Emerson Rosemount 644 HART Reference Manual
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Emerson Rosemount 644 HART Reference Manual

Emerson Rosemount 644 HART Reference Manual

Temperature transmitter, for product shipped before september 2012
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Reference Manual
00809-0100-4728, Rev MB
July 2016
™
Rosemount
644 Temperature Transmitter
®
with HART
Protocol
For product shipped before September 2012

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Summary of Contents for Emerson Rosemount 644 HART

  • Page 1 Reference Manual 00809-0100-4728, Rev MB July 2016 ™ Rosemount 644 Temperature Transmitter ® with HART Protocol For product shipped before September 2012...

  • Page 3: Table Of Contents

    Reference Manual Contents 00809-0100-4728, Rev MB July 2016 1Section 1: Introduction Manual overview ..............1 Transmitter overview .
  • Page 4 Contents Reference Manual 00809-0100-4728, Rev MB July 2016 2.7.4 Sensor Drift Alert configuration..........23 Configure device outputs.
  • Page 5 Reference Manual Contents 00809-0100-4728, Rev MB July 2016 4Section 4: Electrical Installation Overview ............... . 53 Safety messages.
  • Page 6 Contents Reference Manual 00809-0100-4728, Rev MB July 2016 7Section 7: Safety Instrumented Systems (SIS) Certification Safety Instrumented Systems (SIS) certification ........77 Rosemount 644 safety certified identification .
  • Page 7 Considerations ............. 96 Specifications and Reference Data for Rosemount 644 HART Head Mount ....97 A.6.1...
  • Page 8 Contents Reference Manual 00809-0100-4728, Rev MB July 2016 D.4.2 Canceling ..............124 LOI menu tree .
  • Page 9 Reference Manual Title Page 00809-0100-4728, Rev MB July 2016 ™ Rosemount 644 Temperature Transmitter Rosemount 644 Hardware Revision 30 Device Revision ® HART Revision Read this manual before working with the product. For personal and system safety, and for optimum product performance, make sure to thoroughly understand the contents before installing, using, or maintaining this product.
  • Page 10 The products described in this document are NOT designed for nuclear-qualified applications. Using non-nuclear qualified products in applications that require nuclear-qualified hardware or products may cause inaccurate readings. ™ For information on Rosemount nuclear-qualified products, contact an Emerson Process Management Sales Representative. Title Page...

  • Page 11: Manual Overview

    Head Mount and 644 Rail Mount Transmitters with the HART protocol. Section 2: Configuration This section provides instruction on the commissioning and operating of the Rosemount 644 HART Transmitter. The information explains how to configure software functions and many configuration parameters on an Asset Management System, a Field Communicator, and the Local Operator Interface display option.

  • Page 12: Transmitter Overview

    Completely encapsulated electronics to ensure long term transmitter reliability  Refer to the following literature for a full range of compatible connection heads, sensors, and ™ thermowells provided by Emerson Process Management. Temperature Sensors and Assemblies Product Data Sheet, Volume 1 (document number ...

  • Page 13: Mechanical

    Reference Manual Introduction 00809-0100-4728, Rev MB July 2016 Make sure the instruments in the loop are installed in accordance with intrinsically safe, or non-incendive field wiring practices. 1.3.3 Mechanical Location When choosing an installation location and position, take into account the need for access to the transmitter.

  • Page 14: Return Of Materials

    Return of materials ™ To expedite the return process in North America, call the Emerson Process Management National Response Center toll-free at 800-654-7768. This center, available 24 hours a day, will assist you with any needed information or materials.

  • Page 15: Transmitter Security

    Reference Manual Introduction 00809-0100-4728, Rev MB July 2016 Note If a hazardous substance is identified, a Material Safety Data Sheet (MSDS), required by law to be available to people exposed to specific hazardous substances, must be included with the returned materials.
  • Page 16 Reference Manual Introduction 00809-0100-4728, Rev MB July 2016 Introduction...

  • Page 17: Overview

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Section 2 Configuration Overview ................page 7 Safety messages .

  • Page 18: System Readiness

    Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 Failure to follow these installation guidelines could result in death or serious injury. Make sure only qualified personnel perform the installation.  Explosions could result in death or serious injury. Do not remove the connection head cover in explosive atmospheres when the circuit is live. ...

  • Page 19: Confirm Correct Device Driver

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 2.3.1 Confirm correct device driver Verify the latest Device Driver files are loaded on your systems to ensure proper communications.  Download the latest Device Driver at www.EmersonProcess.com or www.HartComm.org  Table 2-1. Rosemount 644 Device Revisions and Files Software Find device driver Review...

  • Page 20: Configuring On The Bench

    Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 2.4.1 Configuring on the bench To configure on the bench, required equipment includes a power supply, a digital multimeter (DMM), and a Field Communicator, AMS Device Manager, or a Local Operator Interface (LOI – Option M4). Connect the equipment as shown in Figure 2-1.
  • Page 21 Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Turn on the Field Communicator by pressing the ON/OFF key. The Field Communicator will search for a HART-compatible device and indicate when the connection is made. If the Field Communicator fails to connect, it indicates that no device was found.

  • Page 22: Setting The Loop To Manual

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Figure 2-3. LOI Configuration Buttons A. Configuration buttons Table 2-2. LOI Button Operation Button Left SCROLL Right ENTER Local Operator Interface password A Local Operator Interface Password can be entered and enabled to prevent review and modification of device configuration via the LOI.

  • Page 23: Hart Software Lock

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 by the factory or using the Field Communicator.The values to which the transmitter drives its output in failure mode depend on whether it is configured to standard, NAMUR-compliant, or custom operation. “Hardware and Software Failure Mode” on page 108 for standard and NAMUR-compliant operation parameters.

