7MF4997-1BF

Input

Measured variable

Level

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 DINВ 16086)

HART

PROFIBUS PA/FOUNDATION Fieldbus

Span

Nominal measuring range

Max. perm. operating pressure MAWP (PS)

25В ...В 250В mbar
2.5 ... 25 kPa
10 … 100 inH₂O

250В mbar
25 kPa
100 inH₂O

See "Mounting flange"

25В ...В 600В mbar
2.5 ... 60 kPa
10 … 240 inH₂O

600В mbar
60 kPa
240 inH₂O

53В ...В 1600В mbar
5.3 ... 160 kPa
21 … 640 inH₂O

1600В mbar
160 kPa
640 inH₂O

160В ...В 5000В mbar
16 ... 500 kPa
2.32 ... 72.5 psi

5000В mbar
500 kPa
72.5 psi

Low measuring limit

• Measuring cell with silicone oil filling

-100% of max. span and/or 30 mbarВ a/3 KPa a/0.44 psia, depending on mounting flange

• Measuring cell with inert liquid

-100% of max. span and/or 30 mbarВ a/3 KPa a/0.44 psia, depending on mounting flange

Upper measuring limit

100 % of max. span

Start of scale

Between the measuring limits (infinitely adjustable)

Output

HART

PROFIBUS PA/FOUNDATION Fieldbus

Output signal

4В ...В 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 О© (SIMATIC PDM) or
R_B = 230 ... 1100 О© (HART Communicator)

-

Physical bus

-

IECВ 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 25В В°C (77В В°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/3.6 psi

r ≤ 5 :
5 < r ≤ 10 :

≤ 0.125 %
≤ (0.007 · r + 0.09) %

• 600 mbar/60 kPa/8.7 psi

r ≤ 5 :
5 < r ≤ 25 :

≤ 0.125 %
≤ (0.007 · r + 0.09) %

• 1600 mbar/160 kPa/23.21 psi
  5 bar/500 kPa/72.5 psi

r ≤ 5 :
5 < r ≤ 30 :

≤ 0.125 %
≤ (0.007 · r + 0.09) %

Effect of ambient temperature

• 250 mbar/25 kPa/3.6 psi

≤ (0.4 · r + 0.16) %

• 600 mbar/60 kPa/8.7 psi

≤ (0.24 · r + 0.16) %

• 1600 mbar/160 kPa/23.21 psi
  5 bar/500 kPa/72.5 psi

≤ (0.2 · r + 0.16) %

Effect of static pressure

• on the start of scale

• 250 mbar/25 kPa/3.6 psi

≤ (0.3 · r) % per nominal pressure

• 600 mbar/60 kPa/8.7 psi

≤ (0.15 · r) % per nominal pressure

• 1600 mbar/160 kPa/23.21 psi
  5 bar/500 kPa/72.5 psi

≤ (0.1 · r) % per nominal pressure

• on the span

≤ (0.1 · r) % per nominal pressure

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

≤ (0.25 · r) % in 5 years, static pressure max. 70 bar/7 MPa/1015 psi

Influence of mounting position

depending on the fill fluid in the mounting flange

Effect of auxiliary power (in percent per voltage change)

0.005 % per 1 V

Measured-value resolution for PROFIBUS PA and FOUNDATION Fieldbus

3В В·В 10^-5 of nominal measuring range

Rated conditions

Degree of protection according to IECВ 60529

IP66 (optional IP66/IP68), NEMA 4X

Temperature of medium

Note: Always consider the assignment of max. permissible operating temperature to max. permissible operating pressure of the respective flange connection!

