Endress+Hauser Cerabar S Series Manual de usuario

cerabar S

Foundation Fieldbus

Pressure Measurement

Operating Instructions

4...20mA

Test

123

4...20mA

Tes t

123

BA 211P/00/en/09.04

Software version 0.3

52006135

Hauser+Endress

The Power of Know How

Short Operating Instructions

– –

Remote operation

over configuration

tool

Local operation

Cerabar S

without/with display

– pressure only

Section 4.1

set MR

= required MR Pressure

yes

MR = measuring range

Chapter 5.1

Calibration with

and without

reference pressure

Chapter 6.2

Empty/full

calibration

Chapter 6.3

Dry

calibration

Level

or Pressure?

Level

Chapters 6.4 - 6.8

Locking and

other settings

Section 4.2, 5 and 6

Chapter 5.5

Locking/Unlocking

with keys

Chapter 5.2

Calibration via

configuration tool

Chapters 5.3 - 5.7

Locking and

other settings

yesno

Chapter 5.3

Damping

(only via

configuration tool)

Damping?

Short Operating Instructions Cerabar S FF

2Endress+Hauser

Table of Contents

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

Safety Conventions and Symbols ... 6

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

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

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

2.1 Mounting instructions without

diaphragm seal . . . . . . . . . 9

2.2 Mounting instructions with diaphragm

seal . . . . . . . . . . . . . . 11

2.3 Mounting accessories . . . . . . 12

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

2.5 Connection . . . . . . . . . . . 14

2.6 Wiring examples . . . . . . . . . 15

3Foundation Fieldbus Interface ..... 16

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

3.2 Hardware settings . . . . . . . . 17

3.3 Network configuration . . . . . . 18

3.4 Resource block . . . . . . . . . 19

3.5 Transducer block . . . . . . . . 20

3.6 Analog input block . . . . . . . . 24

3.7 Control loops . . . . . . . . . . 27

3.8 Methods . . . . . . . . . . . . 28

3.9 Checklist for commissioning . . . . 29

4Operation ............. 30

4.1 On-site operation . . . . . . . . 30

4.2 Calibration via a configuration tool . . 31

5Pressure Measurement ........ 32

5.1 Calibration with keys . . . . . . . 32

5.2 Calibration via a configuration tool . . 33

5.3 Damping . . . . . . . . . . . . 35

5.4 Maximum pointer function . . . . . 36

5.5 Locking/unlocking . . . . . . . . 36

5.6 Analog input block parameters . . . 37

5.7 Measuring point information . . . . 38

6Level Measurement ......... 39

6.1 Calibration via a configuration tool . . 39

6.2 Empty/full calibration . . . . . . . 41

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

6.4 Damping . . . . . . . . . . . . 43

6.5 Maximum pointer function . . . . . 43

6.6 Locking/unlocking . . . . . . . . 44

6.7 Analog input block parameters . . . 45

6.8 Measuring point information . . . . 46

7Diagnosis and Trouble-Shooting ....47

7.1 Diagnosis of errors and warnings . . 47

7.2 Simulation . . . . . . . . . . . 48

7.3 Reset . . . . . . . . . . . . . 48

8Maintenance and Repair .......49

8.1 Repair . . . . . . . . . . . . . 49

8.2 Mounting the display . . . . . . . 50

8.3 Changing the sensor module and

electronics . . . . . . . . . . . 51

8.4 Changing the seal . . . . . . . . 52

8.5 Replacement parts . . . . . . . . 52

9Technical Data ...........54

Index ...............57

Cerabar S FF Table of Contents

Endress+Hauser 3

Software History

Software Changes Significance

0.3

Software History Cerabar S FF

4Endress+Hauser

Notes on Safety

Approved usageThe pressure transmitter Cerabar S is a Foundation Fieldbus device which, depending

upon the version, is used for measuring gauge or absolute pressure. Level measurement

is also possible when a Foundation Fieldbus tool is used.

Installation,

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 to the instructions in this manual

personnel must be authorised and suitably qualiflied. 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.

Explosion hazardous

area

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.

Recommendations are to be found in the FF specification or IEC 79–14.