  • Page 24: Using Ams Device Manager

    Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 Figure 2-4. Rosemount 644 Device Dashboard Fast Key Sequences Fast Key Sequence Function HART 5 HART 7 Alarm Values 2, 2, 5, 6 2, 2, 5, 6 Damping Values 2, 2, 1, 5 2, 2, 1, 6 Lower Range Value (LRV) 2, 2, 5, 5, 3...

  • Page 25: Basic Configuration Of The Transmitter

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Using a Field Communicator From the HOME screen, enter the Fast Key sequence 3, 2, 1 Device Dashboard Fast Keys Using AMS Device Manager Right click on the device and select Service Tools from the menu. The Variables tab displays the following process variables: Primary, Second, Third and Fourth variables, as well as the Analog Output ...

  • Page 26: Configuring The Sensor(S)

    Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 The Rosemount 644 dual-sensor option configuration screens allow selection of the primary variable (PV), secondary variable (SV), tertiary variable (TV), and quaternary variable (QV). Variable choices are: Sensor 1  Sensor 2 ...
  • Page 27 EXIT MENU EXIT MENU * Available only if option code (S) is ordered. Contact a Emerson Process Management representative for information on the temperature sensors, thermowells, and accessory mounting hardware that is available through Emerson Process Management. 2-wire RTD offset...

  • Page 28: Setting Output Units

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 1. Measure the lead wire resistance of both RTD leads after installing the 2-Wire RTD and Rosemount 644. 2. Navigate to the 2-Wire RTD Offset parameter: 3. Enter the total measured resistance of the two RTD leads at the 2-Wire Offset prompt to ensure proper adjustment.

  • Page 29: Configure Dual Sensor Options

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Using a Field Communicator HART 5 HART 7 From the HOME screen, enter the Fast Key sequence 2, 2, 1, 4 2, 2, 1, 5 Device Dashboard Fast Keys Using AMS Device Manager 1.
  • Page 30 Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 Note This procedure assumes the Differential Temperature is a calculated output of the device but does not re-assign it as the Primary Variable. If it desired for Differential to be the transmitter’s primary variable “Mapping the HART variables”...

  • Page 31: Average Temperature Configuration

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 2.7.2 Average temperature configuration The Rosemount 644 Transmitter ordered and configured for dual-sensors can output and display the Average temperature of any two inputs. Use the following procedures to configure the transmitter to measure the average temperature: Note This procedure assumes the Average Temperature is a calculated output of the device but does not...

  • Page 32: Hot Backup Configuration

    Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 Figure 2-11. Configuring Average Damping with LOI VIEW CONFIG PV DAMP CALIBRAT SENSOR CONFIG DAMPING DAMPING SENSOR 1 DAMP UNITS UNITS SENSOR 2 DAMP* VARIABLE MAP RERANGE DIFFRNTL DAMP* LOOP TEST AVERAGE DAMP AVERAGE DAMP* ALARM SAT VALUES DISPLAY...

  • Page 33: Sensor Drift Alert Configuration

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Hot Backup configuration with a Field Communicator The field communicator will walk you through a method to correctly configure the necessary elements of the Hot Backup feature. From the HOME screen, enter the Fast Key sequence 2, 1, 5 Device Dashboard Fast Keys Hot Backup configuration with AMS Device Manager...
  • Page 34 Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 Though it defaults to WARNING, when configuring the transmitter for Sensor Drift Alert, the user also has the option of specifying that the analog output of the transmitter go into ALARM when sensor drifting is detected.

  • Page 35: Configure Device Outputs

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Note Enabling the Drift Alert Option to WARNING will set a flag (through the HART communications) whenever the maximum acceptable difference between Sensor 1 and Sensor 2 has been exceeded. For the transmitter’s analog signal to go into ALARM when Drift Alert is detected, select Alarm during the configuration process.

  • Page 36: Damping

    Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 Figure 2-14. Reranging the transmitter with LOI ENTER VALUES ENTER VALUES VIEW CONFIG BACK TO MENU SENSOR CONFIG EXIT MENU UNITS RERANGE RERANGE BACK TO MENU LOOP TEST EXIT MENU DISPLAY EXTENDED MENU EXIT MENU 2.8.2 Damping...
  • Page 37 Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Figure 2-15. Change in Input vs. Change in Output with Damping Set to 5 Seconds Damping can be applied to a number of parameters in the Rosemount 644 Transmitter. Variables that can be damped are: Primary Variable (PV) ...

  • Page 38: Configure Alarm And Saturation Levels

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Using Local Operator Interface Reference the figure below to find the Damping configuration path on the LOI. VIEW CONFIG PV DAMP CALIBRAT SENSOR CONFIG DAMPING DAMPING SENSOR 1 DAMP UNITS SENSOR 2 DAMP* VARIABLE MAP RERANGE DIFFRNTL DAMP*...
  • Page 39 Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Table 2-5. Custom Alarm and Saturation Values Level 4–20 mA saturation 4–20 mA alarm 3.7 mA - 3.9 mA 3.6 mA - 3.8 mA High 20.1 mA - 22.9 mA 20.2 mA - 23.0 mA Note Transmitters set to HART multidrop mode send all saturation and alarm information digitally;...

  • Page 40: Configuring The Lcd Display

    Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 2.8.4 Configuring the LCD display The LCD display configuration command allows customization of the LCD display to suit application requirements. The LCD display will alternate between the selected items with each item displaying for a 3- second interval.

