Siemens SITRANS P User manual

A5E00240593D-01 GN: 30300_sitrans p compact

Operating Instructions (de/en) Edition 03/2004

sitrans p

Messumformer für Food,

Pharma und Biotechnik

Transmitters for food,

pharmaceuticals and biotechnologgy

7FM8010

Siemens AG

Bereich Automation and Drives

Geschaeftsgebiet Process Instrumentation and Analytics

D-76181 Karlsruhe

@1PA5E00240593@

1P A5E00240593

A5E00240593-01

www.siemens.com/processinstrumentation

Operating Instructions

SITRANS P Compact 25

A5E00240593-01

Contents

Information for the operator .......................................................................................27

Important security notes ............................................................................................29

Application.................................................................................................................31

Major features............................................................................................................31

Mode of operation......................................................................................................31

Technical data ...........................................................................................................32

Installation and operating instructions .......................................................................35

Zero correction ..........................................................................................................36

Dimensions................................................................................................................37

Connection diagram ..................................................................................................38

Ordering data.............................................................................................................39

Certificates.................................................................................................................43

Operating Instructions

26 SITRANS P Compact

A5E00240593-01

Operating Instructions

SITRANS P Compact 27

A5E00240593-01

Information for the operator

Classification of Safety–Related Notices

This manual contains notices which you should observe to ensure your own personal safety, as well as to

protect the product and connected equipment. These notices are highlighted in the manual by a warning

triangle and are marked as follows according to the level of danger:

DANGER

indicates an immenently hazardous situation which, if not avoided, will result in death or

serious injury.

WARNING

indicates a potentially hazardous situation which, if not avoided, could result in death or

serious injury.

CAUTION

used with the safety alert symbol indicates a potentially hazardous situation which, if not

avoided, may result in minor or moderate injury.

CAUTION

used without the safety alert symbol indicates a potentially hazardous situation which, if not

avoided, may result in property damage.

NOTICE

indicates a potential situation which, if not avoided, may result in an undesirable result or

state.

)

NOTE

highlights important information on the product, using the product, or part of the

documentation that is of particular importance and that will be of benefit to the user.

Operating Instructions

28 SITRANS P Compact

A5E00240593-01

Qualified Personnel

Only qualified personnel should be allowed to install and work on this equipment. Qualified persons are

defined as persons who are authorized to commission, to ground and to tag circuits, equipment, and

systems in accordance with established safety practices and standards.

Correct Usage

Note the following:

WARNING

This device and its components may only be used for the applications described in the catalog

or the technical description, and only in connection with devices or components from other

manufacturers which have been approved or recommended by Siemens.

This product can only function correctly and safely if it is transported, stored, set up, and

installed correctly, and operated and maintained as recommended.

Trademarks

SIPART, SIREC, SITRANS are registered trademarks of SIEMENS AG.

Third parties using for their own purposes any other names in this document which refer to trademarks

might infringe upon the rights of the trademark owners.

The reproduction, transmission or use of this

document or its contents is not permitted without

express written authority. Offenders will be liable

for damages. All rights, including rights created

by patent grant or registration of a utility model or

design, are reserved.

Siemens AG

Bereich Automation and Drives

Geschäftsgebiet Process Instrumentation and

Analytics

76181 Karlsruhe

Disclaimer of Liability

We have checked the contents of this manual for

agreement with the hardware and software

described. Since deviations cannot be precluded

entirely, we cannot guarantee full agreement.

However, the data in this manual are reviewed

regularly and any necessary corrections included in

subsequent editions. Suggestions for improvement

are welcomed.

Technical data subject to change.

Operating Instructions

SITRANS P Compact 29

A5E00240593-01

Important security notes

WARNING

Protection against incorrect use of the measuring device:

It must be particularly ensured that the selected materials of the process-wetted parts of

the measuring device are suitable for the process media used. Failure to observe this

precaution could endanger life and limb and the environment.

