SIEMENS SITRANS P DS III for absolute pressure (gauge pressure series)

Product No. / Product Description Listprice / Your price
7MF4233-…..-….
SITRANS P DS III, HART, 4-20 MA transmitter for absolute pressure from pressure transmitter series
7MF4234-…..-….
SITRANS P, transmitter for absolute pressure from pressure transmitter series, DS III PROFIBUS PA series
7MF4235-…..-….
SITRANS P, transmitter for absolute pressure from pressure transmitter series, DS III Fieldbus foundation series

Technical specifications

SITRANS P DS III series for absolute pressure (from the gauge pressure series)

Input

Measured variable

Absolute pressure

Span (infinitely adjustable) or nominal measuring range, max. operating pressure (in accordance with 97/23/EC Pressure Equipment Directive) and max. test pressure (pursuant to DIN 16086)

HART

PROFIBUS PA and FOUNDATION Fieldbus

Span

Nominal measuring range

Max. perm. operating pressure MAWP (PS)

Max. permissible test pressure

8.3 … 250 mbar a
0.83 … 25 kPa a
3 … 100 inH2O a

250 mbar a
25 kPa a
100 inH2O a

1.5 bar a
150 kPa a
21.8 psia

6 bar a
600 kPa a
87 psia

43 … 1300 mbar a
4.3 … 130 kPa a
17 … 525 inH2O a

1300 mbar a
130 kPa a
525 inH2O a

2.6 bar a
260 kPa a
37.7 psia

10 bar a
1 MPa a
145 psia

160 … 5000 mbar a
16 … 500 kPa a
2.32 … 72.5 psia

5000 mbar a
500 kPa a
72.5 psia

10 bar a
1 MPa a
145 psia

30 bar a
3 MPa a
435 psia

1 … 30 bar a
0.1 … 3 MPa a
14.5 … 435 psia

30 bar a
3 MPa a
435 psia

45 bar a
4.5 MPa a
653 psia

100 bar a
10 MPa a
1450 psia

5.3 … 160 bar a
0.53 … 16 MPa a
76.9 … 2321 psia

160 bar a
16 MPa
2321 psia

167 bar a
16.7 MPa
2422 psia

250 bar a
25 MPa
3626 psia

13.3 … 400 bar a
1.3 … 40 MPa a
192.9 … 5802 psia

400 bar a
40 MPa a
5802 psia

400 bar a
40 MPa a
5802 psia

600 bar a
60 MPa a
8702 psia

23.3 … 700 bar a
2.33 … 70 MPa a
338 … 10153 psia

700 bar a
70 MPa a
10153 psia

800 bar a
80 MPa a
11603 psia

800 bar a
80 MPa a
11603 psia

Low measuring limit

  • Measuring cell with silicone oil filling

0 mbar a/0 kPa a/0 psia

  • Measuring cell with inert liquid
  • for process temperature -20 °C < ϑ ≤ +60 °C
    (-4 °F < ϑ ≤ +140 °F)

30 mbar a/3 kPa a/0.44 psia

  • for process temperature 60 °C < ϑ ≤ +100 °C (max. 85 °C for measuring cell 30 bar) (140 °F < ϑ ≤ +212 °F (max. 185 °F for measuring cell 435 psi))

30 mbar a + 20 mbar a . ( ϑ – 60 °C)/°C
3 kPa a + 2 kPa a . ( ϑ – 60 °C)/°C
0.44 psi a + 0.29 psi a . ( ϑ – 140 °F)/°F

Upper measuring limit

100% of the max. measuring span (for oxygen measurement max. 100 bar/10 MPa/ 1450 psi and 60 °C (140 °F) ambient temperature/process temperature)

Start of scale

Between the measuring limits (infinitely adjustable)

Output

HART

PROFIBUS PA and FOUNDATION Fieldbus

Output signal

4 … 20 mA

Digital PROFIBUS PA and FOUNDATION Fieldbus signal

  • Lower limit (infinitely adjustable)

3.55 mA, factory preset to 3.84 mA

  • Upper limit (infinitely adjustable)

23 mA, factory preset to 20.5 mA or optionally set to 22.0 mA

Load

  • Without HART

RB ≤ (UH – 10.5 V)/0.023 A in Ω,
UH: Power supply in V

  • With HART

RB = 230 … 500 Ω (SIMATIC PDM) or
RB = 230 … 1100 Ω (HART Communicator)

Physical bus

IEC 61158-2

Protection against polarity reversal

Protected against short-circuit and polarity reversal. Each connection against the other with max. supply voltage.

