...

Page 34: ...curity is an important part of any security program and fundamental to protecting your system Restrict physical access by unauthorized personnel to protect end users assets This is true for all systems used within the facility 3 3 Wireless considerations 3 3 1 Power up sequence The Rosemount 648 Wireless and all other wireless devices should be installed only after the Wireless Gateway Gateway has...

Page 35: ...mmunicator to interface with the Rosemount 648 Wireless For HART Wireless Transmitter communication via a Field Communicator a Rosemount 648 Wireless Device Dashboard DD is required Rosemount 648 Wireless Transmitters equipped with Rosemount X well Technology requires DD revision 648 Dev 4 Rev 1 or higher to view Rosemount X well functionality To obtain the latest DD visit the Field Communicator S...

Page 36: ...ion 3 4 2 Direct mount The direct mount installation should not be used when installing with a Swagelok fitting Procedure 1 Install sensor according to standard installation practices using approved thread sealant on all connections 2 Attach transmitter housing to the sensor using the threaded conduit entry 3 Attach sensor wiring to the terminals as indicated on the wiring diagram 4 Connect Black ...

Page 37: ...or buildings to allow clear communication to other devices Figure 3 5 Possible Antenna Rotation 3 4 3 Remote mount Procedure 1 Install sensor according to standard installation practices using an approved thread sealant on all connections 2 Run wiring and conduit if necessary from the sensor to the transmitter 3 Pull wiring through the threaded conduit entry of the transmitter 4 Attach sensor wiri...

Page 38: ...r and tighten to safety specification Always ensure a proper seal by installing the electronics housing covers so metal touches metal but do not over tighten 7 Position antenna vertically either straight up or straight down The antenna should be approximately 3 ft 1 m from any large structures or buildings to allow clear communication to other devices Figure 3 7 Possible Antenna Rotation Installat...

Page 39: ...Transmitter head shall be placed away from dynamic external temperature sources such as a boiler 3 Insulation in thick minimum is required over the sensor clamp assembly and sensor extension up to transmitter head to prevent heat loss Apply a minimum of six inches of insulation on each side of the pipe clamp sensor Care should be taken to minimize air gaps between insulation and pipe See Figure 3 ...

Page 40: ...D display temperature limits Operating 4 to 175 F 20 to 80 C Storage 40 to 185 F 40 to 85 C Note Only use Rosemount Wireless LCD Display part number 00753 9004 0002 Figure 3 9 Optional LCD Display A B C A LCD display pins B LCD display display C LCD display cover 3 5 Ground the transmitter The transmitter will operate with the housing either floating or grounded However the extra noise in floating...

Page 41: ... Connect sensor wiring shield to the transmitter housing only if the housing is grounded 2 Ensure the transmitter housing is electrically isolated from the sensor wiring A B C A Sensor wires B Transmitter C Shield ground point Option 2 Procedure 1 Ground sensor wiring shield at the sensor 2 Ensure the sensor wiring and shield is electrically isolated from the transmitter housing Reference Manual I...

Page 42: ...fig Advance Broadcasting Calibrate Sensor Manual Setup 2 2 Wireless Sensor Display HART Device Temperature Terminal Temp Device Information Power Security Wireless Configuration 2 2 1 Network ID Join to Network Broadcast Info Sensor Configuration 2 2 2 5 Type Connection Units Serial Number Transmitter Sensor Matching RMT X well Setup Sensor Calibration 3 5 2 Sensor Value Sensor Status Current Lowe...

Page 43: ... the installation Explosions Explosions could result in death or serious injury Installation of this transmitter in an explosive environment must be in accordance with the appropriate local national and international standards codes and practices Review the approvals section of this manual for any restrictions associated with a safe installation Before connecting a communicator in an explosive atm...

Page 44: ...be properly installed in the wireless device enclosure Care must be taken during transportation to and from the point of installation to prevent electrostatic charge build up Physical access Unauthorized personnel may potentially cause significant damage to and or misconfiguration of end users equipment This could be intentional or unintentional and needs to be protected against Physical security ...

Page 45: ...ireless Communicator or AMS Device Manager 4 3 1 LCD display During normal operation the LCD display will display the PV value at the wireless transmit rate up to as fast as one minute intervals Refer to LCD display screen messages for error codes and other LCD display messages Press the Diagnostic button to display the TAG Device ID Network ID Network Join Status and Device Status screens For Dev...

Page 46: ... sufficient time for network polling has passed the transmitter will be connected to the network To verify device operation and connectivity using the Wireless Gateway s web based user interface navigate to the Devices page This page will also display the transmitter s tag PV SV TV QV and Last Update time Refer to Emerson Wireless Gateway Manual Supplement for terms user fields and parameters used...

