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HART
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PROFIBUS PA and FOUNDATION Fieldbus
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Input
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Measured variable
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Gauge pressure (flush-mounted)
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Span (fully adjustable) or nominal measuring range and max. permissible test pressure
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Span (min. ... max.)
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Max. permissible test pressure
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Nominal measuring range
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Max. permissible test pressure
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0.01 ... 1 bar (0.15 ... 14.5 psi)
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6 bar (87 psi)
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1 bar (14.5 psi)
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6 bar (87 psi)
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0.04 ... 4 bar (0.58 ... 58 psi)
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10 bar (145 psi)
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4 bar (58 psi)
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10 bar (145 psi)
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0.16 ... 16 bar (2.3 ... 232 psi)
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32 bar (464 psi)
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16 bar (232 psi)
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32 bar (464 psi)
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Depending on the process connection, the span may differ from these values
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Depending on the process connection, the nominal measuring range may differ from these values
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Lower measuring limit
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- Measuring cell with silicone oil
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100 mbar a (1.45 psi)
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Upper measuring limit
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- Measuring cell with silicone oil
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100 % of max. span
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100 % of max. nominal measuring range
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Output
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Output signal
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4 ... 20 mA
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Digital PROFIBUS PA signal
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Physical bus
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-
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IEC 61158-2
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Protection against polarity reversal
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Protected against short-circuit and polarity reversal. Each connection against the other with max. supply voltage.
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Electrical damping (step width 0.1 s)
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Set to 2 s (0 ... 100 s)
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Measuring accuracy
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According to IEC 60770-1
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Reference conditions (All error data always refer to the set span)
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Increasing characteristic, start-of-scale value 0 bar, stainless steel seal diaphragm, measuring cell with silicone oil, room temperature 25 °C (77 °F)
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Span ratio r (r = max. span / set span)
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Nominal measuring range ratio r (r = nominal measuring range/set measuring range)
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Error in measurement at limit setting including hysteresis and reproducibility
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Linear characteristic
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? (0.0029 · r + 0.071) %
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? (0.0029 · r + 0.071) %
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? (0.0045 · r + 0.071) %
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? (0.0045 · r + 0.071) %
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? (0.005 · r + 0.05) %
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? (0.005 · r + 0.05) %
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Step response time T63
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approx. 0.2 NO
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Long-term stability at ±30 °C (±54 °F)
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? (0.25 · r) %/5 years
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? (0.25 · r) %/5 years
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Influence of ambient temperature
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- at -10 ... +60 °C (14 ... 140 °F)
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? (0.1 · r + 0.2) %1)
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? (0.1 · r + 0.2) %1)
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- at -40 ... -10 °C and 60 ... 85 °C
(-40 ... 14 °F and 140 ... 185 °F)
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? (0.1 · r + 0.15) %/10 K
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? (0.1 · r + 0.15) %/10 K
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Influence of the medium temperature
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- Temperature difference between medium temperature and ambient temperature
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3 mbar/10 K (1.2 inH2O/10 K)
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Rated conditions
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Installation conditions
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Ambient temperature
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Observe the temperature class in areas subject to explosion hazard.
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- Measuring cell with silicone oil
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-40 ... +85 °C (-40 ... +185 °F)
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-30 ... +85 °C (-22 ... +185 °F)
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-50 ... +85 °C (-58 ... +185 °F)
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Climatic class
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Condensation
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Relative humidity 0 ... 100 % Condensation permissible, suitable for use in the tropics
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Degree of protection acc. to EN 60529
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IP66 (optional IP66/IP68), NEMA 4X
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Electromagnetic Compatibility
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- Emitted interference and interference immunity
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Acc. to EN 61326 and NAMUR NE 21
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Medium conditions
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Temperature of medium
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- Measuring cell with silicone oil
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-40 ... +100 °C (-40 ... +212 °F)
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Design
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Weight (without options)
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Approx. 1 kg (2.2 lb)
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Enclosure material
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Stainless steel, mat. no. 1.4301/304
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Material of parts in contact with the medium
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Hastelloy C276, mat. no. 2.4819
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Silicone oil
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Surface quality touched-by-media
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Ra-values ? 0.8 µm (32 µ-inch)/welds Ra ? 1.6 µm (64 µ-inch)
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Power supply UH
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Terminal voltage on transmitter
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10.5 ... 42 V DC for intrinsically safe operation: 10.5 ... 30 V DC
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Supplied through bus
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Separate power supply
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-
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Not necessary
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Bus voltage
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-
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9 ... 32 V
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- With intrinsically-safe operation
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-
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9 ... 24 V
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Current consumption
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-
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12.5 mA
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- Start-up current ? basic current
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-
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Yes
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- Max. fault current in the event of a fault
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-
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15.5 mA
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Fault disconnection electronics (FDE)
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-
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Available
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Certificates and approvals
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Classification according to PED 97/23/EC
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For gases of fluid group 1 and liquids of fluid group 1; complies with requirements of Article 3, paragraph 3 (sound engineering practice)
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Explosion protection
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Intrinsic safety "i"
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PTB 05 ATEX 2048
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Marking
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Ex II 1/2 G EEx ia/ib IIB/IIC T4, T5, T6
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Permissible ambient temperature
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-40 ... +85 °C (-40 ... +185 °F)
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-40 ... +70 °C (-40 ... +158 °F)
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-40 ... +60 °C (-40 ... +140 °F)
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Connection
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To certified intrinsically-safe circuits with peak values:
Ui = 30 V, Ii = 100 mA, Pi = 750 mW, Ri = 300 ?
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To certified intrinsically-safe circuits with peak values:
FISCO supply unit:
Ui = 17.5 V, Ii = 380 mA, Pi = 5.32 W
Linear barrier:
Ui = 24 V, Ii = 250 mA, Pi = 1.2 W
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Effective internal capacitance
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Ci = 6 nF
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Ci = 1.1 nF
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Effective internal inductance
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Li = 0.4 mH
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Li ? 7 ?H
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Explosion protection to FM for USA and Canada (cFMUS)
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- Identification (DIP) or (IS); (NI)
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Certificate of Compliance 3025099
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
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- Identification (DIP) or (IS)
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Certificate of Compliance 3025099C
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
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