Electrical damping (step width 0.1 s)

Set to 2 s (0 … 100 s)

Measuring accuracy

According to IEC 60770-1

Reference conditions
(All error data refer always refer to the set span)

  • Rising characteristic curve
  • Start of scale 0 bar
  • Seal diaphragm stainless steel
  • Silicone oil filling
  • Room temperature 25 °C (77 °F)

Measuring span ratio r (spread, Turn-Down)

r = maximum measuring span/set measuring span or nominal measuring range

Error in measurement at limit setting including hysteresis and reproducibility

  • Linear characteristic
  • r ≤ 10

≤ 0.1 %

  • 10 < r ≤ 30

≤ 0.2 %

Influence of ambient temperature
(in percent per 28 °C (50 °F))

  • 250 mbar a/25 kPa a/3.6 psia

≤ (0.15 · r + 0.1) %

  • 1300 mbar a/130 kPa a/18.8 psia
    5 bar a/500 kPa a/72.5 psia
    30 bar a/3000 kPa a/435 psia
    100 bar a/10 MPa a/1450 psia
    160 bar a/16 MPa a/2321 psia
    400 bar a/40 MPa a/5802 psia
    700 bar a/70 MPa a/10152 psia

≤ (0.08 · r + 0.16) %

Long-term stability (temperature change ±30 °C (±54 °F))

≤ (0.25 · r) % in 5 years

Effect of mounting position (in pressure per change of angle)

≤ 0.05 mbar/0.005 kPa/0.000725 psi per 10° incline
(zero point correction is possible with position error compensation)

Effect of auxiliary power (in percent per voltage change)

0.005 % per 1 V

Measured-value resolution for PROFIBUS PA and FOUNDATION Fieldbus

3 · 10-5 of nominal measuring range

Rated conditions

Degree of protection according to IEC 60529

IP66 (optional IP66/IP68), NEMA 4X

Temperature of medium

  • Measuring cell with silicone oil filling

-40 … +100 °C (-40 … +212 °F)
-20 … +100 °C (-4 … +212 °F) with 30 bar a measuring cell

  • Measuring cell with inert fill fluid

-20 … +100 °C (-4 … +212 °F)

  • In conjunction with dust explosion protection

-20 … +60 °C (-4 … +140 °F)

Ambient conditions

  • Ambient temperature
  • Transmitters

-40 … +85 °C (-40 … +185 °F)

  • Display readable

-30 … +85 °C (-22 … +185 °F)

  • Storage temperature

-50 … +85 °C (-58 … +185 °F)

  • Climatic class
  • Condensation

Relative humidity 0 … 100%
Condensation permissible, suitable for use in the tropics

  • Electromagnetic compatibility
  • Emitted interference and interference immunity

According to IEC 61326 and NAMUR NE 21

Design

Weight (without options)

≈ 1.5 kg (≈ 3.3 lb)

Enclosure material

Low-copper die-cast aluminum, GD-AlSi 12 or stainless steel precision casting, mat. no. 1.4408

Wetted parts materials

  • Connection shank

Stainless steel, mat. no. 1.4404/316L or Hastelloy C4, mat. no. 2.4602

  • Oval flange

Stainless steel, mat. no. 1.4404/316L

  • Seal diaphragm

Stainless steel, mat. no. 1.4404/316L or Hastelloy C276, mat. no. 2.4819

Measuring cell filling

Silicone oil or inert fill fluid (for oxygen measurement, maximum pressure 100 bar (1450 psi) at 60 °C (140 °F))

Process connection

G½B connection shank according to EN 837-1, female thread ½-14 NPT or oval flange (PN 160 (MAWP 2320 psia)) according to DIN 19213 with fastening thread M10 or 7/16-20 UNF according to IEC 61518/DIN EN 61518

Material of mounting bracket

  • Steel

Sheet-steel, mat. no. 1.0330, chrome-plated

  • Stainless steel

Sheet stainless steel, mat. no. 1.4301 (SS 304)

Auxiliary power UH

HART

PROFIBUS PA/FOUNDATION Fieldbus

Terminal voltage on transmitter

10.5 … 45 V DC
10.5 … 30 V DC in intrinsically-safe mode

Auxiliary power

Bus-powered

Separate supply voltage

Not necessary

Bus voltage

  • Not Ex

9 … 32 V

  • With intrinsically-safe operation

9 … 24 V

Current consumption

  • Basic current (max.)

12.5 mA

  • Start-up current ≤ basic current

Yes

  • Max. current in event of fault

15.5 mA

Fault disconnection electronics (FDE) available

Yes

Certificates and approvals

HART

PROFIBUS PA/FOUNDATION Fieldbus

Classification according to pressure equipment directive (PED 2014/68/EU)

For gases of fluid group 1 and liquids of fluid group 1; complies with requirements of article 4, paragraph 3 (sound engineering practice)

Explosion protection

  • Intrinsic safety “i”

PTB 13 ATEX 2007 X

  • Marking

Ex II 1/2 G Ex ia/ib IIB/IIC T4/T5/T6 Ga/Gb

  • Permissible ambient temperature

-40 … +85 °C (-40 … +185 °F) temperature class T4;
-40 … +70 °C (-40 … +158 °F) temperature class T5;
-40 … +60 °C (-40 … +140 °F) temperature class T6

  • Wiring

To certified intrinsically-safe circuits with peak values:
Ui = 30 V, Ii = 100 mA,
Pi = 750 mW; Ri = 300 Ω

