Emerson Rosemount 644h User manual

www.rosemount.com

¢00825-0100-4728w¤

Quick Installation Guide

00825-0300-4728, Rev AA

July 2010 Rosemount 644

Start

End

Step 1: Mount the Transmitter

Step 2: Wire and Apply Power

Step 3: Verify Tagging

Step 4: Transmitter Configuration

Product Certifications

Rosemount 644H Profibus PA Temperature

Transmitters

4728_Rev AA.fm Page 1 Thursday, July 29, 2010 11:41 AM

Quick Installation Guide

00825-0300-4728, Rev AA

July 2010

Rosemount 644

registered trademarks of Rosemount Inc.

Emerson Process Management Rosemount Division

8200 Market Boulevard

Chanhassen, MN USA 55317

T (US) (800) 999-9307

T (Intnl) (952) 906-8888

F (952) 949-7001

Emerson Process Management GmbH & Co. OHG

Frankenstrasse 21

63791 Karlstein

Germany

T 49 (6188) 992 0

F 49 (6188) 992 112

Emerson Process Management Asia Pacific Private Limited

1 Pandan Crescent

Singapore 128461

T (65) 6777 8211

F (65) 6777 0947/65 6777 0743

IMPORTANT NOTICE

This installation guide provides basic guidelines for the Rosemount 644. It does not

provide instructions for detailed configuration, diagnostics, maintenance, service,

troubleshooting, or installation. Refer to the 644 Reference Manual (document number

00809-0100-4728) for more instruction. The manual and this QIG are also available

electronically on www.rosemount.com.

WARNING

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 this manual for any restrictions associated with a safe

installation.

In an Explosion-proof/Flameproof installation, do not remove the transmitter covers when

power is applied to the unit.

Process leaks may cause harm or result in death

• Install and tighten thermowells or sensors before applying pressure.

• Do not remove the thermowell while in operation.

Electrical shock can result in death or serious injury

• Avoid contact with the leads and terminals. High voltage that may be present on leads

can cause electrical shock.

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Quick Installation Guide

00825-0300-4728, Rev AA

July 2010 Rosemount 644

STEP 1: MOUNT THE TRANSMITTER

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

the transmitter housing.

Typical Connection Head Installation

Head Mount Transmitter with DIN Plate Style Sensor

1. Attach the thermowell to the pipe or process container wall. Install and tighten the

thermowell before applying process pressure.

2. Assemble the transmitter to the sensor. Push the transmitter mounting screws through

the sensor mounting plate and insert the snap rings (optional) into the transmitter

mounting screw groove.

3. Wire the sensor to the transmitter (see Step 4:Connect the Wiring).

4. Insert the transmitter-sensor assembly into the connection head. Thread the transmitter

mounting screw into the connection head mounting holes. Assemble the extension to the

connection head. Insert the assembly into the thermowell.

5. Slip the shielded cable though the cable gland.

6. Attach a cable gland into the shielded cable.

7. Insert the shielded cable leads into the connection head through the cable entry.

Connect and tighten the cable gland.

8. Connect the shielded power cable leads to the transmitter power terminals. Avoid

contact with sensor leads and sensor connections.

9. Install and tighten the connection head cover. Enclosure covers must be fully engaged to

meet explosion-proof requirements.

A = 644H Transmitter D = Transmitter Mounting Screws

B = Connection Head E = Integral Mount Sensor with Flying Leads

C = Thermowell F = Extension

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Quick Installation Guide

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Rosemount 644

STEP 1 CONTINUED...

Typical Universal Head Installation

Head Mount Transmitter with Threaded Sensor

1. Attach the thermowell to the pipe or process container wall. Install and tighten

thermowells before applying process pressure.

2. Attach necessary extension nipples and adapters to the thermowell. Seal the nipple and

adapter threads with silicone tape.

3. Screw the sensor into the thermowell. Install drain seals if required for severe

environments or to satisfy code requirements.

4. Pull the sensor wiring leads through the universal head and transmitter. Mount the

transmitter in the universal head by threading the transmitter mounting screws into the

universal head mounting holes.

5. Mount the transmitter-sensor assembly into the thermowell. Seal adapter threads with

silicone tape.

6. Install conduit for field wiring to the conduit entry of the universal head. Seal conduit

threads with PTFE tape.

7. Pull the field wiring leads through the conduit into the universal head. Attach the sensor

and power leads to the transmitter. Avoid contact with other terminals.

8. Install and tighten the universal head cover. Enclosure covers must be fully engaged to

meet explosion-proof requirements.

A = Threaded Thermowell D = Universal Head (transmitter inside)

B = Threaded Style Sensor E = Conduit Entry

C = Standard Extension

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Quick Installation Guide

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July 2010 Rosemount 644

STEP 2: WIRE AND APPLY POWER

• Wiring diagrams are located inside the terminal block cover and on the transmitter top

label.

