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Sitrans p measuring instruments for pressure – Siemens SITRANS P User Manual

Page 53

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SITRANS P measuring instruments for pressure

Transmitters for gage pressure for the paper industry

DS III series with PMC connection

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Siemens FI 01 · 2009

2

Rated operating conditions

Degree of protection (to EN 60529)

IP65, IP68, NEMA X, enclosure cleaning, resistant to lyes, steam to 150° C (302 °F)

Process temperature

-20 ... +100 °C (-4 ... +212 °F)

Ambient conditions

• Ambient temperature

-20 ... +85 °C (-4 ... +185 °F)

• Storage temperature

-50 ... +85 °C (-58 ... +185 °F)

• Climatic class

- Condensation

Permissible

• Electromagnetic compatibility

- Emitted interference and interference im-

munity

To EN 61326 and NAMUR NE 21

Design

Weight (without options)

≈ 1.5 kg (≈ 3.3 lb)

Housing material

Poor in copper die-cast aluminium, GD-AlSi12 or stainless steel precision casting, mat. No. 1.4408

Wetted parts materials

Stainless steel

• Gasket (standard)

PTFE flat gasket

• O-ring (minibolt)

FPM (Viton) or optionally: FFPM or NBR

Measuring cell filling

Silicone oil or inert filling liquid

Process connection (standard)

Front-flush, 1½", PMC Standard design

Process connection (minibolt)

Front-flush, 1", minibolt design

Power supply U

H

Supplied through bus

Terminal voltage on transmitter

10.5 ... 45 V DC
10.5 ... 30 V DC in intrinsically-safe mode

-

Separate 24 V power supply necessary

-

No

Bus voltage

• Not Ex

-

9 ... 32 V

• With intrinsically-safe operation

-

9 ... 24 V

Current consumption

• Basic current (max.)

-

12.5 mA

• Startup current

≤ basic current

-

Yes

• Max. current in event of fault

-

15.5 mA

Fault disconnection electronics (FDE) avail-
able

-

Yes

Certificate and approvals

Classification according to pressure equip-
ment directive (DRGL 97/23/EC)

For gases of fluid group 1 and liquids of fluid group 1; complies with requirements of Article 3, para-
graph 3 (sound engineering practice)

SITRANS P, DS III series for gage pressure with PMC connection for the paper industry

HART

PROFIBUS PA or FOUNDATION Fieldbus

© Siemens AG 2008