7MF4134-.....-....

Input

Measured variable

Gauge pressure

Span (fully adjustable) or nominal measuring range, max. operating pressure and max. test pressure

HART

PROFIBUS PA and FOUNDATION Fieldbus

Span

Nominal measuring range

Max. perm. operating pressure MAWP (PS)

Max. permissible test pressure

0.01 ... 1 bar
1 ... 100 kPa
0.15 ... 14.5 psi

1 bar
100 kPa
14.5 psi

4 bar
400 kPa
58 psi

6 bar
600 kPa
87 psi

0.04 ... 4 bar
4 ... 400 KPa
0.58 ... 58 psi

4 bar
400 KPa
58 psi

7 bar
0.7 MPa
102 psi

10 bar
1 MPa
145 psi

0.16 ... 16 bar
16 .... 1600 kPa
2.32 ... 232 psi

16 bar
1600 kPa
232 psi

21 bar
2.1 MPa
305 psi

32 bar
3.2 MPa
464 psi

Lower measuring limit
(for PMC Style Minibolt no span < 500 mbar adjustable)

100 mbar a/10 kPa a/1.45 psia

Upper measuring limit

100 % of max. span

Output

HART

PROFIBUS PA and FOUNDATION Fieldbus

Output signal

4 ... 20 mA

Digital PROFIBUS PA and FOUNDATION Fieldbus signal

• Lower limit (fully adjustable)

3.55 mA, factory preset to 3.84 mA

-

• Upper limit (fully 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 ?,
U_H: Power supply in V

-

• With HART

R_B = 230 ... 500 ? (SIMATIC PDM) or
R_B = 230 ... 1100 ? (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 ? 5

? 0.075 %

• 5 < r ? 100

? (0.005 · r + 0.05) %

Ambient temperature influence

? (0.08 · r + 0.16) %

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

? (0.25 · r) % in 5 years

Influence of mounting position

? 0.1 mbar/0.01 kPa/0.00145 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

-40 ... +100 °C (-40 ... +212 °F)

Ambient conditions

• Ambient temperature

• Transmitter
  (with 4-wire connection, observe temperature values of supplementary 4-wire electronics)

-40 ... +85 °C (-40 ... +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

• Gasket (standard)

PTFE flat gasket

• O-ring (minibolt)

FPM (Viton) or optionally: FFPM or NBR

Measuring cell filling

Silicone oil or inert fill fluid

Process connection (standard)

Flush-mounted, 1?", PMC Standard design

Process connection (minibolt)

Flush-mounted, 1", minibolt design

Power supply U_H

HART

PROFIBUS PA and 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

Classification according to PED 97/23/EC

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

HART

230 ... 1100 ?

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