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DSCL23

4 mA to 20 mA Isolators with Loop Supply - DIN or Panel Mount

Each DSCL23 loop powered isolator provides 1 or 2 channels of analog signal protection by electrically isolating its input from output for any DC process signal in the range 4-20 mA. The DSCL23 feeds isolated DC power to the field transmitter and returns a fully isolated 4-20 mA analog signal.

The input signal is chopped by a proprietary DC chopper circuit, isolation is provided by transformer coupling, a proprietary technique is used to suppress transmission of common mode spikes or surges, and the output signal from the secondary of the transformer is reconstructed to the original input signal.

Circuit diagram Dataforth DSCL23

Block Diagram DSCL23



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2 Modules for Type DSCL23:

ModuleInputDescription
DSCL23-01 4 mA to 20 mA DSCL23 4 mA to 20 mA Isolator with Loop Supply - DIN or Panel Mount
DSCL23-02 4 mA to 20 mA DSCL23 4 mA to 20 mA Isolator with Loop Supply - DIN or Panel Mount

Specifications

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  • Input: 4-20 mA
  • Output: 4-20 mA
  • Bandwidth 200 Hz
  • 1 or 2 Channels
  • Isolation 2300 Vrms
  • Accuracy ± 0.1% (typ.), 0.2% (max.)
  • Linearity included in the accuracy
  • no calibration necessary
  • CMR 80dB
  • NMR: 20dB / Decade > 200 Hz
  • Loop Supply Voltage 12-30VDC (24V nominal)
  • Operating Temperature Range -25°C … +55°C
  • Dimensions / 1-CH: 17.5x107.1x84.5 mm
  • Dimensions / 2-CH: 17.5x146.5x120 mm
  • DIN Rail or Panel Mounting
  • CE Compliant