• Measuring cell with silicone oil filling

-40В ...В +100⁵⁾В В°C (-40В ...В +212⁵⁾В В°F)

• High-pressure side

p_abs ≥ 1 bar: -40 ... +175 °C (-40 ... +347 °F)

p_abs < 1В bar: -40В ...В +80В В°C (-40В ...В +176В В°F)

• Low-pressure side

-40В ...В +100В В°C (-40В ...В +212В В°F)

-20 ... +60 В°C (-4 ... +140 В°F) in conjunction with dust explosion protection

Ambient conditions

• Ambient temperature

• Transmitters

-40В ...В +85В В°C (-40В ...В +185В В°F)

• Display readable

-30В ...В +85В В°C (-22В ...В +185В В°F)

• Storage temperature

-50В ...В +85В В°C (-58В ...В +185В В°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 IECВ 61326 and NAMURВ NEВ 21

Design

Weight (without options)

To EN (pressure transmitter with mounting flange, without tube)

≈ 11 ... 13 kg (≈ 24.2 ... 28.7 lb)

To ASME (pressure transmitter with mounting flange, without tube)

≈ 11 ... 18 kg (≈ 24.2 ... 39.7 lb)

Enclosure material

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

Wetted parts materials

High-pressure side:

• Seal diaphragm of mounting flange

• Stainless steel, mat. no.В 1.4404/316L
  • coated with PFA
  • coated with PTFE
  • coated with ECTFE
  • Gold-plated
• Monel 400, mat. no. 2.4360
• Hastelloy C276, mat. no. 2.4619
• Hastelloy C4, mat. no. 2.4602
• Hastelloy C22, mat. no. 2.4602
• Tantalum
• Titanium, mat. no. 3.7035
• Nickel 201
• Duplex 2205, mat. no. 1.4462

Measuring cell filling

Silicone oil

Process connection

• High-pressure side

Flange to EN and ASME

• Low-pressure side

Female thread Вј-18В NPT and flange connection with fastening thread M10 to DINВ 19213 or ⁷/₁₆-20В UNF to IECВ 61518/DINВ ENВ 61518

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 (PEDВ 2014/68/EU)

For gases of fluid group 1 and liquids of fluid groupВ 1; complies with requirements of articleВ 4, paragraphВ 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 В°C (-40 ... +185 В°F) temperature class T4;
-40 ... +70 В°C (-40 ... +158 В°F) temperature class T5;
-40 ... +60 В°C (-40 ... +140 В°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_iВ =В 300В О©

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 ОјH, 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 В°C (-40 ... +185 В°F) temperature class T4;
-40 ... +60 В°C (-40 ... +140 В°F) temperature class T6

• Wiring

To circuits with operating values: U_HВ =В 10.5В ...В 45 V DC

To circuits with operating values: U_HВ =В 9В ...В 32 V DC

• Dust explosion protection for zone 20

PTB 01 ATEX 2055

• Marking

Ex II 1 D Ex ta IIIC T120В°C Da
Ex II 1/2 D Ex ta/tb IIIC T120В°C Da/Db

• Permissible ambient temperature

-40В ...В +85В В°C (-40В ...В +185В В°F)

• Max. surface temperature

120 В°C (248 В°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 О©

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 ОјH, C_i = 1.1 nF

• Dust explosion protection for zone 21/22

PTB 01 ATEX 2055

• Marking

Ex II 2 D Ex tb IIIC T120В°C Db

• Wiring

To circuits with operating values: U_HВ =В 10.5В ...В 45 V DC; P_max = 1.2 W

To circuits with operating values: U_HВ =В 9В ...В 32 VВ 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 ОјH, C_i = 1.1 nF

• Explosion protection acc. to FM

Certificate of Compliance 3008490

• Designation (XP/DIP) or (IS); (NI)

CLВ I, DIVВ 1, GP ABCD T4...T6; CLВ II, DIVВ 1, GPВ EFG; CLВ III; CLВ I, ZNВ 0/1 AEx ia IIC T4...T6; CLВ I, DIVВ 2, GPВ ABCD T4...T6; CLВ II, DIVВ 2, GPВ FG; CLВ 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

230В ...В 1100В О©

Protocol

HART Version 5.x

Software for computer

SIMATICВ 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, ClassВ 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, 1В 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

Mounting flange

Nominal diameter

Nominal pressure

• Acc. to EN 1092-1

• DN 80

PN 40

• DN100

PN 16, PN 40

• To ASMEВ B16.5

• 3 inch

Class 150, class 300

• 4 inch

Class 150, class 300