Siemens 7MF0320

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

Siemens 7MF0320 Specifications

General

Brand	Siemens
Model	7MF0320
Category	Transmitter
Language	English

Summary

Getting started

1.1 Commissioning the device without display

Learn how to commission the device step-by-step. Includes safety info and procedure.

1.2 Commissioning the device with display

Safety instructions

3.1 Precondition for use

Emphasizes observing instructions and symbols on the device for safe operation.

3.1.1 Warning symbols on the device

Explains the meaning of warning symbols found on the device.

3.3 Use in hazardous areas

Details qualifications required for personnel working in hazardous areas.

Installingmounting

4.1 Basic safety instructions

Covers safety precautions for pressure applications, wetted parts, and operating pressure.

4.1.1 Installation location requirements

4.1.2 Proper mounting

4.2 Installation (except level)

4.3 Installation (level)

4.4 Removing

Connecting

5.1 Basic safety instructions

Covers safety for cables, glands, plugs, conduit systems, and cable ends in hazardous areas.

5.2 Connecting the device

Explains how to open the device to access the electrical compartment.

5.2.3 Closing the device

Commissioning

6.1 Basic safety instructions

Covers safety for toxic gases/liquids, hazardous areas, and pending errors.

6.2 Switching on the supply voltage

Describes requirements and considerations for switching on the supply voltage.

6.3 Commissioning the device

Ensures operating data matches nameplate values and discusses parameter settings.

6.4 gauge pressure, absolute pressure from the differential pressure series and absolute pressure from the gauge pressure series

6.4.1 Commissioning for gases

6.4.2 Commissioning with steam or liquid

6.5 Differential pressure and flow rate

6.5.1 Commissioning in gaseous environments

6.5.2 Commissioning for liquids

6.5.3 Commissioning with vapor

Service and maintenance

7.1 Basic safety instructions

Covers periodic inspection, computer use in hazardous areas, and dust layers.

7.3 Maintenance and repair work

Emphasizes that repair and maintenance must be done by authorized personnel.

7.3.1 Defining the maintenance interval

7.3.3 Diagnostics messages

Explains how diagnostics are signaled via display, current output, or HART.

Technical data

8.1 Input

8.2 Measuring accuracy of SITRANS P320

Details accuracy specifications, reference conditions, and error factors for SITRANS P320.

8.3 Measuring accuracy of SITRANS P420

Details accuracy specifications, reference conditions, and error factors for SITRANS P420.

8.4 Operating conditions

8.5 Vibration resistance

8.6 Construction

8.7 Torques