Siemens technical specifications Profibus PA or Foundation Fieldbus

© Siemens AG 2008

SITRANS P measuring instruments for pressure

Transmitters for gage, absolute and differential pressure, flow and level

DS III series for absolute pressure (from gage pressure series)

SITRANS P, DS III series for absolute pressure (from the gage pressure series)

		HART	PROFIBUS PA or FOUNDATION Fieldbus
	Rated operating conditions
	Degree of protection (to EN 60529)	IP65
2
	Process temperature
	• Measuring cell with silicone oil filling	-40 ... +100 °C (-40 ... +212 °F)
	• Measuring cell with inert filling liquid	-20 ... +100 °C (-4 ... +212 °F)
	• In conjunction with dust explosion protec-	-20 ... +60 °C (-4 ... +140 °F)
	tion
	Ambient conditions
	• Ambient temperature
	- Digital indicators	-30 ... +85 °C (-22 ... +185 °F)
	• Storage temperature	-50 ... +85 °C (-58 ... +185 °F)
	• Climatic class
	- Condensation	Permissible
	• Electromagnetic compatibility
	- Emitted interference and interference im-	To EN 61326 and NAMUR NE 21
	munity
	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
	• Connection shank	Stainless steel, mat. No. 1.4404/316L or Hastelloy C4, mat. No. 2.4610
	• Oval flange	Stainless steel, mat. No. 1.4404/316L
	• Seal diaphragm	Stainless steel, mat. No. 1.4404/316L or Hastelloy C276, mat. No. 2.4819
	Measuring cell filling	Silicone oil or inert filling liquid (max. 160 bar a (2320 psi a) with oxygen measurement)
	Process connection	Connection shank G½A to DIN EN 837-1, female thread ½ -14 NPT or oval flange (PN 160
		(MWP 2320 psi a)) to DIN 19213 with mounting thread M10 or 7/16-20 UNF to EN 61518
	Material of the mounting bracket
	• Steel	Sheet steel, Mat. No. 1.0330, chrome-plated
	• Stainless steel	Stainless steel, Mat. No. 1.4301 (SS304)
	Power supply UH		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-	-	Yes
	able

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Siemens FI 01 · 2009