FISCO supply unit:
Uo = 17.5 V, Io = 380 mA, Po = 5.32 W

Linear barrier:
Uo = 24 V, Io = 250 mA, Po = 1.2 W

  • Effective internal inductance/capacitance

Li = 0.4 mH, Ci = 6 nF

Li = 7 μH, Ci = 1.1 nF

  • Flameproof enclosure “d”

PTB 99 ATEX 1160

  • Marking

Ex II 1/2 G Ex d IIC T4/T6 Gb

  • Permissible ambient temperature

-40 … +85 °C (-40 … +185 °F) temperature class T4;
-40 … +60 °C (-40 … +140 °F) temperature class T6

  • Wiring

To circuits with operating values: UH = 10.5 … 45 V DC

To circuits with operating values: UH = 9 … 32 V DC

  • Dust explosion protection for zone 20

PTB 01 ATEX 2055

  • Marking

Ex II 1 D Ex ta IIIC T120°C Da
Ex II 1/2 D Ex ta/tb IIIC T120°C Da/Db

  • Permissible ambient temperature

-40 … +85 °C (-40 … +185 °F)

  • Max. surface temperature

120 °C (248 °F)

  • Wiring

To certified intrinsically-safe circuits with peak values:
Ui = 30 V, Ii = 100 mA,
Pi = 750 mW, Ri = 300 Ω

FISCO supply unit:
Uo = 17.5 V, Io = 380 mA, Po = 5.32 W

Linear barrier:
Uo = 24 V, Io = 250 mA, Po = 1.2 W

  • Effective internal inductance/capacitance

Li = 0.4 mH, Ci = 6 nF

Li = 7 μH, Ci = 1.1 nF

  • Dust explosion protection for zone 21/22

PTB 01 ATEX 2055

  • Marking

Ex II 2 D Ex tb IIIC T120°C Db

  • Wiring

To circuits with operating values: UH = 10.5 … 45 V DC; Pmax = 1.2 W

To circuits with operating values: UH = 9 … 32 V DC; Pmax = 1 W

  • Type of protection “n” (zone 2)

PTB 13 ATEX 2007 X

  • Marking

Ex II 2/3 G Ex nA IIC T4/T5/T6 Gc
Ex II 2/3 G Ex ic IIC T4/T5/T6 Gc

  • Connection (Ex nA)

Um = 45 V

Um = 32 V

  • Connection (Ex ic)

To circuits with operating values:
Ui = 45 V

FISCO supply unit:
Uo = 17.5 V, Io = 570 mA

Linear barrier:
Uo = 32 V, Io = 132 mA, Po = 1 W

  • Effective internal inductance/capacitance

Li = 0.4 mH, Ci = 6 nF

Li = 7 μH, Ci = 1.1 nF

  • Explosion protection acc. to FM

Certificate of Compliance 3008490

  • Marking (XP/DIP) or (IS); (NI)

CL I, DIV 1, GP ABCD T4…T6; CL II, DIV 1, GP EFG; CL III; CL I, ZN 0/1 AEx ia IIC T4…T6; CL I, DIV 2, GP ABCD T4…T6; CL II, DIV 2, GP FG; CL III

  • Explosion protection to CSA

Certificate of Compliance 1153651

  • Marking (XP/DIP) or (IS)

CL I, DIV 1, GP ABCD T4…T6; CL II, DIV 1, GP EFG; CL III; Ex ia IIC T4…T6; CL I, DIV 2, GP ABCD T4…T6; CL II, DIV 2, GP FG; CL III

HART communication

HART

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 or local operation (standard setting address 126)

Cyclic data usage

  • Output byte

5 (one measured value) or
10 (two measured 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 user-specific process variable

Yes, linearly rising or falling characteristic

  • Electrical damping adjustable

0 … 100 s

  • Simulation function

Input /Output

  • Failure mode

parameterizable (last good value, substitute value, incorrect value)

  • Limit monitoring

Yes, one upper and lower warning limit and one alarm limit respectively

  • Register (totalizer)

Can be reset, preset, optional direction of counting, simulation function of register output

  • Failure mode

parameterizable (summation with last good value, continuous summation, summation with incorrect 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 measured pressure value and sensor temperature

Constant value or by means of parameterizable ramp function

FOUNDATION Fieldbus communication

Function blocks

3 function blocks analog input, 1 function block PID

  • Analog input
  • Adaptation to user-specific process variable

Yes, linearly rising or falling characteristic

  • Electrical damping adjustable

0 … 100 s

  • Simulation function

Output/input (can be locked within the device with a bridge)

  • Failure mode

parameterizable (last good value, substitute value, incorrect value)

  • Limit monitoring

Yes, one upper and lower warning limit and one alarm limit respectively

  • Square-rooted characteristic for flow measurement

Yes

  • PID

Standard FOUNDATION Fieldbus 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 temperature and electronics temperature

Constant value or by means of parameterizable ramp function

Dimensional drawings

SITRANS P DS III pressure transmitters for absolute pressure, from the gauge pressure series, dimensions in mm (inch)