• An external power supply is required to power a Profibus segment.

• The power required across the transmitter power terminals is 9 to 32 VDC (the power

terminals are rated to 32 VDC). To prevent damaging the transmitter, do not allow

terminal voltage to drop below 9 VDC when changing the configuration parameters.

Power Filter

A Profibus segment requires a power conditioner to isolate the power supply filter and

decouple the segment from other segments attached to the same power supply.

Power the Transmitter

1. Remove the terminal block cover (if applicable).

2. Connect the power lead to the power terminals (The 644 power terminals are polarity

insensitive for the Profibus protocol.)

3. Tighten the terminal screws. When tightening the sensor and power wires, the max

torque is 6 in.-lbs. (0.7 N-m).

4. Reattach and tighten the cover (if applicable).

5. Apply power (9 – 32 VDC).

Sensor Connections Diagram

* The transmitters must be configured for at least a 3-wire RTD in order to recognize an RTD with a

compensation loop.

** Emerson Process Management provides 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.

1 2 3 4

Sensor Terminals

Communication Terminals

Power Terminals

2-wire

RTD and ⍀3-wire RTD

and ⍀4-wire RTD

and ⍀T/C

and mV

** *

1234 1234 1234 1234

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July 2010

Rosemount 644

STEP 2 CONTINUED...

Typical Configuration for Profibus Networking

NOTE

1. Each segment in a Profibus trunk must be terminated at both ends.

2. Some DP/PA couplers contain the power supply, one terminator, and the power

conditioner within the coupling device.

3. The configuration tool is typically located in the control room.

Ground the Transmitter

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).

Option 1:

1. Connect sensor wiring shield to the transmitter housing.

2. Ensure the sensor shield is electrically isolated from surrounding fixtures that may be

grounded.

3. Ground signal wiring shield at the power supply end.

Profibus DP

RS-485 up to 12 MBd

PROFIBUS

Class 2

Master

(Configuration

Tool)

Terminators

6234 ft. (1900m) max

(Depending on cable characteristics)

Profibus PA

MBP-IS at 31.25KBd

Power/

Signal

Wiring

DP/PA

Coupler

Profibus Transmitter

Profibus Loop

Sensor Wires

Shield ground point

Transmitter

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July 2010 Rosemount 644

STEP 2 CONTINUED...

Option 2:

1. Connect signal wiring shield to the sensor wiring shield.

2. Ensure the two shields are tied together and electrically isolated from the transmitter

housing.

3. Ground shield at the power supply end only.

4. Ensure that the sensor shield is electrically isolated from the surrounding grounded

fixtures.

Option 3:

1. Ground sensor wiring shield at the sensor, if possible.

2. Insure 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. Ground signal wiring shield at the power supply end.

Grounded Thermocouple Inputs

Option 4

1. Ground sensor wiring shield at the sensor.

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. Ground signal wiring shield at the power supply end.

Sensor Wires Profibus Loop

Shield ground point

Connect shields together, electrically isolated from the transmitter

Transmitter

Profibus LoopSensor Wires

Shield ground point

Transmitter

Profibus Loop

Sensor Wires

Shield ground point

Transmitter

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Rosemount 644

STEP 3: VERIFY TAGGING

STEP 4: TRANSMITTER CONFIGURATION

Each Profibus capable host or configuration tool has a different way of displaying and

performing configurations. Some use Device Descriptions (DD) or DD methods for

configuration and to display data consistently across platforms. There is no requirement that

a host or configuration tool support these features. The following is the minimum

configuration requirement for a temperature measurement. This guide is designed for

systems not using DD methods. For a complete list of parameters and configuration

information refer to the Rosemount 644 Head and Rail Mount Temperature Transmitter

reference manual (document number 00809-0100-4728).

The 644 must be configured via a Class 2 master (DD or DTM based). The basic

configuration tasks for the Profibus PA Temperature Transmitter include:

1. Assign Address

2. Set Sensor Type and Connection

3. Configure Engineering Units

Assign Address

The Rosemount 644 Pressure Transmitter is shipped with a temporary address of 126. This

must be changed to a unique value between 0 and 125 in order to establish communication

with the host. Usually, addresses 0-2 are reserved for masters or couplers, therefore

transmitter addresses between 3 and 125 are recommended.

NOTE:

When shipped from the factory Rosemount 644 Profibus Profile 3.02 devices are defaulted

in Identification Number ADAPTATION MODE. This mode allows the transmitter to

communicate with any Profibus control host with either the generic Profile GSD file (9700) or

the Rosemount 644 specific GSD (4153) loaded in the host; therefore, if is not required to

change the transmitter identification number at startup.

Commissioning (Paper) Tag

To identify which device is at a particular location use

the removable tag provided with the transmitter.

Ensure that the physical device tag (PD Tag field) is

properly entered in both places on the removable

commissioning tag and tear off the bottom portion for

each transmitter.