Page 47: ... Rosemount 648 Wireless Transmitters equipped with Rosemount X well technology requires DD revision 648 Dev 4 Rev 1 or higher to view Rosemount X well functionality To obtain the latest DD visit the Emerson com Field Communicator Figure 4 4 AMS Wireless Configurator Explorer Window Reference Manual Commissioning 00809 0200 4648 May 2020 Rosemount 648 Wireless 47 ...

Page 48: ...Commissioning Reference Manual May 2020 00809 0200 4648 48 Rosemount 648 Wireless ...

Page 49: ...to visually determine if there are any bad segments on the LCD display 6 4 8 W I r e l s Device Identification used to determine Device Type A b c d e f g h Device Information Tag user entered tag which is eight characters long will not display if all characters are blank s n s r 1 0 0 2 d e g c PV Screen process temperature ohms or mV value depending on how the device is configured Reference Manu...

Page 50: ...mperature value S u p l y 7 2 1 v o l t s QV Screen voltage reading at the power module terminals a l e r t p r e s n t Alert Screen at least one alert is present this screen will not display if no alerts are present Operation and maintenance Reference Manual May 2020 00809 0200 4648 50 Rosemount 648 Wireless ...

Page 51: ... Identification used to determine Device ID n e t w k O K Diagnostic Button Screen 3 assuming the device has the correct join key this ID tells the user what network the device can connect with n e t w k O K Diagnostic Button Screen 4 11 the device has joined a network and has been fully configured and has multiple parents S u p l y 7 2 1 v o l t s Diagnostic Button Screen 5 voltage reading at the...

Page 52: ...c t i v e Diagnostic Button Screen 4 2 the device has received the ACTIVATE command from the Smart Wireless Gateway but is in the process of being configured to the wireless network n e t w k N E G O T Diagnostic Button Screen 4 3 the device has sent JOIN request and is waiting for the ACTIVATE command N E T w K S R C H N G Diagnostic Button Screen 4 4 the device is in active search n e t w k p s ...

Page 53: ...k n e t w k r e s e t Diagnostic Button Screen 4 8 the device will reset n e t w k b c k o f f Diagnostic Button Screen 4 9 the device couldn t join because of dropped packets and will reset n e t w k L I M O P Diagnostic Button Screen 4 10 the device has joined a network and has been fully configured but has only one parent device Reference Manual Operation and maintenance 00809 0200 4648 May 202...

Page 54: ...ditional status screens for more information s n s r 1 0 0 2 d e g c PV Screen process temperature ohms or mV value depending on how the device is configured T E R M 2 5 0 0 d e g c SV Screen terminal temperature value D E V 2 5 2 5 d e g c TV Screen feature board temperature value S u p l y 7 2 1 v o l t s QV Screen voltage reading at the power module terminals Operation and maintenance Reference...

Page 55: ...less Gateway may use this to help identify devices if no unique user tag is available s u p l y f a i l u r Diagnostic Button Screen 7 1 the terminal voltage has dropped below level of operating limit Replace the Power Module Part Number 00753 9220 0001 s u p l y l o w Diagnostic Button Screen 7 2 the terminal voltage is below the recommended operating range if this is a self powered device the po...

Page 56: ...figuration status to identify which configuration item s need to be corrected s n s r f a i l u r Diagnostic Button Screen 10 1 a sensor attached to the transmitter has failed and valid readings from that sensor are no longer possible check the sensor and sensor wiring connections check additional status for more detailed information of the failure source s n s r w a r n Diagnostic Button Screen 1...

Page 57: ...tored in a clean and dry area For maximum Black Power Module life storage temperature should not exceed 86 F 30 C Note Continuous exposure to ambient temperature limits of 40 F or 185 F 40 C or 85 C may reduce specified life by less than 20 percent Use caution when handling the Black Power Module it may be damaged if dropped from heights in excess of 20 ft Battery hazards remain when cells are dis...

Page 58: ...Operation and maintenance Reference Manual May 2020 00809 0200 4648 58 Rosemount 648 Wireless ...

Page 59: ...eset the device 2 Reconfirm all configuration items in the device 3 If the condition persists replace the electronics Terminal block failure Description A critical failure has occurred in the transmitter s terminal block Recommended actions 1 Reset the device 2 Replace the terminal block Sensor failure Description The device has detected an open short or too much resistance for this sensor Recomme...

