Marine Instruments User Manual

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SITRANS P measuring instruments for pressure

Transmitters for food, pharmaceuticals and biotechnology

SITRANS P300 for gage and absolute pressure

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Siemens FI 01 · 2009

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.)

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-

ic process variables

Yes, linearly rising or falling char-

acteristic

- Electrical damping T

, adjust-

able

0 ... 100 s

- 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

two pressures

Yes

- Monitoring of sensor limits Yes

- Specification of a container

characteristic with

Max. 30 nodes

- Square-rooted characteristic

for flow measurement

Yes

- Gradual volume suppression

and implementation point of

square-root extraction

Parameterizable

- Simulation function for mea-

sured pressure value and sen-

sor temperature

Constant value or over parameter-

izable ramp function

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

, 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