7MF4997-1CB

Input

Measured variable

Differential pressure and flow

Span (fully adjustable) or measuring range and maximum operating pressure (pursuant to 97/23/EC Pressure Equipment Directive)

HART

PROFIBUS PA and FOUNDATION Fieldbus

Span

Nominal measuring range

Max. perm. operating pressure MAWP (PS)

2.5 ... 250 mbar
0.2 ... 25 kPa
1 ... 100 inH₂O

2.5 ... 250 mbar
0.2 ... 25 kPa
1 ... 100 inH₂O

160 bar
16 MPa
2320 psi

6 ... 600 mbar
0.6 ... 60 kPa
2.4 ... 240 inH₂O

6 ... 600 mbar
0.6 ... 60 kPa
2.4 ... 240 inH₂O

16 ... 1600 mbar
1.6 .... 160 kPa
6.4 ... 642 inH₂O

16 ... 1600 mbar
1.6 .... 160 kPa
6.4 ... 642 inH₂O

50 ... 5000 mbar
5 ... 500 kPa
20 ... 2000 inH₂O

50 ... 5000 mbar
5 ... 500 kPa
20 ... 2000 inH₂O

0.3 ... 30 bar
0.03 ... 3 MPa
4.35 ... 435 psi

0.3 ... 30 bar
0.03 ... 3 MPa
4.35 ... 435 psi

6 ... 600 mbar
0.6 ... 60 kPa
2.4 ... 240 inH₂O

6 ... 600 mbar
0.6 ... 60 kPa
2.4 ... 240 inH₂O

420 bar
42 MPa
6091 psi

16 ... 1600 mbar
1.6 ... 160 kPa
6.4 ... 642 inH₂O

16 ... 1600 mbar
1.6 ... 160 kPa
6.4 ... 642 inH₂O

50 ... 5000 mbar
5 ... 500 kPa
20 ... 2000 inH₂O

50 ... 5000 mbar
5 ... 500 kPa
20 ... 2000 inH₂O

0.3 ... 30 bar
0.03 ... 3 MPa
4.35 ... 435 psi

0.3 ... 30 bar
0.03 ... 3 MPa
4.35 ... 435 psi

Low measuring limit

• Measuring cell with silicone oil filling

-100% of max. measuring range (-33 % for measuring cell 30 bar/3 MPa/435 psi) or 30 mbar a/3 kPa a/0.44 psi a

Upper measuring limit

100% of maximum span

Start of scale

Between the measuring limits (continuously adjustable)

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

• 250 mbar/25 kPa/3.63 psi
  600 mbar/60 kPa/8.7 psi
  1600 mbar/160 MPa/23.21 psi
  5 bar/500 kpa/72.5 psi
  30 bar/3 MPa/435 psi

r ? 5 :
5 < r ? 100 :

? 0.04 %
? (0.004 · r + 0.045) %

• Square-rooted characteristic (flow > 50 %)

• 250 mbar/25 kPa/3.63 psi
  600 mbar/60 kPa/8.7 psi
  1600 mbar/160 MPa/23.21 psi
  5 bar/500 kpa/72.5 psi
  30 bar/3 MPa/435 psi

r ? 5 :
5 < r ? 100 :

? 0.04 %
? (0.004 · r + 0.045) %

• Square-rooted characteristic (flow 25 ... 50%)

• 250 mbar/25 kPa/3.63 psi
  600 mbar/60 kPa/8.7 psi
  1600 mbar/160 MPa/23.21 psi
  5 bar/500 kpa/72.5 psi
  30 bar/3 MPa/435 psi

r ? 5 :
5 < r ? 100 :

? 0.08 %
? (0.008 · r + 0.09) %

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

• 250 mbar/25 kPa/3.63 psi
  600 mbar/60 kPa/8.7 psi
  1600 mbar/160 MPa/23.21 psi
  5 bar/500 kpa/72.5 psi
  30 bar/3 MPa/435 psi

? (0.025 · r + 0.125) %

Effect of static pressure

• 250 mbar/25 kPa/3.63 psi
  600 mbar/60 kPa/8.7 psi
  1600 mbar/160 MPa/23.21 psi

? (0.1 · r) % per 70 bar
(zero-point correction is possible with position error adjustment)

• 5 bar/500 kpa/72.5 psi
  30 bar/3 MPa/435 psi

? (0.2 · r) % per 70 bar
(zero-point correction is possible with position error adjustment)

• on the span

• 250 mbar/25 kPa/3.63 psi
  600 mbar/60 kPa/8.7 psi
  1600 mbar/160 MPa/23.21 psi
  5 bar/500 kpa/72.5 psi
  30 bar/3 MPa/435 psi

? 0.14% per 70 bar

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

Static pressure max. 70 bar/7 MPa/1015 psi

• 250 mbar/25 kPa/3.63 psi
  600 mbar/60 kPa/8.7 psi
  1600 mbar/160 MPa/23.21 psi
  5 bar/500 kpa/72.5 psi

? (0.125 · r) % in 5 years

• 30 bar/3 MPa/435 psi

? (0.25 · r) % in 5 years

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

? 0.7 mbar/0.07 kPa/0.028 inH₂O 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 acc. to IEC 60529

IP66 (optional IP66/IP68), NEMA 4X

Process temperature

• 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

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

-40 ... +85 °C (-40 ... +185 °F)

• Display readable

-30 ... +85 °C (-22 ... +185 °F)

• Storage temperature

-50 ... +85 °C (-58 ... +185 °F)

• Climate 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)

Die-cast aluminum: ? 4.5 kg (? 9.9 lb)
Stainless steel precision casting: ? 7.1 kg (? 15.6 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

• Process flanges and sealing screw

Stainless steel, mat. no. 1.4408, Hastelloy C4, mat. no. 2.4610

• 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

Female thread ?-18 NPT and flange connection with mounting thread M10 to DIN 19213 or ⁷/₁₆-20 UNF to IEC 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)

Power supply 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

• Starting 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 97/23/EC)

PN 32/160 (MAWP 464/2320 psi)

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

PN 420 (MAWP 6092 psi)

For gases of fluid group 1 and liquids of fluid group 1; complies with basic safety requirements of Article 3, paragraph 1 (appendix 1); assigned to category III, conformity evaluation module H by the TUV Nord.

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 ?

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 ?H, 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

• Perm. 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 ?

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 ?H, 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 ?H, C_i = 1.1 nF

• Explosion protection to FM

Certificate of Compliance 3008490

• Designation (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 ?

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

• Response to failure

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

• Limit value 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

• Response to failure

parameterizable (summation with last good value, continuous summation, summation with incorrect value)

• Limit value 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)

• Response to failure

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

• Limit value 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