Endress+Hauser Cerabar S PROFIBUS-PA Bedienungsanleitung

cerabar S

PROFIBUS-PA

Pressure Transmitter

Operating Instructions

BA 168P/00/en/01.04

Software version 2.2

52022674

4...20mA

Tes t

123

4...20mA

Tes t

123

Hauser+Endress

The Power of Know How

Short Operating Instructions

– –

Remote operation

via Commuwin II

On-site operation

Cerabar S

without/with display

On-site operation via keys:

Chapters 4.1 and 5.1

– only pressure measurement

set MR

= required MR? Pressure

yes no

Chapter 5.1

Calibration with

keys

Chapter 6.2

Calibration

with

reference

pressure

Linearisation?

Chapter 6.3

Dry

calibration

Chapter 5.4

Locking/unlocking

with keys

Level

or pressure?

Level

yes

Table Automatic

Linearisation

Chapter 6.4

Chapter 6.5 - 6.6

Locking/unlocking

and other settings

Chapters 4.2 and 5.2

Chapter 5.2

Calibration via

Commuwin

Chapter 5.3 - 5.4

Locking/unlocking

and other settings

Chapter 5.3

Damping

(only via Commuwin II)

Damping?

no yes

MR = Measuring range

Short Operating Instructions Cerabar S PROFIBUS-PA

2 Endress+Hauser

Table of Contents

Software History . . . . . . . . . . 4

Notes on Safety . . . . . . . . . . . 5

1 Introduction . . . . . . . . . . . . 7

1.1 Measuring system . . . . . . . . 8

2 Installation . . . . . . . . . . . . . 9

2.1 Mounting instructions without

diaphragm seal (PMC/PMP 731) . . 9

2.2 Mounting instructions with diaphragm

seal (PMC 631, PMP 635) . . . . . 11

2.3 Mounting accessories . . . . . . 12

2.4 Mounting position . . . . . . . . 13

2.5 Electrical connection . . . . . . . 14

3 PROFIBUS-PA Interface . . . . . . . . 16

3.1 Synopsis . . . . . . . . . . . . 16

3.2 Setting the device address . . . . 17

3.3 Device database and type files . . . 18

3.4 Cyclic data exchange . . . . . . 19

3.5 Acyclic data exchange . . . . . . 21

3.6 Data formats . . . . . . . . . . 26

3.7 Configuration of profile parameters . 27

4 Operation . . . . . . . . . . . . . 29

4.1 On-site operation . . . . . . . . 29

4.2 Operation with Commuwin II . . . . 30

5 Pressure Measurement . . . . . . . . 31

5.1 Calibration with keys . . . . . . . 31

5.2 Calibration via Commuwin II . . . . 32

5.3 Damping . . . . . . . . . . . . 36

5.4 Locking/Unlocking the operation . . 36

5.5 Measuring point information . . . . 37

6 Level Measurement . . . . . . . . . 38

6.1 Calibration via Commuwin II . . . . 38

6.2 Calibration with reference pressure . 41

6.3 Dry calibration . . . . . . . . . 42

6.4 Linearisation . . . . . . . . . . 43

6.5 Damping . . . . . . . . . . . . 46

6.6 Locking/Unlocking the operation . . 46

6.7 Measuring point information . . . . 47

7 Diagnosis and Warnings . . . . . . . 48

7.1 Diagnosis of errors and warnings . . 48

7.2 Simulation . . . . . . . . . . . 51

7.3 Reset . . . . . . . . . . . . . 51

7.4 Editing limits . . . . . . . . . . 53

8 Maintenance and Repair . . . . . . . 55

8.1 Repair . . . . . . . . . . . . . 55

8.2 Mounting the display . . . . . . . 56

8.3 Exchanging the sensor module and

electronics . . . . . . . . . . . 57

8.4 Sensor calibration . . . . . . . . 58

8.5 Changing the gasket . . . . . . . 59

8.6 Replacement parts . . . . . . . . 59

9 Technical Data . . . . . . . . . . . 61

10 Operating Matrix . . . . . . . . . . 66

10.1 Matrix Commuwin II . . . . . . . 66

10.2 Matrix Analog Input Block

(AI Transmitter) . . . . . . . . . 67

10.3 Description of parameters . . . . . 68

Index . . . . . . . . . . . . . . . 74

Cerabar S PROFIBUS-PA Table of Contents

Endress+Hauser 3

Software History

Note!