CAUTION

At surface temperatures > 70

C a touch protection should be provided. The touch

protection must be designed so that the max. permissible ambient temperature of the device

is not exceeded.

CAUTION

The device may only be used within the medium pressure limits and voltage limits specified

on the rating plate depending on the explosion protection type with which the device is

operated.

NOTICE

External loads may not be applied to the transmitter.

0032/0045

The CE mark on the devices certifies the compliance with the valid EU directives for the

marketing of products within the European Community.

The following directives are applied: EMV 89/336/EWG, DGRL 97/23/EG, ATEX 94/9/EG

DGRL: Pressure transmitters are pressurized equipment parts in the sense of the

pressurized devices directive.

The CE mark is awarded according to classification in the appropriate categories.

Devices without the CE mark comply with the pressurized devices directive and are

manufacturer in accordance with "good engineering practice".

Operating Instructions

30 SITRANS P Compact

A5E00240593-01

WARNING

Notes for the operation of the intrinsically safe version in hazardous areas:

Operation is only permissible on certified intrinsically safe circuits- The transmitter

corresponds to category II 2G.

The EC type test certificate applies for installation of the device in the walls of vessels and

pipes in which explosive gas/air or vapour/air mixtures occur only under atmospheric

conditions (pressure: 0.8 bar to 1.1 bar; temperature: -20 °C to +60 °C). The permissible

range of the ambient temperature is -40 °C to +85 °C, in hazardous areas -40 °C up to a

maximum +85 °C (at T4).

The owner may use the device under non-atmospheric conditions outside the limits

specified in the EC type test certificate (or the test certificate valid in his country) on his

own responsibility if additional safety precautions have been taken according to the

conditions of application (explosive mixture). The limits specified in the technical data

(page 32) must be observed in any case.

Operating Instructions

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Application

The SITRANS P Compact transmitter converts pressures into a load-independent current of e.g. 4 to

20 mA at high accuracy. It has been developed for the special requirements of the

food/pharmaceutical/biotechnology industries.

Particular value has been placed on a high surface quality. It is therefore possible, for example, to

guarantee roughness values down to Ra = 0.4 µm (1.57

10-8 inch) in the wetted area it required (welded

seam range: Ra < 0.8 µm (3.15

10-8 inch)). The system can be electro polished in addition. A further

important feature is the hygiene-based design of the process connection by means of various aseptic

connections.

The completely welded stainless steel housing (optionally also with plug or cable outlet) can be designed

up to degree of protection IP67, and is therefore easy and safe to clean.

Using appropriate thermal decouplers, the transmitter can be used for process temperatures up to 200 °C

(392 °F).

Major features

• Measuring ranges from 0 to 160 mbar (0 to 2.32 psi) up to 0 to 40 bar (0 to 580 psi)

• Linearity error including hysteresis < +0.2% of full-scale value

• Piezo-resistive measurement system, vacuum-proof and overload-proof

• Hygiene-based design according to EHEDG, FDA and GMP recommendations

• Material and surface quality according to hygiene requirements

• Wetted parts made of stainless steel; completely welded

• Signal output 4 to 20 mA

• Stainless steel housing with degree of protection IP65; IP67 as option

• Process temperature up to 200 °C (392 °F)

• Ex protection II2G EEx ib IIC T6 to ATEX

Mode of operation

The process pressure acts on a piezo-resistive semiconductor measuring bridge via a remote seal and a

transmission liquid. The transmitter converts the pressure values into a load-independent current.

A compensation network makes the output signal largely independent of the ambient temperature. As a

result of a specially adapted remote seal connection with minimized volume, the influence of the process

temperature on the output signal is greatly reduced compared to a conventional screw connection.

The electronics is potted to protect it against moisture, corrosive atmospheres and vibration.

The pressure transmitters can be powered with a non-regulated DC voltage of 10 to 30 V. Output signals

common to measuring technology are available.

