Emerson Rosemount 644 User manual

Quick Start Guide

00825-0200-4728, Rev DB

February 2015

Note

Before installing the transmitter, confirm the correct device driver is loaded on the host

systems. See page 3 for System Readiness.

Rosemount 644 Temperature Transmitter

with 4-20 mA HART®(Revision 5 and 7) Protocol

February 2015

Quick Start Guide

NOTICE

This guide provides basic guidelines for Rosemount 644 transmitters. It does not provide instructions for

configuration, diagnostics, maintenance, service, troubleshooting, Explosion-proof, Flameproof, or

intrinsically safe (I.S.) installations. Refer to the Rosemount 644 Reference Manual (document number

00809-0100-4728) for more instruction. This manual is also available electronically on

www.rosemount.com.

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. Please review the approvals section of the

644 reference manual for any restrictions associated with a safe installation.

Before connecting a HART-based communicator in an explosive atmosphere, make sure the instruments

in the loop are installed in accordance with intrinsically safe or non-incendive field wiring practices.

Electrical shock can result in death or serious injury.

Avoid contact with the leads and the terminals. High voltage that may be present on leads can cause

electrical shock.

Conduit/cable entries

Unless marked, the conduit/cable entries in the transmitter housing use a 1/2-14 NPT thread form. Entries

marked “M20” are M20 ⫻1.5 thread form. On devices with multiple conduit entries, all entries will have

the same thread form. Only use plugs, adapters, glands, or conduit with a compatible thread form when

closing these entries.

When installing in a Hazardous Location, use only appropriately listed or Ex certified plugs, adapters, or

glands in cable/conduit entries.

Contents

System readiness . . . . . . . . . . . . . . . . . . . . . . . 3

Transmitter installation . . . . . . . . . . . . . . . . . 4

Set the alarm switch . . . . . . . . . . . . . . . . . . . . 4

Verify configuration. . . . . . . . . . . . . . . . . . . . . 5

Mount the transmitter . . . . . . . . . . . . . . . . .10

Wire and apply power. . . . . . . . . . . . . . . . . .13

Perform a loop test . . . . . . . . . . . . . . . . . . . .18

Safety instrumented systems . . . . . . . . . .19

Product Certifications . . . . . . . . . . . . . . . 20

Quick Start Guide

February 2015

System readiness

Confirm HART revision capability

If using HART based control or asset management systems, please confirm the

HART capability of those systems prior to transmitter installation. Not all

systems are capable of communicating with HART Revision 7 protocol. This

transmitter can be configured for either HART Revision 5 or 7.

For instructions on how to change the HART revision of your transmitter, see

“Verify configuration” on page 5.

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

http://www.emersonprocess.com.en-US/documentation/deviceinstallkits/Pa

ges/AboutDeviceInstallKits.aspx or

http://www.hartcomm.org/protocol/products/products.html

Rosemount 644 device revisions and files

Table 1 provides the information necessary to ensure you have the correct Device

Driver files and Documentation for your device.

Table 1. Rosemount 644 Device Revisions and Files

Software

date Identify device Find device driver files Review

instructions

Review

functionality

Date

NAMUR

software

revision

HART

software

revision

HART

universal

revision(1)

1. NAMUR Software Revision is located on the hardware tag of the device. HART Software Revision can be read

using a HART communication tool.

Device

revision(2)

2. Device Driver file names use Device and DD Revision, e.g. 10_01. HART Protocol is designed to enable legacy

device driver revisions to continue to communicate with new HART devices. To access new functionality, the

new Device Driver must be downloaded. It is recommended to download new Device Driver files to ensure full

functionality.

Manual document

number

Changes to

software (3)

3. HART Revision 5 and 7 Selectable, Dual Sensor support, Safety Certified, Advanced Diagnostics (if ordered),

Enhanced Accuracy and Stability (if ordered).

June 2012 1.1.1 01

5 8

00809-0100-4728 See Footnote 3 for

list of changes.

7 9

February 2015

Quick Start Guide

Transmitter installation

Step 1: Set the alarm switch

Set the 644 alarm switch before putting the device into operation.

Without an LCD display:

1. Set the loop to manual (if applicable) and disconnect the power.

2. Remove the housing cover.

3. Set the switch to the desired position (Hindicates High, Lindicates Low), then

reattach the housing cover.

4. Apply power and set the loop to automatic control.

Figure 1. Placement of Alarm Switch

A. Alarm Switch

Note

If using an LCD display, first remove the pink foam spacer located between the LCD and cover. The

spacer can be discarded. Next, remove the display by detaching it from the top of the device, set

the switch to the desired position and reattach the LCD display.

644 Transmitter 644 Field Mount

Quick Start Guide

February 2015

Step 2: Verify configuration

Verify the configuration of the Rosemount 644 device upon receiving your

transmitter using any HART compliant configuration tool. See the Rosemount

644 Reference Manual (document number 00809-0200-4728) for configuration

instructions using AMS®Device Manager.

