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2284
 
 

2284

 

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
  1. Overview +

  2. Technical details +

  3. Accessories +


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

  • Operating temperature

    -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

  • Supply voltage

    19.2...31.2 VDC

  • Supply voltage, universal

    21.6...253 VAC, 50...60 Hz or 19.2...300 VDC

  • Max. required power

    ≤ 2.4 W (2284--D)

    ≤ 2.5 W (2284--P)

  • Isolation voltage

  • Isolation voltage, test / working

    3.75 kVAC / 250 VAC

  • PELV/SELV

    IEC 61140

  • Response time

  • Response time (0...90%)

    < 25 ms

  • Signal / noise ratio

    Min. 60 dB

  • 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

  • Common input specifications

  • Max. offset

    50% of max. value

  • Current input

  • Measurement range

    -50...+50 mADC

  • Min. measurement range (span)

    0.53 mADC

  • Input resistance

    Nom. 50 Ω

  • Voltage input

  • Measurement range

    -250...+250 VDC

  • Min. measurement range (span)

    27 mVDC

  • Input resistance

    >1 MΩ...<10 MΩ

Output specifications

  • Current output

  • Signal range

    0...20 mA

  • Min. signal range

    4 mA

  • Load (@ current output)

    ≤ 1000 Ω

  • Load stability

    ≤ 0.01% of span / 100 Ω

  • Current limit

    23...28 mA

  • Voltage output through internal shunt

    See manual for details

Observed authority requirements

  • EMC

    2014/30/EU

  • LVD

    2014/35/EU

  • EAC

    TR-CU 020/2011

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