Operating Instructions

32 SITRANS P Compact

A5E00240593-01

Technical data

Mode of operation

Measuring principle Piezo-resistive

Input

Measured variable Pressure or absolute pressure

Measuring range 0 to 160 mbar (0 to 2.32 psi)

to 0 to 40 bar (0 to 580 psi)

Output

Output signal

• Two-wire system 4 to 20 mA

Current limitation in output signal Max. output current approx. 30 mA

Load

• Two-wire system (standard version), RB≤(UH- 10 V)/ 0,02 A in kΩ

including cable U

: power supply in V

Accuracy

Linearity error including hysteresis ≤ 0.2% of f.s.v.

(reference point adjustment)

Adjustment accuracy ≤ ± 0.2% of f.s.v.

Adjustment time < 20 ms

Influence of ambient temperature

• Housing

- Zero < 0.2%/10K of f.s.v. (< 0.2%/18 °F of f.s.v.)

- Span < 0.2%/10K of f.s.v. (< 0.2%/18 °F of f.s.v.)

• Process connection (remote seal) Zero error (depends on design)

- Flange remote seal

DN 25 (1 inch) 4.8 mbar/10K (0.070 psi/18 °F)

DN 32 (1½ inch) 2.3 mbar/10K (0.033 psi/18 °F)

DN 40 1.6 mbar/10K (0.023 psi/18 °F)

DN 50 (2 inch) 0.6 mbar/10K (0.009 psi/18 °F)

- Clamp-on remote seal

DN 25 (1 inch) 9.5 mbar/10K (0.138 psi/18 °F)

DN 32 (1½ inch) 4.1 mbar/10K (0.060 psi/18 °F)

DN 40 3.9 mbar/10K (0.057 psi/18 °F)

DN 50 (2 inch) 3.9 mbar/10K (0.057 psi/18 °F)

The zero error specified for the process connection should be considered as a guideline for a standard

design. We will produce a detailed system calculation on request. Systems with reduced remote seal

errors are available on request.

Influence of power supply ≤0.01% of f.s.v. / V

Influence of load with 500 Ω change in load ≤0.1% of f.s.v.

Operating Instructions

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A5E00240593-01

Rated operating conditions

Installation conditions

• Mounting position Any, vertical as standard

Ambient conditions

• Ambient temperature -10 to +70 °C (14 to 158 °F)

• Storage temperature -10 to +90 °C (14 to 194 °F)

• Process temperature Max. 200 °C (392 °F), depends on design

• Degree of protection (to EN 60 529) IP65; IP67 as option

• Electromagnetic compatibility

- Emitted interference To EN 50 081 Part 1, issue 1993 (residential and industrial

areas). The unit has no own emissions

- Noise immunity To EN 50 082 Part 2, issue March 1995 (industrial areas)

Design

Weight (without remote seal)

• Field housing Approx. 460 g (1.02 lb)

• Housing with plug Approx. 200 g (0.44 lb)

Housing

• Designs • Field housing IP65 or IP67, with cable gland

• Angled plug DIN 43 650, IP65

• Cable connection, IP67

• Round plug connector M12, IP65

• Material of electronic housing Stainless steel, mat. No. 1.4305

Polyamide (with electrical connection using plug or cable)

Electronics unit potted with silicone

Internal ventilation for measuring ranges < 16 bar, via

housing thread or cable depending on design

Process connection/diaphragm

• Versions See Figure on page 36 or Ordering data

• Material of coupling Stainless steel, mat. No. 1.4404

• Material of diaphragm Stainless steel, mat. No. 1.4404

• Material of union nut on types with

frontal diaphragm Stainless steel, mat. No. 1.4301

Power supply

Terminal voltage on transmitter

(standard design) DC 24 V, polarity protected

Functional range DC 10 to 30 V

Max. permissible operating voltage DC 30 V

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