Endress+Hauser Prowirl 77 User manual

prowirl 77

Vortex Flow Measuring

System

(PROFIBUS-PA)

Operating Manual

Hauser+Endress

The Power of Know How

BA 037D/06/en/03.00

No. 50090715

CV 5.0

valid as of software version

PW77 PA V1.00.XX



Prowirl 77 PROFIBUS-PA

2 Endress+Hauser

Contents

1 Safety Instructions . . . . . . . . 5

1.1 Correct usage . . . . . . . . . . . 5

1.2 Dangers and Notes . . . . . . . . . 5

1.3 Operational safety . . . . . . . . . . 5

1.4 Personnel for Installation, Start-up and

Operation . . . . . . . . . . . . . 6

1.5 Repairs, Dangerous Chemicals . . . . . 6

1.6 Technical Improvements . . . . . . . 6

2 System Description . . . . . . . 7

2.1 Prowirl 77 Measuring System . . . . . 7

3 Mounting and Installation . . . . 9

3.1 General Information . . . . . . . . . 9

3.2 Installation . . . . . . . . . . . . . 10

3.3 Mounting the Flowmeter . . . . . . . 13

3.4 Rotating the electronics housing . . . . 14

4 Electrical Connection . . . . . 15

4.1 Connecting the Transmitter . . . . . . 15

4.2 Wiring Diagram . . . . . . . . . . . 15

5 Communication . . . . . . . . 17

5.1 PROFIBUS-PA interface . . . . . . . 17

5.2 Configuration of Device Address . . . . 18

5.3 System integration . . . . . . . . . . 19

5.4 Cyclic Data Transfer (Data_Exchange) . . 20

5.5 Acyclic Data Transfer . . . . . . . . 23

5.6 Prowirl 77 Slot / Index list . . . . . . . 24

5.7 Operation . . . . . . . . . . . . . 27

6 Device Functions . . . . . . . 29

6.1 Commuwin II operating matrix . . . . . 29

6.2 Functions descriptions . . . . . . . . 33

7 Trouble-shooting . . . . . . . 45

8 Dimensions and Weights . . . . 49

8.1 Dimensions Prowirl 77 W . . . . . . . 49

8.2 Dimensions Prowirl 77 F . . . . . . . 50

8.3 Dimensions Prowirl 77 H . . . . . . . 52

8.4 Dimensions Flow Conditioner (DIN) . . . 53

8.5 Dimensions Flow Conditioner (ANSI) . . 54

9 Technical Data . . . . . . . . 55

9.1 Measuring Ranges (Sensor) . . . . . . 60

10 Index . . . . . . . . . . . . 61

Prowirl 77 PROFIBUS-PA

Endress+Hauser 3

Registered Trademarks

PROFIBUS®

Registered trademark of PROFIBUS Trade Organization PTO, Karlsruhe, Germany

HART®

Registered trademark of the HART Communication Foundation, Austin, USA

KALREZ®, VITON®

Registered trademarks of E.I. Du Pont de Nemours & Co., Wilmington, USA

GYLON®

Registered trademark of Garlock Sealing Technologies, Palmyra, NY, USA

INCONEL®

Registered trademark of Inco Alloys International, Inc., Huntington, USA

Prowirl 77 PROFIBUS-PA

4 Endress+Hauser

1 Safety Instructions

1.1 Correct usage

•Prowirl 77 is only to be used for measuring the volumentric flowrate of saturated

steam, superheated steam, gases and liquids. If the process pressure and

temperature are constant, then Prowirl 77 can also indicate the flowrate in units of

mass, energy or corrected volume.

•The manufacturer assumes no liability for damage caused by incorrect use of the

instrument.

•Instruments which are ordered with hazardous area approvals are supplied with a

separate “Ex documentation”, which is an integral part of this Operating Manual.

The instructions and connected loads provided in this supplement must be closely

observed! An appropriate pictogram is shown on the front page of the

Ex documentation according to the approval given and the test centre.

1.2 Dangers and Notes

All instruments are designed to meet state-of-the-art safety requirements, have been

tested, and have left the works in an operationally perfectly safe condition.