NOTE

The device description loaded in the host system

must be at the same revision as this device. The

device description can be downloaded from

www.rosemount.com.

COMMISSIONING TAG

IDENT_NUMBERS 4153 [9700]

Device Address: ##

Physical Device Tag:

TT- 100

IDENT_NUMBERS 4153 [9700]

Device Address: ##

Mod S/N: 0x########

Physical Device Tag:

TT- 100

Tear Here

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Transducer Function Block

This block contains temperature measurement data for the sensor and the terminal

temperature. It also includes information about sensor types, engineering units and

diagnostics. At a minimum, verify the parameters in Table 1.

Table 1. Transducer Block Parameters

Analog Input (AI) Function Block

The AI block processes field device measurements and makes the outputs available to other

function blocks. The output value of the AI block is in engineering units and contains a status

indicating the quality of the measurements. Use the Channel number to define the variable

that the AI block processes. At a minimum, verify the parameters of each AI block in Table 2.

Parameter Comments

Typical Configuration

LIN_TYPE example: “Pt 100_A_385 (IEC 751)”

SENSOR_CONNECTION example: “2-wire”, “3-wire”, “4-wire”

PRIMARY_VALUE_UNIT example: “Degrees C”

Sensor Matching Configuration

LIN_TYPE “User Defined, Calvandu”

SENSOR_CONNECTION example: “2-wire”, “3-wire”, “4-wire”

PRIMARY_VALUE_UNIT example: “Degrees C”

SENSOR_CAL_METHOD set to “User Trim Standard”

CAL_VAN_DUSEN_COEFF.A enter sensor specific coefficients

CAL_VAN_DUSEN_COEFF.B enter sensor specific coefficients

CAL_VAN_DUSEN_COEFF.C enter sensor specific coefficients

CAL_VAN_DUSEN_COEFF.R0 enter sensor specific coefficients

Table 2. AI Block Parameters

Parameter Comments

CHANNEL The CHANNEL parameter defines which transducer

block measurement is used by the AI block. In the 644

Transmitter, the channel will always be set to Sensor 1.

There is no other option for this variable.

LIN_TYPE This parameter defines the relationship between the

block input and the block output. Since the 644

Transmitter does not require linearization, this

parameter will always be set to No Linearization. This

means that the AI block will only apply scaling, filtering,

and limit checking to the input value.

PV_SCALE Set desired measurement range and units. Units must

be one of the following:

•mV

•Ohms

•°C

•°F

•°R

•K

OUT_SCALE For “DIRECT”, set OUT_SCALE to match PV_SCALE

HI_HI_LIM

HI_LIM

LO_LIM

LO_LO_LIM

Process alarms.

Must be within the range defined by “OUT_SCALE”

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Quick Installation Guide

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Rosemount 644

Physical Block

The Physical Block encompasses all parameters and functions required to identify the

hardware and software (revision numbers, status values, device address etc.) of the device.

The IDENT_NUMBER_SELECTOR parameter is used to change how the host sees the

device.

Host Integration

Control Host (Class 1)

The Rosemount 644 device utilizes Condensed Status as recommended by the Profile 3.02

specification and NE 107. See manual for Condensed Status bit assignment information.

The appropriate GSD file must be loaded on the control host - Rosemount 644 specific

(rmt4053.gsd) or Profile 3.02 Generic (pa139700.gsd). These files can be found on

www.emersonprocess.com\rosemount or www.profibus.com.

Configuration Host (Class 2)

The appropriate DD or DTM file must be installed in the configuration host. These files can

be found at www.emersonprocess.com/rosemount.

PRODUCT CERTIFICATIONS

Approved Manufacturing Locations

Emerson Process Management Rosemount Division. – Chanhassen, Minnesota, USA

Rosemount Temperature GmbH – Germany

Emerson Process Management Asia Pacific – Singapore

European Union Directive Information

The EC declaration of conformity for all applicable European directives for this product can

be found on the Rosemount website at www.rosemount.com. A hard copy may be obtained

by contacting our local sales representative.

ATEX Directive (94/9/EC)

Rosemount Inc. complies with the ATEX Directive.

CE Electromagnetic Compatibility Compliance Testing

The 644 meets the criteria under IEC 61326:2006

Table 3. Physical Block Parameter

Parameter Comments

IDENT_NUMBER_SELECTOR Can be changed to Profile Specific, Manufacturer

Specific or Adaptation Mode.

Default to Adaptation Mode the Host chooses which

file (GSD) it wants to use; whether to view the device

GSD file in a generic or a manufacturer specific way.

Profile Specific mode shows the generic GSD

associated with the Profibus Profile version (9700) of

the device and Manufacturer Specific Mode displays

the GSD file with parameters specific to the

Rosemount 644.

4728_Rev AA.fm Page 10 Thursday, July 29, 2010 11:41 AM

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