Second generation Cerabar S PROFIBUS-PA devices with 3.0 profiles are cyclical

downwards compatible with the first generation Cerabar S PROFIBUS-PA devices

with 2.0 profiles, i.e. first generation devices can be replaced with second generation

devices.

However, to use the additional functions of second generation devices with

3.0 profiles, such as cyclical reading of two additional values, the PLC must be

configured with the GSD (EH3x1501.gsd or EH3_1501.gsd).

If the additional functions of the 3.0 profile are not required, the PLC configuration with

the first generation GSD (EH__1501.gsd) can be kept.

Note!

Software Changes Significance

1.0 Original Software DPV1 (profile 2.0)

1.1 – OUT Status codes changed

– Slot/Index table changed

2.0 PROFIBUS-PA version 3.0

(profile 3.0)

PROFIBUS-PA parameter, new

matrix fields for Commuwin II

V6H0 Ident. number

V6H1 Set unit to bus

V6H2 Out Value

(Analog Input Block)

V6H3 Out Status

(Analog Input Block)

V6H4 Select 2nd cyclic value

V6H5 Select V0H0 (Display value)

V6H6 Out Value from PLC

V6H7 Profile version

Two further values can be read

cyclically.

Data can be sent cyclically to the

device.

V9H5 Zero correction

V9H6 Zero correction value

(Display)

2.1 – Corrections in communication stack

– Correction of parameter attributes

2.2 – Correction in communication stack

– Correction of one parameter attribut

Software History Cerabar S PROFIBUS-PA

4 Endress+Hauser

Notes on Safety

Approved usageThe Cerabar S is a pressure transmitter used for measuring gauge or absolute pressure,

depending on the version. You can display the measured pressure value as a level value

using the Commuwin II operating and display program.

Mounting,

commissioning

operation

The Cerabar S has been designed to operate safely in accordance with current technical,

safety and EU standards. If installed incorrectly or used for applications for which it is

not intended, however, it is possible that application-related dangers may arise, e.g.

product overflow due to incorrect installation or calibration. For this reason, the instrument

must be installed, connected, operated and maintained according to the instructions in

this manual: personnel must be authorised and suitably qualified. The manual must have

been read and understood, and the instructions followed. Modifications and repairs to

the device are permissible only when they are expressly approved in the manual.

Please pay particular attention to the technical data on the nameplate. pmax (maximum

allowed pressure) is specified on the nameplate. The value refers to a reference

temperature of 20°C (68°F) or 100°F for ANSI flanges.

•Test pressure (over pressure limit OPL) = pmax

•The pressure values permitted at higher temperatures can be found in the following

standards: EN 1092-1: 2001 Tab. 18; ASME B 16.5a – 1998 Tab. 2-2.2 F316;

ASME B 16.5a – 1998 Tab. 2.3.8 N10276; JIS B2201

Explosion hazardous

areas

If the device is to be installed in an explosion hazardous area, then the specifications in

the certificate as well as all national and local regulations must be observed. The

instrument can be delivered with the certificates listed in the table below. The certificate

can be identified from the first letter of the order code stamped on the nameplate.

•Ensure that all personnel are suitably qualified.

•Observe the specifications in the certificate as well as national and local

regulations.

•Take special care with regard to the grounding of the bus cable screening,

see e.g. IEC 60079-14.

