© Siemens AG 2008

SITRANS P measuring instruments for pressure

Transmitters for gage pressure for the paper industry

DS III series with PMC connection

SITRANS P, DS III series 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 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

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Image 54
Siemens technical specifications Profibus PA communication, Analog input Adaptation to customer-specif