  • Page 41: Inputting Device Information

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Using Local Operator Interface Reference the figure below to find the Alarm and Saturation value configuration path on the LOI. Figure 2-18. Configuring Alarm and Saturation Values with LOI SENSOR 1 SENSOR 2* VIEW CONFIG ANALOG SENSOR CONFIG...

  • Page 42: Configure Measurement Filtering

    Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 Using a Field Communicator From the HOME screen, enter the Fast Key sequence 1, 8 Device Dashboard Fast Keys Using AMS Device Manager 1. Right click on the device and select Configure. 2.

  • Page 43: 2Resetting The Device

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Configuring 50/60 Hz filter with AMS Device Manager Right click on the device and select Configure. 1. In the left navigation pane choose Manual Setup. 2. On the Device Tab there will be a group box called Noise Rejection, in the box AC Power Filter choose from the drop down menu.

  • Page 44: 4Open Sensor Holdoff

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Using a Field Communicator The following steps indicate how to turn the Intermittent Sensor Detect or Transient Filter) feature ON or OFF. When the transmitter is connected to a Field Communicator, use the Fast Key sequence and choose ON (normal setting) or OFF.

  • Page 45: Diagnostics And Service

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 2.11 Diagnostics and service 2.11.1 Performing a loop test The Analog Loop Test verifies the output of the transmitter, the integrity of the loop, and the operations of any recorders or similar devices installed in the loop. To initiate a loop test, follow the steps below. The host system may provide a current measurement for the 4-20 mA HART output.

  • Page 46: 3Thermocouple Degradation Diagnostic

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Using AMS Device Manager 1. Right click on the device and select Service Tools. 2. In the left navigation window select Simulate. 3. In the group box labeled Device Variables choose the variable to simulate. Sensor 1 Temperature ...
  • Page 47 Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 Note The thermocouple resistance algorithm does not calculate resistance values while the active calibrator mode is enabled. Configure T/C Diagnostic with a Field Communicator From the HOME screen, enter the Fast Key sequence 2, 2, 4, 3, 4 Device Dashboard Fast Keys Configure T/C Diagnostic with AMS Device Manager...

  • Page 48: 4Min/Max Tracking Diagnostic

    Minimum and Maximum Temperature Tracking (Min/Max Tracking) when enabled records minimum and maximum temperatures with date and time stamps on Rosemount 644 HART Head mount Temperature Transmitters. This feature records values for Sensor 1, Sensor 2, Differential, Average, First Good and Terminal temperatures.

  • Page 49: Establishing Multidrop Communication

    E. Computer or DCS F. HART Interface G. 4-20 mA H. Rosemount 644 HART Transmitter Note Rosemount 644 Transmitters are set to address 0 at the factory, allowing them to operate in the standard point-to-point manner with a 4–20 mA output signal. To activate multidrop communication, the transmitter address must be changed to a number between 1 and 15.

  • Page 50: 1Changing A Transmitter Address

    Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 2.12.1 Changing a transmitter address To activate multidrop communication, the transmitter poll address must be assigned a number from 1 to 15 for HART Revision 5, and 1-63 for HART Revision 7. Each transmitter in a multidropped loop must have a unique poll address.

  • Page 51: 1Set The Transmitter To Burst Mode

    Reference Manual Configuration 00809-0100-4728, Rev MB July 2016 2.13.1 Set the transmitter to Burst Mode To set the transmitter to burst mode, follow the steps below with the Fast Key sequence: Using a Field Communicator HART 5 HART 7 From the HOME screen, enter the Fast Key sequence 2, 2, 8, 4 2, 2, 8, 5 Device Dashboard Fast Keys...
  • Page 52 Configuration Reference Manual 00809-0100-4728, Rev MB July 2016 1. Configure the dual-sensor Rosemount 644 variable map as shown. Variable Mapping Sensor 1 or Sensor Average Sensor 2 Differential Temperature As Desired 2. Configure Channel 1 of the HART Tri-Loop as TV (differential temperature). If either sensor should fail, the differential temperature output will be +9999 or –9999 (high or low saturation), depending on the position of the Failure Mode Switch (see “Alarm Switch (HART)”...

  • Page 53: Overview

    Reference Manual Hardware Installation 00809-0100-4728, Rev MB July 2016 Section 3 Hardware Installation Overview ............... . page 43 Safety messages .

  • Page 54: Considerations

    Hardware Installation Reference Manual 00809-0100-4728, Rev MB July 2016 Failure to follow these installation guidelines could result in death or serious injury. Make sure only qualified personnel perform the installation.  Explosions could result in death or serious injury. Do not remove the connection head cover in explosive atmospheres when the circuit is live. ...

  • Page 55: Installation Procedures

    Reference Manual Hardware Installation 00809-0100-4728, Rev MB July 2016 Installation procedures Figure 3-1. Installation Flowchart Bench START Calibration? HERE FIELD INSTALL Set Failure Mode Switch BASIC SETUP Set Sensor Type Mount Transmitter Wire Transmitter Set Number of Wires Set Units Power Transmitter Set Range Values FINISHED...

  • Page 56: Mount The Transmitter

    Hardware Installation Reference Manual 00809-0100-4728, Rev MB July 2016 Figure 3-2. Failure Switch Location Note If using an LCD display or Local Operator Interface, first remove the display by detaching it from the top of the Rosemount 644 device, set the switch to the desired position and reattach the display. See Figure 3-3.

