Siemens Hart communication 230 .. Ω Protocol, Reset function due to metering, Bytes

© Siemens AG 2008

SITRANS P measuring instruments for pressure

Transmitters for gage pressure for the paper industry

SITRANS P300 with PMC connection

SITRANS P300 for gage pressure with PMC connection for the paper industry

	HART communication
	HART communication	230 ... 1100 Ω
2	Protocol	HART Version 5.x
	Software for computer	SIMATIC PDM

PROFIBUS PA communication
Simultaneous communication with	4
master class 2 (max.)
The address can be set using	configuration tool
	Local operation
	(standard setting Address 126)
Cyclic data usage
• Output byte	One measuring value: 5 bytes
	Two measuring values: 10 bytes
• Input byte	Register operating mode: 1 bytes
	Reset function due to metering.
	1 bytes
Device profile	PROFIBUS PA Profile for Process
	Control Devices Version 3.0,
	Class B
Function blocks	2
• Analog input
- Adaptation to customer-specific	Linearly rising or falling character-
process variables	istic
- Electrical damping T63	0 ... 100 s adjustable
- Simulation function	Input /Output
- Limit monitoring	One upper and lower warning limit
	and one alarm limit respectively
• Register (totalizer)	Can be reset and preset
	Optional direction of counting
	Simulation function of the register
	output
- Limit monitoring	One upper and lower warning limit
	and one alarm limit respectively
• Physical block	1
Transducer blocks	2
• Pressure transducer block
- Monitoring of sensor limits	Yes
- Specification of a container	Max. 31 nodes
characteristic with
- Characteristic	Linear
- Simulation function	Available
• Transducer block "Electronic tem-
perature"
- Simulation function	Available

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