Endress+Hauser Deltabar M PMD55 Technische Daten

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Brief Operating Instructions

Deltabar M PMD55

Differential pressure measurement

FOUNDATION Fieldbus

Differential pressure transmitter with metallic

measuring cell

These Brief Operating Instructions are not a substitute for the

Operating Instructions pertaining to the device.

Detailed information about the device can be found in the

Operating Instructions and the additional documentation.

Available for all device versions via

• Internet: www.endress.com/deviceviewer

• Smartphone/tablet: Endress+Hauser Operations app

KA01029P/00/EN/06.21-00

71549529

2021-09-30

Associated documentation Deltabar M PMD55 FOUNDATION Fieldbus

2 Endress+Hauser

1 Associated documentation

Order code:

Ext. ord. cd.:

Ser. no.:

www.endress.com/deviceviewer Endress+Hauser

Operations App

XXXXXXXXXXXX

XXXXX-XXXXXX

XXX.XXXX.XX

Serial number

A0023555

2 About this document

2.1 Document function

The Brief Operating Instructions contain all the essential information from incoming

acceptance to initial commissioning.

Deltabar M PMD55 FOUNDATION Fieldbus About this document

Endress+Hauser 3

2.2 Symbols used

2.2.1 Safety symbols

DANGER

This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in

serious or fatal injury.

WARNING

This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in

serious or fatal injury.

CAUTION

This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in

minor or medium injury.

NOTICE

This symbol contains information on procedures and other facts which do not result in

personal injury.

2.2.2 Electrical symbols

Protective earth (PE)

Ground terminals that must be connected to ground prior to establishing any other

connections.

The ground terminals are located on the interior and exterior of the device:

• Interior ground terminal: protective earth is connected to the mains supply.

• Exterior ground terminal: device is connected to the plant grounding system.

2.2.3 Symbols for certain types of information and graphics

Symbols for certain types of information and graphics

Permitted

Procedures, processes or actions that are permitted

Forbidden

Procedures, processes or actions that are forbidden

Tip

Indicates additional information

Reference to documentation

Reference to page

Visual inspection

Notice or individual step to be observed

Basic safety instructions Deltabar M PMD55 FOUNDATION Fieldbus

4 Endress+Hauser

1, 2, 3, ...

Item numbers

Series of steps

Result of a step

2.3 Registered trademarks

FOUNDATIONTM Fieldbus

Registered trademark of the FieldComm Group, Austin, USA

3 Basic safety instructions

3.1 Requirements for the personnel

Personnel must meet the following requirements for their tasks:

‣Trained, qualified specialists must be suitably qualified to perform this function and task

‣Are authorized by the plant owner/operator

‣Are familiar with federal/national regulations

‣They must have read and understood the instructions in the manual, supplementary

documentation and certificates (depending on the application) prior to starting work

‣They must follow instructions and comply with basic conditions

3.2 Intended use

The Deltabar M is a differential pressure transmitter for measuring differential pressure, flow

and level.

3.2.1 Foreseeable incorrect use

The manufacturer is not liable for damage caused by improper or non-intended use.

Verification for borderline cases:

‣For special fluids and fluids for cleaning, Endress+Hauser is glad to provide assistance in

verifying the corrosion resistance of fluid-wetted materials, but does not accept any

warranty or liability.

3.3 Workplace safety

For work on and with the device:

‣Wear the required personal protective equipment according to federal/national

regulations.

‣Switch off the supply voltage before connecting the device.

Deltabar M PMD55 FOUNDATION Fieldbus Basic safety instructions

Endress+Hauser 5

3.4 Operational safety

Risk of injury!

‣Operate the device in proper technical condition and fail-safe condition only.

‣The operator is responsible for interference-free operation of the device.

Conversions to the device

Unauthorized modifications to the device are not permitted and can lead to unforeseeable

dangers:

‣If, despite this, modifications are required, consult with Endress+Hauser.

Repair

To ensure continued operational safety and reliability:

‣Carry out repairs on the device only if they are expressly permitted.

‣Observe federal/national regulations pertaining to repair of an electrical device.

‣Use original spare parts and accessories from Endress+Hauser only.

Hazardous area

To eliminate a danger for persons or for the facility when the device is used in the hazardous

area (e.g. explosion protection, pressure vessel safety):

‣Based on the nameplate, check whether the ordered device is permitted for the intended

use in the hazardous area.

‣Observe the specifications in the separate supplementary documentation that is an integral

part of these Instructions.

3.5 Product safety

This measuring device is designed in accordance with good engineering practice to meet state-

of-the- art safety requirements, has been tested, and left the factory in a condition in which

they are safe to operate.

It fulfills general safety requirements and legal requirements. It also conforms to the EC

directives listed in the device-specific EC declaration of conformity. Endress+Hauser confirms

this fact by applying the CE mark.

Incoming acceptance and product identification Deltabar M PMD55 FOUNDATION Fieldbus

6 Endress+Hauser

4 Incoming acceptance and product identification

4.1 Incoming acceptance

DELIVERY NOTE

1 = 2

A0016870

• Is the order code on the delivery note (1) identical to the order code on the product sticker

(2)?

• Are the goods undamaged?

• Do the data on the nameplate correspond to the order specifications and the delivery note?

• Is the documentation available?

• If required (see nameplate): Are the safety instructions (XA) present?

If one of these conditions is not fulfilled, please contact your Endress+Hauser sales office.

