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Siemens 7MF0340

Siemens 7MF0340
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SITRANS P
Pressure transmitter
SITRANS P320/P420 with 4 to 20
mA/HART
Compact Operating Instructions
7MF03..-.....-.... (SITRANS P320)
7MF04..-.....-.... (SITRANS P420)
09/2018
A5E38874562-AB
Getting started
1
Introduction
2
Safety instructions
3
Installing/mounting
4
Connecting
5
Commissioning
6
Service and maintenance
7
Technical data
8
Appendix A
A

Table of Contents

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Siemens 7MF0340 Specifications

General IconGeneral
Model7MF0340
Device TypePressure Transmitter
ManufacturerSiemens
Measurement PrinciplePiezoresistive
Input SignalPressure
Housing MaterialStainless Steel
MaterialStainless Steel
Output Signal4 to 20 mA
Protection ClassIP65
Operating Temperature-40 to 85°C

Summary

Getting started

1.1 Commissioning the device without display

Step-by-step guide for commissioning the device without its display unit.

1.2 Commissioning the device with display

Detailed procedure for commissioning the device when equipped with a display.

Safety instructions

3.1 Precondition for use

Essential conditions to maintain the device's status and ensure safe operation, including observing symbols.

3.3 Use in hazardous areas

Specific safety precautions and qualifications required for operating the device in potentially explosive environments.

Installingmounting

4.1 Basic safety instructions

General safety guidelines to prevent injury or damage during installation and mounting procedures.

4.1.1 Installation location requirements

Criteria for selecting an appropriate installation site, considering environmental factors and protection.

4.1.2 Proper mounting

Guidelines for correct mounting techniques to ensure device integrity and preserve its protection type.

4.2 Installation (except level)

Instructions for installing the device in various configurations, excluding level measurement applications.

4.3 Installation (level)

Specific instructions for installing the device when used for level measurement applications.

Connecting

5.1 Basic safety instructions

Essential safety measures to be observed when connecting the device, especially in hazardous areas.

5.2 Connecting the device

Step-by-step guide for electrically connecting the pressure transmitter to the system.

5.2.2 Connecting the device

Detailed instructions on making the electrical connections, including grounding and terminal connections.

Commissioning

6.1 Basic safety instructions

Crucial safety guidelines to follow before and during the commissioning process.

6.2 Switching on the supply voltage

Procedures and safety notes related to powering up the device after connection.

6.3 Commissioning the device

General steps and considerations for setting up the device for operation after installation.

6.5 Differential pressure and flow rate

Instructions for commissioning the device for differential pressure and flow rate measurements.

Service and maintenance

7.1 Basic safety instructions

Fundamental safety precautions to observe during inspection, maintenance, and repair activities.

7.3 Maintenance and repair work

Guidelines and warnings related to performing maintenance and repair on the device.

Technical data

8.1 Input

Provides input specifications for various measurement types like gauge pressure, absolute pressure, and level.

8.1.1 Gauge pressure

Detailed input specifications for gauge pressure measurements, including spans and limits.

8.1.2 Gauge pressure with front-flush diaphragm

Input specifications for gauge pressure when using a front-flush diaphragm.

8.1.3 Gauge pressure from the differential pressure series

Input specifications for gauge pressure derived from differential pressure series models.

8.1.4 Absolute pressure from the gauge pressure series

Input specifications for absolute pressure measurements from gauge pressure series.

8.2 Measuring accuracy of SITRANS P320

Specifies the measurement accuracy, conformity errors, and stability for SITRANS P320.

8.3 Measuring accuracy of SITRANS P420

Specifies the measurement accuracy, conformity errors, and stability for SITRANS P420.

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