Emerson Rosemount 550PT Bedienungsanleitung

Quick Start Guide

00825-0100-5550, Rev AB

March2023

Rosemount™ 550PT Pressure

Transmitter

and 551 Single-Use Process Connector

Safety messages

This guide provides basic guidelines for this product. It does not provide instructions

for configuration, diagnostics, maintenance, service, or troubleshooting. Procedures and

instructions in this section may require special precautions to ensure the safety of personnel

performing the operation.

CAUTION

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 your local Emerson Sales Representative.

WARNING

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.

Process leaks may cause harm or result in death.

Install and tighten process connectors before applying pressure.

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.

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 in 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

Introduction..................................................................................................................................3

Installation.................................................................................................................................... 4

Troubleshooting...........................................................................................................................6

Dimensional drawings.................................................................................................................7

EU Declaration of Conformity...................................................................................................10

Quick Start Guide March2023

2 Emerson.com/Rosemount

1 Introduction

The Rosemount 550PT is a pressure transmitter designed for use

with the Rosemount 551 Single-Use Process Connector in single-

use pharmaceutical manufacturing. The Rosemount 551 provides a

sterile barrier to contain the process and transfer pressure to the

transmitter which converts the reading into a 4-20 mA output signal.

1.1 About this guide

This guide provides basic guidelines for the Rosemount 550PT

Transmitter. It does not provide instructions for configuration,

diagnostics, maintenance, or service. This guide is also available

electronically at Emerson.com/Rosemount.

March2023 Quick Start Guide

Quick Start Guide 3

2 Installation

2.1 Insert the Rosemount 551 into the process

equipment

CAUTION

Do not push directly on the isolating diaphragm during assembly as

this can damage and possibly rupture the barrier.

Procedure

1. Insert the Rosemount 551 into a ½-in. port or tubing by

pressing on the protective cap.

2. Secure with a cable tie.

2.2 Wire the transmitter

Procedure

1. Ensure a tight connection between the cable and 6-pin

connector.

There will be an audible click when cable is completely

connected.

Note

The Emerson supplied cable must be used to ensure proper

electrical connection and prevent damage to the transmitter.

2. Connect the two wires to a data acquisition system that

supplies 24 Vdc of power.

Note

Transmitter requires between 20-28 Vdc under normal

operating conditions. A loop impedance of 250 Ohms is

recommended.

2.3 Connect the transmitter

Prerequisites

Ensure no external pressure is applied to the single-use connector.

Procedure

1. Remove the protective cap from the single-use process

connector.

Quick Start Guide March2023

4 Emerson.com/Rosemount

2. Place the flange of the single-use process connector into the

transmitter and attach using a ½ / ¾-in Tri Clamp (Rosemount

part # 00550-3100-0001).

3. Tighten the Tri Clamp until the connection is finger-tight and

feels secure.

CAUTION

Over-tightening can lead to degraded performance over time.

4. Orient the transmitter to the position in which it will be used

(see Figure 4-3).

2.4 Set the transmitter zero point

Prerequisites

Ensure the transmitter is powered on and no pressure (other than

the desired zero point) is applied to the sensor.

Procedure

1. Place magnet over the circle on the transmitter labeled “Place

magnet here” and hold for one second.

Figure 2-1: Transmitter

2. As soon as the LED blinks (about one second), remove the

magnet.

The zero point is saved.

Need help?

If more than 1.5 psig is applied to the transmitter during

this process, then this step will fail (indicated by three brief

LED flashes). If this happens, then ensure minimal pressure is

being applied to the transmitter and repeat Step1.

March2023 Quick Start Guide

Quick Start Guide 5

3 Troubleshooting

3.1 Transmitter will not zero despite having no pressure

applied

CAUTION

Before continuing, ensure no pressure is applied to single-use

process connector.

Solution: Factory reset required

Recommended actions

1. Disconnect the process connector from the transmitter.

2. Attempt a zero (see Set the transmitter zero point).

•If the zero was successful with no process connector

attached, then reattach the transmitter with the clamp.

•If the zero was unsuccessful, then perform a factory

reset by holding a magnet on the magnet point for

four seconds.

3. Perform the zero function again with the clamp applied.

•If the zero procedure fails, then perform a factory reset

by holding a magnet on the magnet point for four

seconds.

•If the factory reset is successful, then the LED will

illuminate for four seconds before returning to factory

calibration.

•If this procedure fails, then contact your local Emerson

representative.

Quick Start Guide March2023

6 Emerson.com/Rosemount

4 Dimensional drawings

Figure 4-1: Rosemount 550PT Single-Use Pressure Transmitter

Note

Measurements are in in. (mm).

March2023 Quick Start Guide

Quick Start Guide 7

Figure 4-2: Rosemount 551 Single-Use Process Connector

Note

Measurements are in in. (mm).

Quick Start Guide March2023

8 Emerson.com/Rosemount

Figure 4-3: Rosemount 550PT and 551 Assembly

A. Transmitter

B. Clamp

C. Process connector

Note

Measurements are in in. (mm).

March2023 Quick Start Guide

Quick Start Guide 9

5 EU Declaration of Conformity

Quick Start Guide March2023

10 Emerson.com/Rosemount

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