Code Certificate Explosion protection

R Standard none

C ATEX ATEX II 3 G EEx nA II T6

G ATEX ATEX II 1/2 G or 2 G EEx ia IIC T4/T6

O FM IS Class I, II, III, Div. 1, Groups A…G

S CSA IS Class I, II, III, Div. 1, Groups A…G

Certificates for applications in

explosion hazardous areas

ENDRESS+HAUSER

CERABAR S PMx xxx

Order No. PMx xxx

Cerabar S PROFIBUS-PA Notes on Safety

Endress+Hauser 5

Safety Conventions and Symbols

In order to highlight safety-relevant or alternative operating procedures in the manual,

the following conventions have been used, each indicated by a corresponding icon in

the margin.

Safety conventions

Explosion protection

•

Electrical symbols

Symbol Meaning

Note!

A note highlights actions or procedures which, if not performed correctly, may indirectly affect

operation or may lead to an instrument response which is not planned.

Caution!

Caution highlights actions or procedures which, if not performed correctly, may lead to

personal injury or incorrect functioning of the instrument.

Warning!

A warning highlights actions or procedures which, if not performed correctly, will lead to

personal injury, a safety hazard or destruction of the instrument.

Device certified for use in explosion hazardous area

If the device has this symbol embossed on its name plate it can be installed in an explosion

hazardous area.

Explosion hazardous area

Symbol used in drawings to indicate explosion hazardous areas.

– Devices located in and wiring entering areas with the designation "explosion hazardous

areas" must conform with the stated type of protection.

Safe area (non-explosion hazardous area)

Symbol used in drawings to indicate, if necessary, non-explosion hazardous areas.

– Devices located in safe areas still require a certificate if their outputs run into explosion

hazardous areas.

Direct voltage

A terminal to which or from which a direct current or voltage may be applied or supplied.

Alternating voltage

A terminal to which or from which an alternating (sine-wave) current or voltage may be

applied or supplied.

Grounded terminal

A grounded terminal, which as far as the operator is concerned, is already grounded by

means of an earth grounding system.

Protective grounding (earth) terminal

A terminal which must be connected to earth ground prior to making any other connection to

the equipment.

Equipotential connection (earth bonding)

A connection made to the plant grounding system which may be of type e.g. neutral star or

equipotential line according to national or company practice.

Note!

Caution!

Notes on Safety Cerabar S PROFIBUS-PA

6 Endress+Hauser

1 Introduction

ApplicationsThe Cerabar S pressure transmitter measures the pressure of gases, steam/vapour and

liquids and can be used in all areas of chemical and process engineering.

Operating principle

Ceramic sensor

The system pressure acts directly on the

rugged ceramic diaphragm of the pressure

sensor deflecting it by a maximum of

0.025 mm. A pressure-proportional change

in the capacitance is measured by the

electrodes on the ceramic substrate and

diaphragm. The measuring range is

determined by the thickness of the ceramic

diaphragm.

Metal sensor

The process pressure deflects the

separating diaphragm with a filling liquid

transmitting the pressure to a resistance

bridge. The bridge output voltage, which is

proportional to pressure, is then measured

and processed.

Level measurement

The hydrostatic pressure of a column of

liquid enables its level to be measured

continuously by a pressure transmitter if the

density ρof the liquid is known.

0 - 10 bar

0 - 10 bar 0 - 10 bar

Version with

thread

PMC 731/

PMP 731

Version with

diaphragm seal

for flange mounting

PMP 635

Version with

diaphragm seal

for hygienic applications

PMC 631

BA168Y04

Figure 1.1

Examples of the Cerabar S

pressure transmitter

BA168Y05

Ceramic

support

Electrode

Resistance

bridge

Filling fluid

Diaphragm

Ceramic

measuring cell

Metallic

measuring cell

Figure 1.2

Ceramic and metallic measuring cell

h = p

hydr

•

Cerabar S PROFIBUS-PA 1 Introduction

Endress+Hauser 7

1.1 Measuring system

Measuring point In the simplest case, the measuring point comprises:

•Cerabar S with PROFIBUS-PA protocol

•PLC or personal computer with an operating program e.g. Commuwin II

•Segment coupler

•PROFIBUS-PA terminating resistor

Number of transmitters The maximum number of transmitter on one bus segment is determined by their

consumption, the power of the bus coupler and the required bus length, see Operating

Instructions BA 198F/00/en. Normally however:

•max. 10 Cerabar S for hazardous area applications

•max. 32 Cerabar S for non-hazardous area applications

can be operated on one bus segment. Cerabar S consumes max. 11 mA per device.

