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DSCL22

Loop Powered Isolators - DIN Mount or Panel Mount with Current-Input

Each DSCL22 loop powered isolator provides 1, 2, or 3 channels of analog signal protection by electrically isolating its input from output for any DC process signal in the range of 0-20 mA (or 4-20 mA). The DSCL22 operates passively, obtaining its power from the transmitted 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.

If one input to two isolated outputs is desired, multiple channel units may be configured as a splitter.

Circuit diagram Dataforth DSCL22

Block Diagram DSCL22



PDF Downloads:


3 Modules for Type DSCL22:

ModuleInputDescription
DSCL22-01 0 to 20 / 4 to 20 mA DSCL22 Loop Powered Isolator - DIN Mount or Panel Mount with Current-Input and Current-Output
DSCL22-11 0 to 20 / 4 to 20 mA DSCL22 Loop Powered Isolator - DIN Mount or Panel Mount with Current-Input and Current-Output
DSCL22-21 0 to 20 / 4 to 20 mA DSCL22 Loop Powered Isolator - DIN Mount or Panel Mount with Current-Input and Current-Output

Specifications

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  • Input: 0 … 20 mA / 4 … 20 mA
  • Output: 0 … 20 mA / 4 … 20 mA
  • Bandwidth 500 Hz
  • 1, 2 or 3 Channels
  • 4000 Vrms Isolation at 1 channel 2300 Vrms at 2- und 3 Kanal
  • Accuracy ± 0.05% (typ.), 0.1% (max.)
  • Linearity included in the accuracy
  • no calibration necessary
  • CMR 112dB
  • NMR: 20dB / Decade > 500 Hz
  • Loop Supply Voltage
  • Operating Temperature Range -20°C … +55°C
  • Dimensions / 1-CH: 17.5x107.1x84.5 mm
  • Dimensions / 2- and 3-CH: 17.5 x 146.5 x 120 mm
  • DIN Rail or Panel Mounting
  • CE Compliant