  • Page 57: Install The Device

    Reference Manual Hardware Installation 00809-0100-4728, Rev MB July 2016 Mounting a Rosemount 644 to a DIN Rail To attach a head mount transmitter to a DIN rail, assemble the appropriate rail mounting kit (part number 00644-5301-0010) to the transmitter as shown in Figure 3-4.
  • Page 58 Reference Manual Hardware Installation 00809-0100-4728, Rev MB July 2016 8. Connect the shielded power cable leads to the transmitter power terminals. Avoid contact with sensor leads and sensor connections. Connect and tighten the cable gland. 9. Install and tighten the connection head cover. Enclosure covers must be fully engaged to meet explosion-proof requirements.
  • Page 59 Reference Manual Hardware Installation 00809-0100-4728, Rev MB July 2016 A. Rosemount 644 Transmitter D. Extension B. Universal junction box E. Threaded thermowell C. Threaded style sensor Rail mount transmitter and sensor 1. Attach the transmitter to a suitable rail or panel. 2.
  • Page 60 Reference Manual Hardware Installation 00809-0100-4728, Rev MB July 2016 Rail mount transmitter with threaded sensor 1. Attach the transmitter to a suitable rail or panel. 2. Attach the thermowell to the pipe or process container wall. Install and tighten the thermowell before applying pressure.

  • Page 61: Multichannel Installations

    Reference Manual Hardware Installation 00809-0100-4728, Rev MB July 2016 3.4.4 Multichannel installations In a HART installation, several transmitters can be connected to a single master power supply, as shown Figure 3-5. In this case, the system may be grounded only at the negative power supply terminal. In multichannel installations where several transmitters depend on one power supply and the loss of all transmitters would cause operational problems, consider an uninterrupted power supply or a back-up battery.
  • Page 62 Hardware Installation Reference Manual 00809-0100-4728, Rev MB July 2016 Use the following procedure to install the meter. 1. If the transmitter is installed in a loop, secure the loop and disconnect the power. If the transmitter is installed in an enclosure, remove the cover from the enclosure. 2.

  • Page 63: Overview

    Reference Manual Electrical Installation 00809-0100-4728, Rev MB July 2016 Section 4 Electrical Installation Overview ............... . page 53 Safety messages .

  • Page 64: Sensor Connections

    *The transmitter must be configured for at least a 3-wire RTD in order to recognize an RTD with a compensation loop. ™ ** Emerson Process Management provides a 4-wire sensors for all single element RTDs. Use these RTDs in 3-wire configurations by leaving the unneeded leads disconnected and insulated with electrical tape.

  • Page 65: Power The Transmitter

    Reference Manual Electrical Installation 00809-0100-4728, Rev MB July 2016 Thermocouple or millivolt inputs The thermocouple can be connected directly to the transmitter. Use appropriate thermocouple extension wire if mounting the transmitter remotely from the sensor. Make millivolt inputs connections with copper wire. Use shielding for long runs of wire. RTD or ohm inputs The transmitters will accept a variety of RTD configurations, including 2-, 3- or 4-wire.
  • Page 66 Electrical Installation Reference Manual 00809-0100-4728, Rev MB July 2016 6. Apply power (12 – 42 Vdc). Rosemount 644 (DIN A Head Mount) HART device shown with captivated screw terminals 60 (2.4) Sensor Terminals 33 (1.3) Communication Terminals 59 (2.3) Display 24 (.96) Connection Failure...

  • Page 67: Ground The Transmitter

    If the technique does not eliminate the transmitter alarms, try another technique. If all of the techniques do not eliminate or prevent the transmitter alarms because of high EMI, contact an Emerson Process Management representative.
  • Page 68 Electrical Installation Reference Manual 00809-0100-4728, Rev MB July 2016 Ungrounded 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).
  • Page 69 Reference Manual Electrical Installation 00809-0100-4728, Rev MB July 2016 Option 3 1. Ground sensor wiring shield at the sensor, if possible. 2. Ensure that the sensor wiring and signal wiring shields are electrically isolated from the transmitter housing. 3. Do not connect the signal wiring shield to the sensor wiring shield. 4.

  • Page 70: Wiring With A Rosemount 333 Hart Tri-Loop

    Electrical Installation Reference Manual 00809-0100-4728, Rev MB July 2016 ™ 4.3.4 Wiring with a Rosemount 333 HART Tri-Loop (HART / 4–20 mA only) Use the dual-sensor option Rosemount 644 Transmitter that is operating with two sensors in conjunction with a Rosemount 333 HART Tri-Loop HART-to-Analog Signal Converter to acquire an independent 4–20 mA analog output signal for each sensor input.

  • Page 71: Overview

    Reference Manual Operation and Maintenance 00809-0100-4728, Rev MB July 2016 Section 5 Operation and Maintenance Overview ............... . page 61 Safety messages .

  • Page 72: Calibration Overview

    Reference Manual Operation and Maintenance 00809-0100-4728, Rev MB July 2016 Calibration overview Calibrating the transmitter increases the measurement precision by allowing corrections to be made to the factory-stored characterization curve by digitally altering the transmitter’s interpretation of the sensor input. To understand calibration, it is necessary to understand that smart transmitters operate differently from analog transmitters.
  • Page 73 Reference Manual Operation and Maintenance 00809-0100-4728, Rev MB July 2016 Figure 5-1. Trim Application: Linear Offset Application: Linear Offset and Slope Correction Solution: Single-Point Trim Solution: Two-Point Trim Method: Method: 1. Connect sensor to transmitter. Place sensor in bath 1. Connect sensor to transmitter. Place sensor in bath at low range point.

  • Page 74: Recall Factory Trim-Sensor Trim

    Operation and Maintenance Reference Manual 00809-0100-4728, Rev MB July 2016 Using the Local Operator Interface Reference the below image for guidance on where to find Sensor Calibration in the LOI menu. Figure 5-2. Trimming the Sensor with the LOI CALIBRAT CALIBRAT SENSOR 1 CALIB SENSOR 1 CALIB...