The devices were developed according to EN 61010 “Protection Measures for

Electrical Equipment for Measurement, Control, Regulation and Laboratory Proce-

dures”. A hazardous situation may occur if the flowmeter is not used for the purpose it

was designed for or is used incorrectly. Please carefully note the information

provided in this Operating Manual indicated by the pictograms:

Warning!

A “warning” indicates actions or procedures which, if not performed correctly, may

lead to personal injury or a safety hazard.

Please strictly observe the instructions supplied and proceed carefully.

Caution!

A “caution” indicates actions or procedures which, if not performed correctly, may

lead to faulty operation or destruction of the instrument. Please strictly observe the

respective instructions.

Note!

A “note” indicates actions or procedures which, if not performed correctly, may indi-

rectly affect operation or lead to an unexpected instrument response.

1.3 Operational safety

•The Prowirl 77 measuring system fulfills the general safety regulations according to

EN 61010 and the interference immunity regulations (EMC) according to European

standard EN 50081 Part 1 and 2 / EN 50082 Part 1 and 2 as well as NAMUR recom-

mendations.

•Housing ingress protection IP 67 according to EN 60529.

•A comprehensive self-monitoring feature of the measuring system ensures high

operational safety.

•After loss of power supply (which is provided by the field bus), the configuration

data of the measuring system remain in the EEPROM (without batteries).

The totalizer remains on the value last shown.

Warning!

Caution!

Note!

Prowirl 77 PROFIBUS-PA 1 Safety Instructions

Endress+Hauser 5

1.4 Personnel for Installation, Start-up and Operation

•Mounting, electrical installation, start-up and maintenance of the instrument may

only be carried out by trained personnel authorised by the operator of the facility.

Personnel must absolutely and without fail read and understand this Operating

Manual before carrying out its instructions.

•The instrument may only be operated by personnel who are authorised and trained

by the operator of the facility. All instructions in this manual are to be observed

without fail.

•In case of corrosive fluids, the compatibility of the material of all wetted parts such

as measuring pipe, bluff body, sensor and gaskets is to be verified. This also ap-

plies to fluids used to clean the Prowirl 77 flowmeter. Endress+Hauser will be

pleased to provide you with any help required.

•The installer has to make sure that the measuring system is correctly wired up

according to the wiring diagrams. The complete bus system is to be grounded.

Please observe all provisions valid for your country pertaining to opening and repair

of electrical devices.

1.5 Repairs, Dangerous Chemicals

The following procedures must be carried out before a Prowirl 77 is sent to

Endress+Hauser for repair:

•A note must be enclosed with the instrument, containing a description of the fault,

the application and the chemical and physical properties of the fluid being

measured.

•Remove all residue which may be present. Pay special attention to the gasket

grooves and crevices where fluid may be present. This is especially important if the

fluid is dangerous to health, e.g. corrosive, poisonous, carcinogenic, radioactive,

etc.

•No instrument should be returned to us without all dangerous material being

removed first.

Incomplete cleaning of the instrument may result in waste disposal requirements or

cause harm to personnel (burns, etc.). Any costs arising from this will be charged to

the operator of the instrument.

1.6 Technical Improvements

The manufacturer reserves the right to modify technical data without prior notice.

Your local E+H Sales Office will supply you with all current information and any

updates to this Operating Manual.

There is no longer any contact protection once the housing cover is removed

Warning!

1 Safety Instructions Prowirl 77 PROFIBUS-PA

6 Endress+Hauser

2 System Description

The Prowirl 77 vortex flowmeter measures the volumetric flow of steam, gases and liq-

uids for fluid temperatures in the range of –200...+400 °C and at nominal pressures of

up to PN 160 / ANSI class 600.

Prowirl 77 measures the volumetric flow at operating conditions. If the process

pressure and temperature are constant, Prowirl 77 can be programmed to supply the

flowrate in mass, energy or corrected volume units.

