SIEMENS SITRANS P DS III for absolute pressure (differential 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)

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

250 mbar
25 kPa a
100 inH₂O a

32 bar a
3.2 MPa a
464 psia

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

1300 mbar
130 kPa a
525 inH₂O a

32 bar a
3.2 MPa a
464 psia

160 … 5000 mbar a
16 … 500 kPa a
2.32 … 72.52 psia

5000 mbar a
500 kPa a
72.52 psia

32 bar a
3.2 MPa a
464 psia

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

30 bar a
3 MPa a
435 psia

160 bar a
16 MPa a
2320 psia

5.3 … 100 bar a
0.5 … 10 MPa
76.9 … 1450 psia

100 bar a
10 MPa
1450 psia

160 bar a
16 MPa a
2320 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/ 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

R_B ≤ (U_H – 10.5 V)/0.023 A in Ω,
U_H: Power supply in V

–

• With HART

R_B = 230 … 500 Ω (SIMATIC PDM) or
R_B = 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

• 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

≤ (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)

≤ 0.7 mbar/0.07 kPa/0.001015 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 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)

≈ 4.5 kg (≈ 9.9 lb)

Enclosure material

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

Wetted parts materials

• Seal diaphragm

Stainless steel, mat. no. 1.4404/316L or Hastelloy C276, mat. no. 2.4819, Monel, mat. no. 2.4360, tantalum or gold

• Process flanges and sealing screw

Stainless steel, mat. no. 1.4408, Hastelloy C4, mat. no. 2.4602 or Monel, mat. no. 2.4360

• O-ring

FPM (Viton) or optionally: PTFE, FEP, FEPM and NBR

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

¼-18 NPT and flange connection with fastening thread M10 to DIN 19213 or ⁷/₁₆-20 UNF 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 U_H

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 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:
U_i = 30 V, I_i = 100 mA,
P_i = 750 mW; R_i = 300 Ω

FISCO supply unit:
U_o = 17.5 V, I_o = 380 mA, P_o = 5.32 W

Linear barrier:
U_o = 24 V, I_o = 250 mA, P_o = 1.2 W

• Effective internal inductance/capacitance

L_i = 0.4 mH, C_i = 6 nF

L_i = 7 μH, C_i = 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: U_H = 10.5 … 45 V DC

To circuits with operating values: U_H = 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:
U_i = 30 V, I_i = 100 mA,
P_i = 750 mW, R_i = 300 Ω

FISCO supply unit:
U_o = 17.5 V, I_o = 380 mA, P_o = 5.32 W

Linear barrier:
U_o = 24 V, I_o = 250 mA, P_o = 1.2 W

• Effective internal inductance/capacitance

L_i = 0.4 mH, C_i = 6 nF

L_i = 7 μH, C_i = 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: U_H = 10.5 … 45 V DC; P_max = 1.2 W

To circuits with operating values: U_H = 9 … 32 V DC; P_max = 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)

U_m = 45 V

U_m = 32 V

• Connection (Ex ic)

To circuits with operating values:
U_i = 45 V

FISCO supply unit:
U_o = 17.5 V, I_o = 570 mA

Linear barrier:
U_o = 32 V, I_o = 132 mA, P_o = 1 W

• Effective internal inductance/capacitance

L_i = 0.4 mH, C_i = 6 nF

L_i = 7 μH, C_i = 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

230 … 1100 Ω

Protocol

HART Version 5.x

Software for computer

SIMATIC PDM

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

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