Items 0
2279
 
 

2279

 

AC / DC transmitter

 

  • Input galvanically separated from output and supply
  • AC current measurement
  • AC voltage measurement
  • Current and voltage output
  • 24 VDC supply or universally supplied
  • Applicable in PELV/SELV circuits
  1. Overview +

  2. Technical details +

  3. Accessories +


Advanced features

  • ±20% adjustment of the 0 and the 100% measurement range is possible at the front panel.
  • Input and output ranges are programmable by use of internal DIP-switches.

Application

  • AC current measurement e.g. in connection with a current transformer or a current clamp.
  • Direct AC voltage measurement.

Technical characteristics

  • Analog signal conditioning with microprocessor based gain and zero offset.
  • Signals in the ranges 0.5...250 VRMS sinusoidal voltage can be connected directly to the input, ranges are programmed via DIP-switches and jumpers.
  • Analog standard current output of 0/4...20 mA or standard voltages of 0...1 or 0...10 VDC ranges are programmed via DIP-switches and jumpers.
  • Special currents and voltages within the signal range.
  • Signal reversal e.g. 20...4 mA is possible in a special version.
  • Universally supplied units have a 3-port galvanic separation between input, supply, and output.
  • 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

    100 g / 160 g

Common specifications

  • Supply

  • Supply voltage

    19.2...28.8 VDC

  • Supply voltage, universal

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

  • Max. required power

    ≤ 1.3 W (2279--D)

    ≤ 2.7 W (2279--P)

  • Isolation voltage

  • Isolation voltage, test / working

    3.75 kVAC / 250 VAC

  • PELV/SELV

    IEC 61140

  • Response time

  • Response time (0...90%)

    < 1.5 s

  • Signal / noise ratio

    Min. 60 dB

  • Effect of supply voltage change

    < 0.005% of span / VDC

  • Temperature coefficient

    < ±0.01% of span / °C

  • Linearity error

    < ±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

    0...1 ARMS / 40...400 Hz

  • Min. measurement range (span)

    500 mARMS

  • Input resistance

    Nom. 1 Ω

  • Voltage input

  • Measurement range

    0...250 VRMS / 40...400 Hz

  • Min. measurement range (span)

    0.5 VAC

  • Input resistance

    > 1 MΩ

Output specifications

  • Current output

  • Signal range

    0...5 mA / 0...20 mA

  • Min. signal range

    4 mA / 16 mA

  • Load (@ current output)

    ≤ 600 Ω

  • Load stability

    ≤ 0.01% of span / 100 Ω

  • Current limit

    23...28 mA

  • Voltage output through internal shunt

    See manual for details

  • of span

    = of the presently selected range

Observed authority requirements

  • EMC

    2014/30/EU

  • LVD

    2014/35/EU

  • EAC

    TR-CU 020/2011

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