2.1 Prowirl 77 Measuring System

A measuring system consists of:

•Prowirl 77 transmitter

•Prowirl 77 W, Prowirl 77 F or Prowirl 77 H body

The Prowirl 77 transmitter is available in different versions. The transmitter versions

differ in the type of electrical output signals and digital communication capabilities.

This Operating Manual describes the “PROFIBUS-PA”version.

The Prowirl 77 transmitter is available in two other versions:

•Version: “PFM”

•Version: “4...20 mA”(optional with HART)

Operation of those versions is not included in this Operating Manual. Separate

Operating Manuals for those instruments are available on request.

Prowirl 77 W

(wafer)

DN 15...150

Prowirl 77 F

(flanged)

DN 15...300

(larger sizes

upon request)

Transmitter

Prowirl 77

ba037y10

Prowirl 77 H

(high pressure)

DN 15...150

Sensor

Fig. 1

Prowirl 77 measuring system

Prowirl 77 PROFIBUS-PA 2 System Description

Endress+Hauser 7

The various Prowirl 77 transmitters can be freely combined with all meter body

versions. This guarantees flexibility when matching a complete meter to specific

industrial process conditions.

2 System Description Prowirl 77 PROFIBUS-PA

8 Endress+Hauser

3 Mounting and Installation

3.1 General Information

Protection IP 67 (EN 60529)

The instruments fulfil all the requirements for IP 67. The following points must always

be observed in order to ensure protection to IP 67 after istallation in the field or after

servicing:

•Housing gaskets must be clean and

undamaged when inserted in the

gasket groove. The gaskets may need

to be dried, cleaned or replaced.

•All housing screws and the housing

cover must be firmly tightened.

•The cables used for connecting

must have an outer diameter in the

specified range.

•The cable gland must be firmly

tightened (see Fig. 2).

•The cable must loop down before

entering the cable gland to ensure that

no moisture can enter it

(see Fig. 2).

•Any unused cable glands are to be

replaced with a plug.

•The protective bushing should not be

removed from the cable gland.

Temperature ranges

•The maximum approved ambient and process temperatures must be observed

(see page 56).

•Observe also the instructions on piping insulation and mounting position

(see page 11).

ba037y11

Fig. 2

Protection IP 67

Prowirl 77 PROFIBUS-PA 3 Mounting and Installation

Endress+Hauser 9

3.2 Installation

A vortex flowmeter requires a fully developed flow profile as a prerequisite for

measuring volume accurately. The following points must therefore be noted when

mounting the Prowirl 77 in the pipeline.

Pipe inner diameter

When ordering, ensure that the nominal diameter and pipe schedule (DIN/ANSI/JIS)

are correct, since calibration of the flowmeter and therefore the achieveable accuracy

of the measuring point are dependent on these specifications.

Inlet and outlet sections

To ensure an undisturbed flow profile,

the vortex flowmeter should be mounted

upstream of any flow disturbances such

as pipe elbows, reducers or valves,

otherwise the longest possible section of

piping should be between the distur-

bance and the flowmeter. The figures on

the left show the

minimum section of

straight piping

downstream of the distur-

bance as multiples of the nominal diame-

ter of the pipe in DN. If two or more flow

disturbances are located upstream, then

the longest inlet section recommended

should be used.

There must also be a straight outlet

section of sufficient length downstream

from the flowmeter to ensure that the vor-

tices are properly developed.

Flow conditioner

With limited space and large pipes, it

is not always possible to use the inlet

sections given above. In such cases the

specially developed perforated plate flow

conditioner (see page 53 ff.) can be fitted

as shown on the left. The flow conditioner

is held between two piping flanges and

centred with the flange bolts. It reduces

the length of the inlet section downstream

from flow disturbances to 10 x DN while

maintaining high accuracy measurement.

Inlet Outlet

Reducer

Expander

90°elbow or T-piece

2x90°elbows, 3-dimensional

2x90°elbows

Control valve / on-off valve

with flow conditioner

ba037y06

Fig. 3

Inlet and outlet piping

requirements

3 Mounting and Installation Prowirl 77 PROFIBUS-PA

10 Endress+Hauser

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