Siemens SITRANS P Brochure & Specs page 38

SITRANS P measuring instruments for pressure
Transmitters for food, pharmaceuticals and biotechnology
SITRANS P300 for gage and absolute pressure
HART communication
HART communication
Protocol
Software for computer
2
PROFIBUS PA communication
Simultaneous communication with
master class 2 (max.)
The address can be set using
Cyclic data usage
• Output byte
• Input byte
Internal preprocessing
Device profile
Function blocks
• Analog input
- Adaptation to customer-specif-
ic process variables
- Electrical damping T
able
- Simulation function
- Failure mode
- Limit monitoring
• Register (totalizer)
- Failure mode
- Limit monitoring
• Physical block
Transducer blocks
• Pressure transducer block
- Can be calibrated by applying
two pressures
- Monitoring of sensor limits
- Specification of a container
characteristic with
- Square-rooted characteristic
for flow measurement
- Gradual volume suppression
and implementation point of
square-root extraction
- Simulation function for mea-
sured pressure value and sen-
sor temperature
2/38 Siemens FI 01 · 2009
230 ... 1100 Ω
HART Version 5.x
SIMATIC PDM
4
Configuration tool or local opera-
tion (standard setting address
126)
5 (one measuring value) or
10 (two measuring values)
0, 1, or 2 (register operating mode
and reset function for metering)
PROFIBUS PA Profile for Process
Control Devices Version 3.0,
Class B
2
Yes, linearly rising or falling char-
acteristic
, adjust- 0 ... 100 s
63
Input /Output
Can be parameterized (last good
value, substitute value, incorrect
value)
Yes, one upper and lower warning
limit and one alarm limit respec-
tively
Can be reset, preset, optional
direction of counting, simulation
function of register output
Can be parameterized (summation
with last good value, continuous
summation, summation with incor-
rect value)
One upper and lower warning limit
and one alarm limit respectively
1
2
Yes
Yes
Max. 30 nodes
Yes
Parameterizable
Constant value or over parameter-
izable ramp function
© Siemens AG 2008
Communication FOUNDATION Fieldbus
Function blocks
• Analog input
- Adaptation to customer-specif-
ic process variables
- Electrical damping T
able
- Simulation function
- Failure mode
- Limit monitoring
- Square-rooted characteristic
for flow measurement
• PID
• Physical block
Transducer blocks
• Pressure transducer block
- Can be calibrated by applying
two pressures
- Monitoring of sensor limits
- Simulation function: Measured
pressure value, sensor temper-
ature and electronics tempera-
ture
3 function blocks analog input,
1 function block PID
Yes, linearly rising or falling char-
acteristic
, adjust- 0 ... 100 s
63
Output/input (can be locked within
the device with a bridge)
Can be parameterized (last good
value, substitute value, incorrect
value)
Yes, one upper and lower warning
limit and one alarm limit respec-
tively
Yes
Standard FF function block
1 Resource block
1 transducer block Pressure with
calibration, 1 transducer block
LCD
Yes
Yes
Constant value or over parameter-
izable ramp function