4.2 Storage and transport

4.2.1 Storage conditions

Use original packaging.

Store the measuring device in clean and dry conditions and protect from damage caused by

shocks (EN 837-2).

4.2.2 Transporting the product to the measuring point

LWARNING

Incorrect transport!

Housing and membrane may become damaged, and there is a risk of injury!

‣Transport the measuring device to the measuring point in its original packaging or by the

process connection.

‣Follow the safety instructions and transport conditions for devices weighing more than 18

kg (39.6 lbs).

Deltabar M PMD55 FOUNDATION Fieldbus Mounting

Endress+Hauser 7

5 Mounting

5.1 Mounting requirements

5.2 Installing the

NOTICE

Incorrect handling!

Damage of the device!

‣Disassembly of the screws with item number (1) is not permissible under any

circumstances and will result in loss of warranty.

A0024166

5.2.1 Orientation

• Due to the orientation of the Deltabar M, there may be a shift in the measured value, i.e.

when the container is empty, the measured value does not display zero. You may correct

this zero point shift by a position adjustment in one of the following ways:

• Via the keys on the electronics module (→  16, "Function of the operating elements")

• Via the operating menu (, "Position adjustment")

• Refer to the relevant national or international standards for general recommendations on

laying the piping.

• Using a three-valve or five-valve manifold allows for easy commissioning, installation and

maintenance without interrupting the process.

• When routing the impulse piping outdoors, ensure that sufficient anti-freeze protection is

used, e.g. by using pipe heat tracing.

• Lay the piping with a monotonic gradient of at least 10 %.

• Endress+Hauser offers a mounting bracket for mounting on pipes or walls (, "Wall and pipe

mounting (optional)").

Installation position for flow measurement

Flow measurement in gases

Mount the Deltabar M above the measuring point so that the condensate which may be

present, can run off into the process piping.

Mounting Deltabar M PMD55 FOUNDATION Fieldbus

8 Endress+Hauser

Flow measurement in vapors

• Mount the Deltabar M below the measuring point.

• Mount the condensate traps at the same level as the tapping points and at the same

distance to the Deltabar M.

• Prior to commissioning, fill the impulse piping to the height of the condensate traps.

Flow measurement in liquids

• Mount the Deltabar M below the measuring point so that the impulse piping is always filled

with liquid and gas bubbles can run back into the process piping.

• When measuring in media with solid parts, such as dirty liquids, installing separators and

drain valves is useful for capturing and removing sediment.

Installation position for level measurement

Level measurement in an open container

• Mount the Deltabar M below the lower measuring connection so that the impulse piping is

always filled with liquid.

• The low-pressure side is open to atmospheric pressure.

• When measuring in media with solid parts, such as dirty liquids, installing separators and

drain valves is useful for capturing and removing sediment.

Level measurement in a closed container

• Mount the Deltabar M below the lower measuring connection so that the impulse piping is

always filled with liquid.

• Always connect the low-pressure side above the maximum level.

• When measuring in media with solid parts, such as dirty liquids, installing separators and

drain valves is useful for capturing and removing sediment.

Level measurement in a closed container with superimposed steam

• Mount the Deltabar M below the lower measuring connection so that the impulse piping is

always filled with liquid.

• Always connect the low-pressure side above the maximum level.

• A condensate trap ensures constant pressure on the low-pressure side.

• When measuring in media with solid parts, such as dirty liquids, installing separators and

drain valves is useful for capturing and removing sediment.

Installation position for differential pressure measurement

Differential pressure measurement in gases and vapors

• Mount the Deltabar M above the measuring point so that the condensate which may be

present, can run off into the process piping.

• The low-pressure side is open to atmospheric pressure.

• When measuring in media with solid parts, such as dirty liquids, installing separators and

drain valves is useful for capturing and removing sediment.

Deltabar M PMD55 FOUNDATION Fieldbus Mounting

Endress+Hauser 9

Differential pressure measurement in liquids

• Mount the Deltabar M below the measuring point so that the impulse piping is always filled

with liquid and gas bubbles can run back into the process piping.

• When measuring in media with solid parts, such as dirty liquids, installing separators and

drain valves is useful for capturing and removing sediment.

5.2.2 Wall and pipe-mounting

Endress+Hauser offers the following mounting brackets for installing the device on pipes or

walls:

Standard design Heavy-duty version

A0031326 A0031327

The standard mounting bracket version is not suitable for use in an application subject to

vibrations.

The vibration resistance of the heavy-duty version of the mounting bracket has been

tested according to IEC 61298-3, see the "Vibration resistance" section in the Technical

Information.

When using a valve block, the block's dimensions must be taken into account.

Bracket for wall and pipe mounting including retaining bracket for pipe mounting and two

nuts.

Technical data (e.g. dimensions or order numbers for screws) see accessory document

SD01553P/00/EN.

Mounting Deltabar M PMD55 FOUNDATION Fieldbus

10 Endress+Hauser

Please note the following when mounting:

• To prevent the mounting screws from scoring, lubricate them with a multi-purpose grease

prior to mounting.

• In the case of pipe mounting, the nuts on the bracket must be tightened uniformly with a

torque of at least 30 Nm (22.13 lbf ft).

• For installation purposes, only use the screws with item number (2) (see the following

diagram).

NOTICE

Incorrect handling!

Damage of the device!

‣Disassembly of the screws with item number (1) is not permissible under any

circumstances and will result in loss of warranty.

A0024167

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