  • Page 75: Active Calibrator And Emf Compensation

    Reference Manual Operation and Maintenance 00809-0100-4728, Rev MB July 2016 5.4.2 Active calibrator and EMF compensation The transmitter operates with a pulsating sensor current to allow EMF compensation and detection of open sensor conditions. Because some calibration equipment requires a steady sensor current to function properly, the Active Calibrator Mode feature should be used when an active calibrator is connected.

  • Page 76: Scaled Output Trim

    Operation and Maintenance Reference Manual 00809-0100-4728, Rev MB July 2016 Using Field Communicator 1. Connect an accurate reference meter to the transmitter at the CONNECT REFERENCE METER prompt by shunting the power to the transmitter through the reference meter at some point in the loop. From the HOME screen, enter the Fast Key sequence 3, 4, 5, 1 Device Dashboard Fast Keys...

  • Page 77: Transmitter-Sensor Matching

    Transmitter-Sensor Matching Use Transmitter-Sensor Matching to enhance the temperature measurement accuracy of the system and if you have a sensor with Callendar-Van Dusen constants. When ordered from Emerson Process Management, sensors with Callendar-Van Dusen constants are NIST-traceable. The Rosemount 644 accepts Callendar-Van Dusen constants from a calibrated RTD schedule and generates a special custom curve to match that specific sensor Resistance vs.
  • Page 78 Operation and Maintenance Reference Manual 00809-0100-4728, Rev MB July 2016 Table 5-2. Standard RTD vs. RTD with Matched CVD Constants with Enhanced Transmitter Accuracy Option P8 System accuracy comparison at 150 °C using a PT 100 (=0.00385) RTD with a span of 0 to 200 °C Standard RTD Matched RTD Rosemount 644...

  • Page 79: Switching Hart Revision

    Reference Manual Operation and Maintenance 00809-0100-4728, Rev MB July 2016 Switching HART Revision Some systems are not capable of communicating with HART Revision 7 devices. The following procedures list how to change HART revisions between HART Revision 7 and HART Revision 5. 5.7.1 Using the Generic Menu If the HART configuration tool is not capable of communicating with a HART Revision 7 device, it should...
  • Page 80 Reference Manual Operation and Maintenance 00809-0100-4728, Rev MB July 2016 Operation and Maintenance...

  • Page 81: Overview

    Reference Manual Troubleshooting 00809-0100-4728, Rev MB July 2016 Section 6 Troubleshooting Overview ............... . page 71 Safety messages .

  • Page 82: Troubleshooting The 4-20 Ma/Hart Output

    Check the revision level of the transmitter device descriptors (DDs) stored in your communicator. The communicator should report Dev v4, DD v1 (improved), or reference “Field Communicator” on page 3-2 for previous versions. Contact ™ Emerson Process Management Customer Central for assistance. Transmitter •...

  • Page 83: Diagnostic Messages

    DEVICE 2. If condition persists, replace the transmitter. Contact have failed. For example, the transmitter may have experienced the nearest Emerson Process Management Field an electronics failure while Service Center if necessary. attempting to store information. If diagnostics indicate an...

  • Page 84: Diagnostic Messages: Warning

    Troubleshooting Reference Manual 00809-0100-4728, Rev MB July 2016 6.4.2 Diagnostic messages: Warning display Alert name screen screen Problem Recommended action 1. Replace Sensor 1 at you earliest convenience. ™ Hot Backup HOT BU HOT BU Sensor 1 has failed (open or Active shorted) and Sensor 2 is SNSR 1...

  • Page 85: Other Lcd Display Messages

    Reference Manual Troubleshooting 00809-0100-4728, Rev MB July 2016 6.4.3 Other LCD display messages display Alert name screen LOI screen Problem Recommended action LCD is not The display may not be If the meter does not appear to function, make sure Rosemount Rosemount displaying...
  • Page 86 Reference Manual Troubleshooting 00809-0100-4728, Rev MB July 2016 Troubleshooting...

  • Page 87: Safety Instrumented Systems (Sis) Certification

    Systems up to SIL 3. Rosemount 644 safety certified identification All Rosemount 644 HART Head Mount Transmitters must be identified as safety certified before installing into SIS systems. To identify a safety certified Rosemount 644, make sure the device satisfies number 1 below and at least one of the options in 2, 3, or 4.

  • Page 88: Installation

    Safety Instrumented Systems (SIS) Certification Reference Manual 00809-0100-4728, Rev MB July 2016 4. Identify a certified Rosemount 644 by its Device Revision (found using any HART-compliant communicator). For the Rosemount 644, certified device revisions are as follows: – Device Revision 8.x (HART 5) –...

  • Page 89: Alarm And Saturation Levels

    Reference Manual Safety Instrumented Systems (SIS) Certification 00809-0100-4728, Rev MB July 2016 Alarm and saturation levels The Rosemount 644 features software driven alarm diagnostics. The independent circuit is designed to provide backup alarm output if the microprocessor software fails. The transmitter will go to a high or low output current for internally detected failures.

  • Page 90: Rosemount 644 Sis Operation And Maintenance

    Reference Manual Safety Instrumented Systems (SIS) Certification 00809-0100-4728, Rev MB July 2016 Rosemount 644 SIS operation and maintenance 7.7.1 Proof test The following proof tests are recommended. In the event that an error is found in the safety functionality, proof test results and corrective actions taken must be documented at www.EmersonPro- cess.com/Rosemount/Safety.

