Siemens SITRANS P - Manual (Page 60)

SITRANS P measuring instruments for pressure
Transmitters for gage pressure for the paper industry
SITRANS P300 with PMC connection
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SITRANS P300 for gage pressure with PMC connection for the
paper industry
HART communication
HART communication 230 ... 1100 Ω
Protocol HART Version 5.x
Software for computer SIMATIC PDM
PROFIBUS PA communication
Simultaneous communication with
master class 2 (max.) 4
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
process variables
Linearly rising or falling character-
istic
- Electrical damping T
63
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
characteristic with
Max. 31 nodes
- 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-
ic process variables
Yes, linearly rising or falling char-
acteristic
- Electrical damping T
63
, adjust-
able
0 ... 100 s
- 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
for flow measurement
Yes
• 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
two pressures
Yes
- Monitoring of sensor limits Yes
- Simulation function: Measured
pressure value, sensor temper-
ature and electronics tempera-
ture
Constant value or over parameter-
izable ramp function
© Siemens AG 2008