For further information, see Operating Instructions BA 198F "PROFIBUS-DP/-PA:

Guidelines for planning and commissioning", the PNO Guidelines or under the Internet

address http://www.PROFIBUS.com and for operation in hazardous ia areas: EN 50020

(FISCO model).

ENDRESS + HAUSER

0- 10 bar0- 10 bar

Cerabar S

pressure transmitter

Personal computer

with operating

program e.g.

Commuwin II

PROFIBUS-DP

PLC

Segment

coupler

Fieldbus with

PROFIBUS-PA

Figure 1.3

Measuring system Cerabar S

with PROFIBUS-PA protocol

1 Introduction Cerabar S PROFIBUS-PA

8 Endress+Hauser

2 Installation

This Chapter describes:

•the mechanical installation of Cerabar S with and without diaphragm seals

•the electrical connection

2.1 Mounting instructions without diaphragm seal (PMC/PMP 731)

Cerabar S

without diaphragm seal

– PMC 731

– PMP 731

The Cerabar S without diaphragm seal is mounted in the same way as a manometer

(DIN EN 839-2). The use of shut-off valves and pigtails is recommended. Its position

depends upon the application.

•Measurement in gases:

Mount the shut-off valve above the

tapping point so that condensate can

run back into the process.

•Measurement in steam:

Mount with a pigtail below the tapping

point.

The pigtail reduces the temperature in

front of the diaphragm to almost

ambient temperature. The pigtail must

be filled with fill fluid before start-up.

0 - 10 bar

BA168Y08

Figure 2.1

Mounted on a shut-off valve for

measuring gases

0 - 10 bar

BA168Y09

Figure 2.2

Mounted with U-shaped pigtail

for measuring steam/vapour

0 - 10 bar

BA168Y10

Figure 2.3

Mounted with circular pigtail for

measuring steam/vapour

Cerabar S PROFIBUS-PA 2 Installation

Endress+Hauser 9

•Measurement in liquids:

Mount on the shut-off valve below the

tapping point or at the same height.

PVDF adapter For instruments with PVDF adapter, a maximum torque of 7 Nm is permitted. The thread

connection may become loose at high temperatures and pressures. This means that the

integrity of the thread must be checked regularly and may need to be tightened using

the torque given above. Teflon tape is recommended for sealing with the ½ NPT thread.

Mounting the PMP 731 The PMP 731 with metallic sensor is available in the following versions:

•with flush-mounted diaphragm or

•with adapter (screwed on or welded in) and internal diaphragm.

A seal is enclosed appropriate to the material used and version.

Note!

The diaphragm of the Cerabar S must not be pressed in or cleaned with pointed or hard

objects.

0 - 10 bar

BA168Y11

Figure 2.4

Mounted on a shut-off valve for measuring liquids

Note!

G½

Ø26

22 2.5

G½

Ø26

Thread adapter

DIN 3852-E-G ½

Material: 1.4435 or

Hastelloy

G ½ external

Viton seal

Thread adapter

DIN 3852-A-G ½

with 1.4435 only

Threaded hole

DIN 3852-X-G ½

BA168Y12

PTFE seal

Hastelloy

spring Teflon Teflon back-up ring

Figure 2.5

left:

An elastomer seal

to DIN 3852-E-G ½ is supplied

with the thread adapter

right:

With internal diaphragm and

welded or threaded adapter

Process connection with

flush-mounted diaphragm

version 1F

With internal diaphragm and

threaded adapter

Seal supplied

(with 1.4435 diaphragm only)

Welded

Welded adapter

– Material 1.4435

with 1.4435 diaphragm

– Material Hastelloy

with diaphragm in

Hastelloy

BA168Y13

2 Installation Cerabar S PROFIBUS-PA

10 Endress+Hauser

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