  • Page 91: Specifications

    Reference Manual Safety Instrumented Systems (SIS) Certification 00809-0100-4728, Rev MB July 2016 5. Restore the loop to full operation. Remove the bypass from the safety PLC or otherwise restore normal operation. 6. Document the test results per the plant’s requirements. Table 7-1.

  • Page 92: Product Life

    Reference Manual Safety Instrumented Systems (SIS) Certification 00809-0100-4728, Rev MB July 2016 7.8.3 Product life 50 years - based on worst case component wear-out mechanisms - not based on wear-out of process sensors. Report any safety related product information at: http://rosemount.d1asia.ph/rosemount/safety/Repor- tAFailure_newweb.asp Safety Instrumented Systems (SIS) Certification...

  • Page 93: Specifications

    Configuration ..............page 96 Specifications and Reference Data for Rosemount 644 HART Head Mount ....page 97 A.1 Specifications...

  • Page 94: Performance

    Surface finish is polished to 32 RMA. Laser etched product marking reference elements. on housing and standard covers. Vibration effect The Rosemount 644 HART is tested to the following specifications with no effect on performance per IEC 60770-1, 2010: Frequency Vibration 10 to 60 Hz 0.35 mm displacement...

  • Page 95: Conformance To Specifications

    Transmitter power terminals are rated to 42.4 Vdc. A Field Communicator requires a loop resistance between 250 – Rosemount 644 Sensor Connection Diagram: 1100 ohms. The Rosemount 644 HART device does not Rosemount 644 Rail mount communicate when power is below 12 Vdc at the transmitter terminals.

  • Page 96: Temperature Limits

    Reference Manual Specifications and Reference Data July 2016 00809-0100-4728, Rev MB A.2.3 Temperature limits Table A-1. Available Alarm Range Operating limit Storage limit NAMUR- NE 43 –4 to 185 °F –50 to 185 °F Standard With LCD Display Compliant –20 to 85 °C –45 to 85 °C –40 to 185 °F –58 to 248 °F...
  • Page 97 Specifications and Reference Data Reference Manual July 2016 00809-0100-4728, Rev MB Table A-2. Rosemount 644 Input Options and Accuracy Sensor Sensor Input Recommended Digital options reference ranges Min. Span accuracy accuracy NIST Monograph Type J –180 to 760 –292 to 1400 ±...

  • Page 98: Dimensional Drawings

    Reference Manual Specifications and Reference Data July 2016 00809-0100-4728, Rev MB A.3 Dimensional drawings Figure A-2. Rosemount 644 (DIN A Head Mount) HART device shown with captivated screw terminals 60 (2.4) Sensor Terminals 33 (1.3) Communication Terminals 31 (1.2) 59 (2.3) Display 24 (.96) Connection...

  • Page 99: Lcd Display Cover

    Specifications and Reference Data Reference Manual July 2016 00809-0100-4728, Rev MB Figure A-5. Mounting Kits for Rosemount 644 Head Mount Rosemount 644H rail clips Rosemount 644R rail and wall clips G-Rail (asymmetric) Top hat rail (symmetric) G-Rail Mounting Mounting Grooves Hardware Hardware Screw Holes...

  • Page 100: Stainless Steel Housing For Biotechnology, Pharmaceutical Industries, And Sanitary Applications

    Reference Manual Specifications and Reference Data July 2016 00809-0100-4728, Rev MB A.3.2 Stainless steel housing for biotechnology, pharmaceutical industries, and sanitary applications Figure A-8. Sanitary Housing (Option Codes S1, S2, S3, S4) Standard cover LCD display cover Housing Standard Cover LCD Display Cover Housing O-Ring...

  • Page 101: Ordering Information

    Specifications and Reference Data Reference Manual July 2016 00809-0100-4728, Rev MB A.4 Ordering information The Rosemount 644 is a versatile temperature transmitter that delivers field reliability and advanced accuracy and stability to meet demanding process needs. Transmitter features include: HART/4-20 mA with Selectable Revision 5 and 7 selectable (Option ...
  • Page 102 Reference Manual Specifications and Reference Data July 2016 00809-0100-4728, Rev MB Table A-3. Rosemount 644 Temperature Transmitter Ordering Information H The Standard offering represents the most common models and options. These options should be selected for best delivery. The Expanded offering is manufactured after receipt of order and is subject to additional delivery lead time. l = Available –...
  • Page 103 Specifications and Reference Data Reference Manual July 2016 00809-0100-4728, Rev MB Table A-3. Rosemount 644 Temperature Transmitter Ordering Information H The Standard offering represents the most common models and options. These options should be selected for best delivery. The Expanded offering is manufactured after receipt of order and is subject to additional delivery lead time. l = Available –...
  • Page 104 Reference Manual Specifications and Reference Data July 2016 00809-0100-4728, Rev MB Table A-3. Rosemount 644 Temperature Transmitter Ordering Information H The Standard offering represents the most common models and options. These options should be selected for best delivery. The Expanded offering is manufactured after receipt of order and is subject to additional delivery lead time. l = Available –...
  • Page 105 Specifications and Reference Data Reference Manual July 2016 00809-0100-4728, Rev MB Note For additional options (e.g. “K” codes), contact your local Emerson Process Management representative. Table A-4. Transmitter Accessories Part number Part description Aluminum alloy Universal Head, standard cover—M20 entries 00644-4420-0002 Aluminum alloy Universal Head, meter cover—M20 entries...

  • Page 106: Configuration

    Reference Manual Specifications and Reference Data July 2016 00809-0100-4728, Rev MB A.5 Configuration A.5.4 Considerations Special mounting considerations A.5.1 Transmitter configuration Figure A-5 on page 89 for the special hardware that is available The transmitter is available with standard configuration settings for HART.

