Siemens P technical specifications Hart communication

© 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)

	HART communication
	HART communication	230 ... 1100 Ω
	Protocol	HART Version 5.x
	Software for computer	SIMATIC PDM
2
	PROFIBUS PA communication
	Simultaneous communication with	4
	master class 2 (max.)
	The address can be set using	Configuration tool or local opera-
		tion (standard setting address
		126)
	Cyclic data usage
	• Output byte	5 (one measuring value) or
		10 (two measuring values)
	• Input byte	0, 1, or 2 (register operating mode
		and reset function for metering)
	Internal preprocessing
	Device profile	PROFIBUS PA Profile for Process
		Control Devices Version 3.0,
		Class B
	Function blocks	2
	• Analog input
	- Adaptation to customer-specif-	Yes, linearly rising or falling char-
	ic process variables	acteristic
	- Electrical damping T63 , adjust-	0 ... 100 s
	able
	- Simulation function	Input /Output
	- Failure mode	Can be parameterized (last good
		value, substitute value, incorrect
		value)
	- Limit monitoring	Yes, one upper and lower warning
		limit and one alarm limit respec-
		tively
	• Register (totalizer)	Can be reset, preset, optional
		direction of counting, simulation
		function of register output
	- Failure mode	Can be parameterized (summation
		with last good value, continuous
		summation, summation with incor-
		rect value)
	- Limit monitoring	One upper and lower warning limit
		and one alarm limit respectively
	• Physical block	1
	Transducer blocks	2
	• Pressure transducer block
	- Can be calibrated by applying	Yes
	two pressures
	- Monitoring of sensor limits	Yes
	- Specification of a container	Max. 30 nodes
	characteristic with
	- Square-rooted characteristic	Yes
	for flow measurement
	- Gradual volume suppression	Parameterizable
	and implementation point of
	square-root extraction
	- Simulation function for mea-	Constant value or over parameter-
	sured pressure value and sen-	izable ramp function
	sor temperature

Communication FOUNDATION Fieldbus

Function blocks	3 function blocks analog input,
	1 function block PID
• Analog input
- Adaptation to customer-specif-	Yes, linearly rising or falling char-
ic process variables	acteristic

-Electrical damping T63 , adjust- 0 ... 100 s able

- Simulation function	Output/input (can be locked within
	the device with a bridge)
- Failure mode	Can be parameterized (last good
	value, substitute value, incorrect
	value)
- Limit monitoring	Yes, one upper and lower warning
	limit and one alarm limit respec-
	tively
- Square-rooted characteristic	Yes
for flow measurement
• PID	Standard FF function block
• Physical block	1 Resource block
Transducer blocks	1 transducer block Pressure with
	calibration, 1 transducer block
	LCD
• Pressure transducer block
- Can be calibrated by applying	Yes
two pressures
- Monitoring of sensor limits	Yes
- Simulation function: Measured	Constant value or over parameter-
pressure value, sensor temper-	izable ramp function
ature and electronics tempera-
ture

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Siemens FI 01 · 2009