Emerson Rosemount 550PT Manuel utilisateur
Quick Start Guide
00825-0100-5550, Rev AB
March2023
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 March2023
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.
March2023 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 March2023
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 Step1.
March2023 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 March2023
6 Emerson.com/Rosemount
4 Dimensional drawings
Figure 4-1: Rosemount 550PT Single-Use Pressure Transmitter
Æ
Æ
Æ
Note
Measurements are in in. (mm).
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Quick Start Guide 7
Figure 4-2: Rosemount 551 Single-Use Process Connector
Note
Measurements are in in. (mm).
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8 Emerson.com/Rosemount
Figure 4-3: Rosemount 550PT and 551 Assembly
A
B
C
A. Transmitter
B. Clamp
C. Process connector
Note
Measurements are in in. (mm).
March2023 Quick Start Guide
Quick Start Guide 9
5 EU Declaration of Conformity
Quick Start Guide March2023
10 Emerson.com/Rosemount
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