  • Page 107: Specifications And Reference Data For Rosemount 644 Hart Head Mount

    Refer to the Rosemount 644 Quick Start Guide or Reference Manual for more instructions. A.6 Specifications and Reference Data Local display for Rosemount 644 HART Head The optional five-digit integral LCD Display includes a floating or fixed decimal point. It can also display engineering units (°F, °C, °R, Mount K, W, and mV), mA, and percent of span.

  • Page 108: Physical Specifications

    Reference Manual Specifications and Reference Data July 2016 00809-0100-4728, Rev MB A.6.2 Physical specifications Weight Code Options Weight Electrical connections 644H HART, Head Mount Transmitter 95 g (3.39 oz) Model Power and sensor terminals Fieldbus, OUNDATION 644H 92 g (3.25 oz) Rosemount Compression screws permanently fixed to terminal Head Mount Transmitter...

  • Page 109: 4-20 Ma / Hart Specifications

    Temperature limits Operating limit Storage limit * Emerson Process Management provides 4-wire sensors for all single element RTDs. You can use these RTDs in 3-wire configurations by leaving the –40 to 185 °F –50 to 185 °F unneeded leads disconnected and insulated with electrical tape.
  • Page 110 Reference Manual Specifications and Reference Data July 2016 00809-0100-4728, Rev MB Standard NAMUR- NE 43 compliant Linear 3.9  I  20.5 3.8  I  20.5 Output: 21.75  I  23 21.5  I  23 Fail High: 3.5 ...

  • Page 111: Bappendix B: Product Certifications

    Emerson Process Management Asia Pacific Limited – Singapore Markings: (with enclosure): IS CL I,II,III, GP ABCDEFG T4 Emerson Process Management GmbH & Co. - Karlstein, Germany IS CL I Zone 0, AEX ia IIC; T4 NI CL I, DIV.2, GP ABCD Emerson Process Management (India) Private Ltd.
  • Page 112 Reference Manual Product Certifications July 2016 00809-0100-4728, Rev MB Markings: (with enclosure): Table B-1. Input Parameters Ex ia Ci = 3.3 nF CLASS I, GRPS A,B,C,D, T4/T6, CLASS I, ZONE 0, IIC Li = 0 WHEN INSTALL PER DRAWING 00644-1064 or 0644-2072 Sensor SUITABLE CLASS I DIV 2, WITH NON-INCENDIVE...

  • Page 113: Other Certifications

    Product Certifications Reference Manual July 2016 00809-0100-4728, Rev MB ND ATEX Dust Special Conditions for Safe Use (X): None Certification: KEMA 99ATEX8715X Combinations of certifications Standards: EN 61241-0:2006, EN 61241-1:2004 Stainless steel certification tag is provided when optional approval Markings: II 1 D, Ex tD A20 IP66 T95°C is specified.

  • Page 114: European Certifications

    Reference Manual Product Certifications July 2016 00809-0100-4728, Rev MB FM Explosion Proof Table B-2. Entity Parameters Explosion Proof for Class I, Division 1, Groups B, C, and D. I.S. Loop/power terminals Nonincendive for use in Class 1, Division 2, Groups A, B, C, and = 30 V Temperature Code: T5 (T = –...

  • Page 115: Iecex Certifications

    Product Certifications Reference Manual July 2016 00809-0100-4728, Rev MB Specific Condition for Safe Use (X): Table B-6. Electrical Data 1. For information on the dimensions of the flameproof joints Transmitter Sensor the manufacturer shall be contacted. Thermocouple B.3.4 IECEx Certifications = 32 V = 5 V IECEx Flameproof and Dust...

  • Page 116: Russian Gost Certifications

    Reference Manual Product Certifications July 2016 00809-0100-4728, Rev MB B.3.7 Russian GOST Certifications PPC BA-13006: 0 Ex ia IIC T4/T5/T6 B.3.8 Kazakhstan GOST Pattern approval Certificate for Measuring Instruments See Certificate B.3.9 Ukraine GOST Pattern Approval for Measuring Instruments See Certificate Product Certifications...
  • Page 117 Product Certifications Reference Manual July 2016 00809-0100-4728, Rev MB Figure B-1. CSA Intrinsic Safety Installation Drawing 00644-1064, Rev. AB Product Certifications...
  • Page 118 Reference Manual Product Certifications July 2016 00809-0100-4728, Rev MB Figure B-2. CSA Explosion-Proof Installation Drawing 00644-1059, Rev. AH Product Certifications...
  • Page 119 Product Certifications Reference Manual July 2016 00809-0100-4728, Rev MB Figure B-3. FM Intrinsic Safety Installation Drawing 00644-0009, Rev. AE Sheet 1 of 2 Product Certifications...
  • Page 120 Reference Manual Product Certifications July 2016 00809-0100-4728, Rev MB Sheet 2 of 2 Product Certifications...
  • Page 121 Product Certifications Reference Manual July 2016 00809-0100-4728, Rev MB Figure B-4. FM Explosion-Proof Installation Drawing 00644-1049, Rev. AE Product Certifications...
  • Page 122 Reference Manual Product Certifications July 2016 00809-0100-4728, Rev MB Product Certifications...