Code Certificate Protection

R Standard none

G CENELEC EEx ia IIC T4/T6

G ATEX 100 ATEX II 1/2 G EEx ia IIC T4/T6

I ATEX 100 PMP: ATEX II 2 G EEx d IIC T5/T6

PMC: ATEX II 2 G EEx d [ia] IIC T6

D PTB, Zone 0 EEx ia IIC T4/T6

Q FM Explosion proof Class I, II, III Div. 1, Groups A…G

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

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

U CSA Explosion proof Class I, II, III, Div. 1, Groups B…G (in preparation)

Certificates for applications in

explosion hazardous areas

ENDRESS+HAUSER

CERABAR S PMC/PMP

Order No. PMC xxx –

Order No. PMP xxx –

Cerabar S FF 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.

Notes on safety

Ignition 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!

Safety Conventions and Symbols Cerabar S FF

6Endress+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 transmitterif the

density ρof the liquid is known.

h = phydr/ρ·g

0 - 10 bar

0 - 10 bar 0 - 10 bar

Version with

thread Version with

diaphragm seal

for flange mounting

Version with

diaphragm seal

for hygienic applications

BA211Y04

Figure 1.1

Examples of the Cerabar S

pressure transmitter

BA211Y05

Ceramic

support

Electrode

Resistance

bridge

Filling fluid

Diaphragm

Ceramic measuring cell

Metallic measuring cell

Figure 1.2

Ceramic and metallic measuring cells

Cerabar S FF 1 Introduction

Endress+Hauser 7

1.1 Measuring system

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

•Cerabar S transmitter with Foundation Fieldbus protocol

•Network Configuration Tool, e.g. National Instruments Fieldmanager

Number of transmitters The maximum number of transmitters on a bus segment is determined by their current

consumption, the required bus length and if installed the power of the link.

Normally, however:

•10 Cerabar S for EEx ia applications

•max. 32 Cerabar S for non-hazardous application

can be operated on a bus segment. Cerabar S consumes max. 11.5 mA per device.

Refer also to the FF specification or IEC 61158-2 or to the Internet address

"http://www.fieldbus.org".

0- 10 bar0- 10 bar

Personal

computer e.g.

with NI-FBUS

configurator

BA211Y06

Cerabar S with

FF protocol

power supply

power conditioner

Figure 1.3

Measuring point with Cerabar S

T: bus terminator

1 Introduction Cerabar S FF

8Endress+Hauser

2 Installation

This section describes the mechanical installation of Cerabar S with and without

diaphragm seals.

2.1 Mounting instructions without diaphragm seal

Cerabar S

without diaphragm seal

– PMC 731

– PMP 731

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

point.

The pigtail reduces the temperature in

front of the diaphragm to almost

ambient temperature. The pigtail must

be filled with water before start-up.

0 - 10 bar

BA211Y07

Figure 2.1

Mounted on a shut-off valve for

measuring gases

0 - 10 bar

BA211Y08

Figure 2.2

Mounted with U-shaped pigtail

for measuring steam/vapour

0 - 10 bar

BA211Y09

Figure 2.3

Mounted with circular pigtail for

measuring steam/vapour

Cerabar S FF 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 PVC 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 and internal diaphragm.

The adapter can be screwed on or welded in.

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

0 - 10 bar

BA211Y10

Figure 2.4

Mounted on a shut-off valve for measuring liquids

132

132 12

Ø26

2.5

Thread

adapter

DIN 3852-E-G ½

Material: 1.4571 or

Hastelloy

G ½ external

Viton

elastomer seal

supplied

Thread adapter

DIN 3852-A-G ½

with Hastelloy only

Threaded hole

DIN 3852-X-G ½

BA211Y11

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 thread adapter

Process connection with

flush-mounted diaphragm

version 1F

With internal diaphragm and

thread adapter

Seal supplied

(with 1.4435 diaphragm only)

Welded

Welded adapter

– Material 1.4571

with 1.4435 diaphragm

– Material Hastelloy

with diaphragm in

Hastelloy

BA211Y12

2 Installation Cerabar S FF

10 Endress+Hauser

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