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PR ELECTRONICS, Isolation Amplifier
Varenummer:131-527
Varekode:2284E2D1
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Kr. 2.400,00
2284E2D1

Isolation amplifier

Galvanically separated input, output, and supply

  • Bipolar current / voltage input
  • Signal conversion
  • Current and voltage output
  • 24 VDC supply or universally supplied
  • Applicable in PELV/SELV circuits
  • Advanced features

    • Programmable input and output ranges using internal DIP-switches.
    • Front panel fine adjustment of 0 and 100% values for special ranges.

    Application

    • Galvanic separation of analog signals.
    • Measurement of floating signals.

    Technical characteristics

    • Analog signal conditioning with microprocessor based gain and zero offset with a fast response time of less than 25 ms.
    • Signal conversion within the ranges: -250...+250 VDC or -50...+50 mA on the input and 0...10 (20) VDC and 0...20 mA on the output.
    • Galvanically separated between input, supply, and output.
    • 2-wire transmitter supply and a reference voltage of 2.5 VDC, max. 15 mA for short circuit-protected supply of potentiometers.
    • Buffered voltage output 0...20 V, 10 mA.
    • The output can be ordered for standard 0/4...20 mA, and 0/1...5mA or special currents and selectable voltages within the signal range 0...1 VDC or and ranges 0...10 VDC.
    • Output signal reversal.
    • Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.
    • Environmental Conditions

      Specifications range -20°C to +60°C
      Calibration temperature 20...28°C
      Relative humidity < 95% RH (non-cond.)
      Protection degree IP50

      Mechanical specifications

      Dimensions (HxWxD) 80.5 x 35.5 x 84.5 mm (D is without pins)
      Weight DC / universally supplied 125 g / 165 g

      Common specifications

      Supply voltage 19.2...31.2 VDC
      Supply voltage, universal 21.6...253 VAC, 50...60 Hz or 19.2...300 VDC
      Max. power consumption ≤ 2.4 W (2284--D) ≤ 2.5 W (2284--P)
      Isolation voltage, test / working 3.75 kVAC / 250 VAC
      Signal / noise ratio Min. 60 dB
      Response time (0...90%) < 25 ms
      Effect of supply voltage change < 0.005% of span / VDC
      2-wire transmitter supply (pin 7...5) 19...28 VDC / 20...0 mA
      Auxiliary voltages: Reference voltage 2.5 VDC ±0.5% / 15 mA
      Temperature coefficient < ±0.01% of span / °C
      Linearity error < 0.1% of span
      EMC immunity influence < ±0.5% of span

      Input specifications

      Max. offset 50% of max. value
      Current input: Measurement range -50...+50 mADC
      Min. measurement range (span), current input 0.53 mADC
      Input resistance, current input Nom. 50 Ω
      Voltage input: Measurement range -250...+250 VDC
      Min. measurement range (span), voltage input 27 mVDC
      Input resistance, voltage input >1 MΩ...<10 MΩ

      Output specifications

      Max. offset 20% of max. value
      Current output: Signal range 0...20 mA
      Min. signal range 4 mA
      Load (max.) 20 mA/1000 Ω/20 VDC
      Load stability, current output ≤0.01% of span/100 Ω
      Current limit 23...28 mA
      Voltage output through internal shunt See manual for details

      Approvals

      EMC EN 61326-1
      LVD EN 61010-1
      PELV/SELV IEC 364-4-41 and EN 60742
      GOST R Yes
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