Sitrans p measuring instruments for pressure – Siemens SITRANS P User Manual
Page 53
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
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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