The 644 communicates using the Field Communicator (communication requires

a loop resistance between 250 and 1100 ohms). Do not operate when power is

below 12 Vdc at the transmitter terminal. See the 644 Reference Manual

(document number 00809-0200-4728) and Field Communicator Reference

Manual for more information.

Verify configuration with a Field Communicator

A Rosemount 644 DD (device descriptor) must be installed on the Field

Communicator to verify the configuration. Fast Key sequences for the latest DD

are shown in Table on page 6. For Fast Key sequences using legacy DD's, contact

your local Emerson Process Management representative.

Perform the following steps to determine if an upgrade is required.

1. Connect the sensor (see the wiring diagram located on the device’s top label).

2. Connect the bench power supply to the power terminals (“+” or “–”).

3. Connect a Field Communicator to the loop across a loop resistor or at the

power/signal terminals on the transmitter.

4. The following message will appear if the communicator has a previous version

of the DDs:

Device Description Not Installed…The Device Description for manufacturer 0x26

model 0x2618 dev rev 8/9 is not installed on the System Card…see Programming

Utility for details on Device Description updates…Do you wish to proceed in forward

compatibility mode?

If this notice does not appear, the latest DD is installed. If the latest version is not

available, the communicator will communicate properly, however, when the

transmitter is configured to utilize the advanced features of the transmitter, the

user will experience trouble communicating and will be prompted to turn the

communicator off. To prevent this from happening, upgrade to the latest DD or

answer NO to the question and default to the generic transmitter functionality.

Note

Emerson recommends installing the latest DD to access the complete functionality. Visit

www.fieldcommunicator.com for information on updating the DD Library.

Field Communicator user interface

Two user interfaces are available to configure this device.

The Device Revision 8 and 9 (HART 5 and 7), DD Revision 1 Fast Key Sequence in

Table 2 may be used for transmitter configuration and startup.

