Emerson Rosemount 148 Manuel utilisateur

Quick Start Guide

00825-0200-4148, Rev AA

April 2019

Rosemount™ 148 Temperature

Transmitter

Safety Messages

NOTICE

This guide provides basic guidelines for installing the Rosemount™ 148 Temperature Transmmitter. It

does not provide instructions for detailed configuration, diagnostics, maintenance, service,

troubleshooting, or installations. Refer to the Rosemount 148 Temperature Transmitter Reference

Manual for more instruction. The manual and this guide are also available electronically at

Emerson.com/Rosemount.

WARNING

Explosions

Explosions could result in death or serious injury.

Installation of device in an explosive environment must be in accordance with appropriate

local, national, and international standards, codes, and practices.

Review the Hazardous Locations Certifications for any restricions associated with a safe

installation.

WARNING

Process leaks

Process leaks could result in death or serious injury.

Install and tighten thermowells or sensors before applying pressure.

Do not remove the thermowell while in operation.

WARNING

Electrical shock

Electrical shock could cause death or serious injury.

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

electrical shock.

WARNING

Conduit/cable entries

Unless marked, the conduit/cable entries in the transmitter housing use a ½-14 NPT thread

form. Entries marked "M20" are M20 X 1.5 thread form. On devices with multiple conduit

entries, all entries 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,

glands, or adapters in cable/conduit entries.

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2 Rosemount 148

WARNING

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 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.

Contents

Software installation.................................................................................................................... 5

Configuration...............................................................................................................................6

Mount the transmitter..................................................................................................................7

Connect the wiring.....................................................................................................................12

Product certifications................................................................................................................. 17

April 2019 Quick Start Guide

Quick Start Guide 3

Quick Start Guide April 2019

4 Rosemount 148

1 Software installation

Procedure

1. Place the Rosemount™ 148 PC Programmer CD_ROM into the drive.

2. Run setup.exe from Windows™ XP, 7, 8, or 10.

3. When first using the software, configure the appropriate COM ports

by selecting Port Settings from the Communicate menu.

4. Install MACTek® Modem drivers completely before beginning bench

configuration on the Rosemount 148 system.

Note

The software defaults to the first available COM port.

April 2019 Quick Start Guide

Quick Start Guide 5

2 Configuration

2.1 Configuring the Rosemount 148 Temperature

Transmitter

The Rosemount 148 must be configured for certain basic variables to

operate. Transmitters are pre-configured in the factory to order

specifications or factory defaults. Configuration may be required if the

transmitter is not configured or if the configuration variables need revision.

This can be done in two ways: by ordering factory-configuration by Emerson

Automation Solutions, or by using the Rosemount 148 PC Programming

interface in a bench configuration setting. The Rosemount 148 PC

Programming Kit includes configuration software and a communication

modem. The Rosemount 148 device will need an external power supply of

12–42.4 Vdc for configuration. To configure the transmitter:

Procedure

1. Hook up the transmitter and a load resistor (250–1100 ohms) wired

in series with the power supply.

2. Attach the Modem in parallel with the load resistor and connect it to

the PC.

2.2 Verify the transmitter configuration

If the transmitter has a sensor connected (either a test sensor or actual

installation hardware), the configuration can be checked using the

Information tab on the Rosemount 148 PC Programmer interface. Select

Refresh to update the status and confirm that the transmitter has been

configured correctly. If there are any problems, refer to the Rosemount 148

Temperature Transmitter Reference Manual for troubleshooting

suggestions.

Quick Start Guide April 2019

6 Rosemount 148

3 Mount the transmitter

3.1 Typical European and Asia Pacific installation

Head mount transmitter with DIN plate style sensor

Procedure

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

and tighten thermowells before applying process pressure.

2. Assemble the transmitter to the sensor.

a) Push the transmitter mounting screws through the sensor

mounting plate.

b) Push the transmitter mounting screws through the sensor

mounting plate.

3. Wire the sensor to the transmitter.

4. 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.

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.

April 2019 Quick Start Guide

Quick Start Guide 7

Figure 3-1: Typical European and Asia Pacific Installation

A. Transmitter mounting screws

B. Rosemount 148 Transmitter

C. Integral mount sensor with flying leads

D. Connection head

E. Extension

F. Thermowell

3.2 Typical North and South American install

Head mount transmitter with threaded sensor.

Procedure

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

and tighten the thermowell before applying process pressure.

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

Seal the nipple and adapter threads with silicone tape.

3. Seal the nipple and adapter threads with silicone tape.

4. Screw the sensor into the thermowell. Install drain seals if required

for severe environments or to satisfy code requirements.

5. Pull the sensor wiring leads through the universal head and

transmitter.

6. Mount the transmitter in the universal head by threading the

transmitter mounting screws into the universal head mounting

holes.

7. Mount the transmitter-sensor assembly into the thermowell. Seal

adapter threads with silicone tape.

8. Install conduit for field wiring to the conduit entry of the universal

head. Seal conduit threads with silicone tape.

9. Pull the field wiring leads through the conduit into the universal

head.

10. Attach the sensor and power leads to the transmitter. Avoid contact

with other terminals.

Quick Start Guide April 2019

8 Rosemount 148

11. Install and tighten the universal head cover.

Note

Enclosure covers must be fully engaged to meet explosion-proof

requirements.

Example

Figure 3-2: Typical North and South American Installation

A. Threaded thermowell

B. Standard extension

C. Threaded style sensor

D. Universal head

E. Conduit entry

3.3 Mount the Rosemount 148H to a DIN rail

To attach the Rosemount 148H to a DIN rail, assemble the appropriate

railmounting kit (part number 00248-1601-0001) to the transmitter as

shown.

April 2019 Quick Start Guide

Quick Start Guide 9

Figure 3-3: Mounting to DIN Rail

A. Mounting hardware

B. Transmitter

C. Rail clip

3.4 Rail mount transmitter with remote mount sensor

The least complicated assembly uses:

•Remote mounted transmitter

•Integral mount sensor with terminal block

•Integral style connection head

•Standard extension

•Threaded thermowell

Refer to the Metric Sensor Product Data Sheet for complete sensor and

mounting accessory information.

3.5 Rail mount transmitter with threaded sensor

The least complicated assembly uses:

Quick Start Guide April 2019

10 Rosemount 148

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