Page 60: ... the device measurement reading Recommended actions 1 Reset the device 2 Reconfirm all configuration items in the device 3 If the condition persists replace the electronics Sensor has exceeded limits Description The sensor has exceeded the maximum measurement range Recommended actions 1 Check process for possible saturation condition 2 Verify the appropriate sensor was chosen for the application 3...

Page 61: ... 4 If the condition persists replace the electronics Supply voltage low Description The supply voltage is low and may soon affect broadcast updates Recommended actions Replace the power module Database memory warning Description The device has failed to write to the database memory Any data written during this time may have been lost Recommended actions 1 Reset the device 2 Reconfirm all configura...

Page 62: ...ined limit Recommended actions 1 Verify the process variable is within user specified limits 2 Reconfirm the user defined alarm limit 3 If not needed disable this alert Lo alarm Description The primary variable has surpassed the user defined limit Recommended actions 1 Verify the process variable is within user specified limits 2 Reconfirm the user defined alarm limit 3 If not needed disable this ...

Page 63: ...device 6 1 2 Transmitter output High output temperature detected Potential cause Sensor input failure or connection Recommended actions 1 Connect a Field Communicator and enter the transmitter test mode to isolate a sensor failure 2 Check for a sensor open or short circuit 3 Check the process variable to see if it is out of range Potential cause Electronics module Recommended actions 1 Connect a F...

Page 64: ...ential cause Sensor element Recommended actions 1 Connect a Field Communicator and enter the transmitter test mode to isolate a sensor failure 2 Check the process variable to see if it is out of range 6 1 3 LCD display LCD display not operating Potential cause Electronic module Recommended actions Ensure the LCD display in enabled Potential cause Connector Recommended actions Ensure the LCD displa...

Page 65: ... Join on Powerup or Reset Short battery life Recommended actions 1 Check that Power Always On mode is off 2 Verify device is not installed in extreme temperatures 3 Verify device is not a network pinch point 4 Check for excessive network rejoins due to poor connectivity Limited bandwidth error Recommended actions 1 Reduce the update rate on transmitter 2 Increase communication paths by adding more...

Page 66: ...Troubleshooting Reference Manual May 2020 00809 0200 4648 66 Rosemount 648 Wireless ...

Page 67: ...elect the appropriate Product Data Sheet 5 For ordering information specifications and dimensional drawings click Data Sheets Bulletins 6 Select the appropriate Product Data Sheet A 2 Product certifications To view current Rosemount 648 Wireless Temperature Transmitter product certifications follow these steps Procedure 1 Go to Emerson com Rosemount Rosemount 648 2 Scroll as needed to the green me...

Page 68: ...Reference data Reference Manual May 2020 00809 0200 4648 68 Rosemount 648 Wireless ...

Page 69: ...vice Tools Active Alerts Table B 1 Failure Alerts F Message Additional status 1 Description Electronics Failure Byte 0 Bit 0 Byte 0 Bit 1 Byte 0 Bit 3 Byte 0 Bit 6 Byte 0 Bit 7 Byte 8 Bit 1 Byte 8 Bit 2 Byte 8 Bit 6 An electronics error that could impact the device measurement reading has occurred Terminal Block Failure Byte 3 Bit 2 Byte 3 Bit 3 Byte 3 Bit 6 A critical failure has occurred in the ...

Page 70: ...0 Bit 2 The device has failed to write to the database memory Any data written during this time may have been lost Invalid Configuration Byte 2 Bit 6 The device has detected a configuration error based on a change to the device HI HI Alarm Byte 5 Bit 4 The primary variable has surpassed the user defined limit HI Alarm Byte 5 Bit 5 The primary variable has surpassed the user defined limit LO Alarm ...

Page 71: ...the device variable and variable mapping indexes for the Rosemount 648 Wireless Table B 3 Device Variable Index Device variable index Description 0 Supply Voltage 1 Electronics Temperature 2 Process Temperature 3 Terminal Temperature for CJC 244 Percent of Range Table B 4 Variable Mapping Process variable Mapped variable index PV 2 Process Temperature SV 3 Terminal Temperature TV 1 Electronics Tem...

Page 72: ...witzerland 41 0 41 768 6111 41 0 41 768 6300 RFQ RMD RCC Emerson com Asia Pacific Regional Office Emerson Automation Solutions 1 Pandan Crescent Singapore 128461 65 6777 8211 65 6777 0947 Enquiries AP Emerson com Middle East and Africa Regional Office Emerson Automation Solutions Emerson FZE P O Box 17033 Jebel Ali Free Zone South 2 Dubai United Arab Emirates 971 4 8118100 971 4 8865465 RFQ RMTMEA...

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