February 2015

Quick Start Guide

Figure 2. Device Dashboard Field Communicator Interface

Table 2. Device Revision 8 and 9 (HART 5 and 7), DD Revision 1 Fast Key Sequence

Function HART 5 HART 7

Alarm Values 2, 2, 5, 6 2, 2, 5, 6

Analog Calibration 3, 4, 5 3, 4, 5

Analog Output 2, 2, 5, 1 2, 2, 5, 1

Average Temperature Setup 2, 2, 3, 3 2, 2, 3, 3

Burst Mode 2, 2, 8, 4 2, 2, 8, 4

Comm Status N/A 1, 2

Configure additional messages N/A 2, 2, 8, 4, 7

Configure Hot Backup™ 2, 2, 4, 1, 3 2, 2, 4, 1, 3

D/A Trim 3, 4, 4, 1 3, 4, 4, 1

Damping Values 2, 2, 1, 5 2, 2, 1, 6

Date 2, 2, 7, 1, 2 2, 2, 7, 1, 3

Display Setup 2, 1, 4 2, 1, 4

Descriptor 2, 2, 7, 1, 4 2, 2, 7, 1, 5

Device Information 1, 8, 1 1, 8, 1

Differential Temperature Setup 2, 2, 3, 1 2, 2, 3, 1

Drift Alert 2, 2, 4, 2 2, 2, 4, 2

Filter 50/60 Hz 2, 2, 7, 4, 1 2, 2, 7, 4, 1

First Good Temperature Setup 2, 2, 3, 2 2, 2, 3, 2

Hardware Revision 1, 8, 2, 3 1, 8, 2, 3

HART Lock N/A 2, 2, 9, 2

Intermittent Sensor Detect 2, 2, 7, 4, 2 2, 2, 7, 4, 2

Quick Start Guide

February 2015

Loop Test 3, 5, 1 3, 5, 1

Locate Device N/A 3, 4, 6, 2

Lock Status N/A 1, 8, 3, 8

LRV (Lower Range Value) 2, 2, 5, 5, 3 2, 2, 5, 5, 3

LSL (Lower Sensor Limit) 2, 2, 1, 7, 2 2, 2, 1, 8, 2

Message 2, 2, 7, 1, 3 2, 2, 7, 1, 4

Open Sensor Holdoff 2, 2, 7, 3 2, 2, 7, 3

Percent Range 2, 2, 5, 2 2, 2, 5, 2

Sensor 1 Configuration 2, 1, 1 2, 1, 1

Sensor 2 Configuration 2, 1, 1 2, 1, 1

Sensor 1 Serial Number 2, 2, 1, 6 2, 2, 1, 7

Sensor 2 Serial Number 2, 2, 2, 7 2, 2, 2, 8

Sensor 1 Type 2, 2, 1, 2 2, 2, 1, 3

Sensor 2 Type 2, 2, 2, 2 2, 2, 2, 3

Sensor 1 Unit 2, 2, 1, 4 2, 2, 1, 5

Sensor 2 Unit 2, 2, 2, 4 2, 2, 2, 5

Sensor 1 Status N/A 2, 2, 1, 2

Sensor 2 Status N/A 2, 2, 2, 2

Simulate Digital Signal N/A 3, 5, 2

Software Revision 1, 8, 2, 4 1, 8, 2, 4

Tag 2, 2, 7, 1, 1 2, 2, 7, 1, 1

Long Tag N/A 2, 2, 7, 1, 2

Terminal Temperature 2, 2, 7, 1 2, 2, 8, 1

URV (Upper Range Value) 2, 2, 5, 5, 2 2, 2, 5, 5, 2

USL (Upper Sensor Limit) 2, 2, 1, 7, 2 2, 2, 1, 8, 2

Variable Mapping 2, 2, 8, 5 2, 2, 8, 5

2-wire Offset Sensor 1 2, 2, 1, 9 2, 2, 1, 10

2-wire Offset Sensor 2 2, 2, 2, 9 2, 2, 2, 10

Table 2. Device Revision 8 and 9 (HART 5 and 7), DD Revision 1 Fast Key Sequence

Function HART 5 HART 7

February 2015

Quick Start Guide

Input or verify Callendar Van-Dusen constants

If sensor matching is being used with this combination of a transmitter and

sensor, verify the constants input.

1. From the HOME screen, select 2 Configure, 2 Manual Setup, 1 Sensor.

2. Set the control loop to manual and select OK.

3. At the ENTER SENSOR TYPE prompt, select Cal VanDusen.

4. At the ENTER SENSOR CONNECTION prompt, select the appropriate number of

wires.

5. Enter the Ro, Alpha, Delta, and Beta values from the stainless steel tag

attached to the special-order sensor when prompted.

6. Return the control loop to automatic control and select OK.

7. To disable the transmitter-sensor matching feature from the HOME screen

select 2 Configure, 2 Manual Setup, 1 Sensor, 10 SensorMatching-CVD.

8. Choose the appropriate sensor type from the ENTER SENSOR TYPE prompt.

Verifying configuration with Local Operator Interface (LOI)

The optional LOI can be used for commissioning the device. The LOI is a two

button design. To activate the LOI, push any button. LOI button functionality is

shown on the bottom corners of the display. See Table 3 and Figure 4 for button

operation and menu information.

Figure 3. Local Operator Interface

Table 3. LOI Button Operation

Button

Left No SCROLL

Right Yes ENTER

Quick Start Guide

February 2015

Figure 4. LOI Menu

Switch HART revision mode

Not all systems are capable of communicating with HART Revision 7 protocol.

This transmitter can be configured for either HART Revision 5 or 7 using a HART

capable configuration tool.

Updated configuration menus include a HART Universal Revision parameter that

can be configured to 5 or 7 if accessible by your system. See Table 2 for the Fast

Key sequence.

If the HART configuration tool is not capable of communicating with HART

Revision 7, the configuration menus in Table 2 will not be available. To switch the

HART Universal Revision parameter from generic mode, follow the instructions

below.

1. Go to Configure>Manual Setup>Device Information>Identification>Message.

a. To change your device to HART Revision 7, Enter: “HART7” in the Message

field.

b. To change your device to HART Revision 5, Enter: “HART5” in the Message

field.

Note

See Table 2 on page 6 to change HART revision when the correct Device Driver is loaded.

February 2015

Quick Start Guide

Step 3: Mount the transmitter

Mount the transmitter at a high point in the conduit run to prevent moisture from

draining into the transmitter housing.

Head mount transmitter with DIN plate style sensor installation

1. Attach the thermowell to the pipe or process container wall.

2. Install and tighten the thermowell before applying process pressure.

3. Verify the transmitter failure mode switch position.

4. Assemble the transmitter to the sensor. Push the transmitter mounting

screws through the sensor mounting plate.

5. Wire the sensor to the transmitter (see “Wire and apply power” on page 13).

6. Insert the transmitter-sensor assembly into the connection head.

a. Thread the transmitter mounting screw into the connection head

mounting holes.

b. Assemble the extension to the connection head.

c. Insert the assembly into the thermowell.

7. If using a cable gland, properly attach the cable gland to a housing conduit

entry.

8. Insert the shielded cable leads into the connection head through the cable

entry.

9. Connect the shielded power cable leads to the transmitter power terminals.

Avoid contact with sensor leads and sensor connections.

10. Connect and tighten the cable gland.

11. Install and tighten the connection head cover. Enclosure covers must be fully

engaged to meet explosion-proof requirements.

A. Connection head cover

B. Connection head

C. Thermowell

D. Transmitter mounting screws

E. Integral mount sensor with flying leads

F. Extension

AB C

DEF

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