Pr Electronics 5331
Application
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Linearized temperature measurement with Pt100...Pt1000, Ni100...Ni1000, or TC sensor.
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Conversion of linear resistance variation to a standard analog current signal, for instance from valves or Ohmic level sensors.
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Amplification of a bipolar mV signal to a standard 4...20 mA current signal.
Technical characteristics
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Within a few seconds the user can program PR5331A to measure temperatures within all ranges defined by the norms.
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The RTD and resistance inputs have cable compensation for 2-, 3- and 4-wire connection.
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Continuous check of vital stored data for safety reasons.
Mounting / installation
- For DIN form B sensor head or DIN rail.
Environmental Conditions
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Specifications range....................................... -40°C to +85°C
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Calibration temperature................................. 20...28°C
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Relative humidity............................................ < 95% RH (non-cond.)
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Protection degree (encl./terminal).................. IP68 / IP00
Mechanical specifications
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Dimensions.................................................... Ø 44 x 20.2 mm
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Weight approx................................................ 50 g
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Wire size........................................................ 1 x 1.5 mm2 stranded wire
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Screw terminal torque.................................... 0.4 Nm
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Vibration......................................................... IEC 60068-2-6 : 2007
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Vibration: 2...25 Hz........................................ ±1.6 mm
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Vibration: 25...100 Hz.................................... ±4 g
Common specifications
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Supply voltage............................................... 7.2...35 VDC
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Internal consumption...................................... 25 mW…0.8 W
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Voltage drop................................................... 7.2 VDC
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Isolation voltage, test /working.......................1.5 kVAC / 50 VAC
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Warm-up time................................................. 5 min.
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Communications interface............................. Loop Link
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Signal / noise ratio......................................... Min. 60 dB
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Response time (programmable).................... 1...60 s
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EEprom error check....................................... < 3.5 s
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Accuracy........................................................ Better than 0.05%
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Signal dynamics, input................................... 20 bit
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Signal dynamics, output................................. 16 bit
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Effect of supply voltage change..................... < 0.005% of span / VDC
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EMC immunity influence................................ < ±0.5% of span
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Extended EMC immunity: NAMUR
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NE 21, A criterion, burst................................. < ±1% of span
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Input specifications
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Max. offset...................................................... 50% of selected max. value
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RTD input....................................................... Pt100, Ni100, lin. R
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Cable resistance per wire
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(max.), RTD.................................................... 5 Ω
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Sensor current, RTD...................................... Nom. 0.2 mA
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Effect of sensor cable resistance
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(3-/4-wire), RTD............................................. < 0.002 Ω / Ω
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Sensor error detection, RTD.......................... Yes
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TC input: Thermocouple type......................... B, E, J, K, L, N, R, S, T, U,
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W3, W5, LR
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Cold junction compensation
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(CJC).............................................................. < ±1.0°C
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Sensor error detection, TC............................. Yes
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Sensor error current: When
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detecting / else............................................... Nom. 33 μA / 0 μA
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Voltage input: Measurement
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range.............................................................. -12...800 mV
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Min. measurement range (span),
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voltage input................................................... 5 mV
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Input resistance, voltage
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input............................................................... 10 MΩ
Output specifications
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Current output: Signal range......................... 4…20 mA
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Min. signal range............................................ 16 mA
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Updating time................................................. 440 ms
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Load resistance, current output..................... ≤ (Vsupply - 7.2) / 0.023 [Ω]
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Load stability, current output.......................... ≤0.01% of span / 100 Ω
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Sensor error indication, current
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output............................................................. Programmable 3.5…23 mA
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NAMUR NE 43 Upscale/Downscale.............. 23 mA / 3.5 mA
Approvals
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EMC............................................................... EN 61326-1
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ATEX.............................................................. KEMA 10ATEX0002 X
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IECEx............................................................. DEK 13.0035X
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INMETRO....................................................... DEKRA 13.0001 X
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GOST R......................................................... Yes
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DNV Marine.................................................... Stand. f. Certific. No. 2.4