  • Page 123: Cappendix C: Field Communicator Menu Trees And Fast Keys

    Field Communicator Menu Trees and Fast Keys Reference Manual July 2016 00809-0100-4728, Rev MB Appendix C Field Communicator Menu Trees and Fast Keys Field Communicator menu trees Figure C-1. HART Revision 5 Field Communicator Menu Tree - Overview Good (only if No Alerts) Active Alerts 1 No Active Alerts 1 Good (only if No Alerts)
  • Page 124 Reference Manual Field Communicator Menu Trees and Fast Keys July 2016 00809-0100-4728, Rev MB Figure C-2. HART Revision 5 Field Communicator Menu Tree - Configure Home Guided Setup Sensor 1 1 Overview 1 Configure Sensors 1 Sensor 1 Temp 2 Configure Configure 2 Calibrate Sensors 2 Sensor 1 Type...
  • Page 125 Field Communicator Menu Trees and Fast Keys Reference Manual July 2016 00809-0100-4728, Rev MB Figure C-3. HART Revision 5 Field Communicator Menu Tree – Service Tools Good (only if No Alerts) 1 No Active Alerts Failed 1 Invalid Configuration 2 Electronics Failure 3 Calibration Error 4 Sensor Drift Alert Active 5 Sensor 1 Open...
  • Page 126 Reference Manual Field Communicator Menu Trees and Fast Keys July 2016 00809-0100-4728, Rev MB Figure C-4. HART Revision 7 Field Communicator Menu Tree – Overview Good (only if No Alerts) Active Alerts 1 No Active Alerts 1 Good (only if No Alerts) 2 Failed Failed 3 Advisory...
  • Page 127 Field Communicator Menu Trees and Fast Keys Reference Manual July 2016 00809-0100-4728, Rev MB Figure C-5. HART Revision 7 Field Communicator Menu Tree - Configure Home Sensor 1 Guided Setup 1 Overview 1 Sensor 1 Temp 1 Configure Sensors 2 Configure Configure 2 Sensor 1 Status* 2 Calibrate Sensors...
  • Page 128 Reference Manual Field Communicator Menu Trees and Fast Keys July 2016 00809-0100-4728, Rev MB Figure C-6. HART Revision 7 Field Communicator Menu Tree – Service Tools Good (only if No Alerts) 1 No Active Alerts Failed 1 Invalid Configuration 2 Electronics Failure 3 Calibration Error 4 Sensor Drift Alert Active 5 Sensor 1 Open...

  • Page 129: Field Communicator Fast Keys

    Field Communicator Menu Trees and Fast Keys Reference Manual July 2016 00809-0100-4728, Rev MB Field Communicator Fast Keys Table C-1. Device Revision 8 and 9 (HART 5 and 7) Field Communicator Device Dashboard Fast Key Sequences Function HART 5 HART 7 Alarm Values 2, 2, 5, 6 2, 2, 5, 6...
  • Page 130 Reference Manual Field Communicator Menu Trees and Fast Keys July 2016 00809-0100-4728, Rev MB Table C-1. Device Revision 8 and 9 (HART 5 and 7) Field Communicator Device Dashboard Fast Key Sequences Function HART 5 HART 7 Software Revision 1, 8, 2, 4 1, 8, 2, 4 2, 2, 7, 1, 1 2, 2, 7, 1, 1...

  • Page 131: Number Entry

    Local Operator Interface (LOI) Reference Manual July 2016 00809-0100-4728, Rev MB Appendix D Local Operator Interface (LOI) Number entry Floating point numbers can be entered with the LOI. All eight number locations on the top line can be used for number entry. Refer to Table 2-2 on page 13 for LOI button operation.

  • Page 132: Text Entry

    Local Operator Interface (LOI) Reference Manual July 2016 00809-0100-4728, Rev MB Usage notes: It is possible to move backwards in the number by scrolling to the left and pressing enter. The  left arrow appears as such in the LOI: The negative symbol is only allowed in the left most position.

  • Page 133: Timeout

    Local Operator Interface (LOI) Reference Manual July 2016 00809-0100-4728, Rev MB Scrolling backwards Moving backwards during digit or text entry was described above in Digit Entry “Usage Notes”. During regular menu navigation it is possible to go back to the previous screen by pressing both buttons at the same time.
  • Page 134 Local Operator Interface (LOI) Reference Manual July 2016 00809-0100-4728, Rev MB Saving a setting D E G C D E G C S A v e ? S A v e D Saving text or values 005.0000 005.0000 S A v e ? S A v e D D.4.2 Canceling...
  • Page 135 Local Operator Interface (LOI) Reference Manual July 2016 00809-0100-4728, Rev MB LOI menu tree VIEW CONFIG UNITS SENSOR 1 TYPE CONNECTION SENSOR 2 TYPE CONNECTION UPPER RANGE VALUE LOWER RANGE VALUE DAMPING VALUE HIGH ALARM LOW ALARM HIGH SATURATION LOW SATURATION BACK TO MENU EXIT MENU LOI MENU...
  • Page 136 Local Operator Interface (LOI) Reference Manual July 2016 00809-0100-4728, Rev MB LOI menu tree – extended menu CALIBRAT SENSOR 1 CALIB SENSOR 2 CALIB ANALOG TRIM FACTORY RECALL BACK TO MENU EXIT MENU DAMPING PV DAMP SENSOR 1 DAMP SENSOR 2 DAMP DIFFRNTL DAMP AVERAGE DAMP 1ST GOOD DAMP...
  • Page 137 Reference Manual Index 00809-0100-4728, Rev MB July 2016 Index ........
  • Page 138 Reference Manual Index 00809-0100-4728, Rev MB July 2016 Index...
  • Page 140 Standard Terms and Conditions of Sale can be found at: Middle East and Africa Regional Office www.Emerson.com/en-us/pages/Terms-of-Use.aspx The Emerson logo is a trademark and service mark of Emerson Electric Co. Emerson Process Management AMS, DeltaV, Hot Backup, Tri-Loop, PlantWeb, Rosemount, and Rosemount logotype are trademarks of Emerson Process Management.

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