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Impulse DSCL23 User Manual

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DSCL
Visit our website www.dataforth.com
169
Industrial Loop Isolators and Transmitters
DSCL
DSCL23
4-20mA Isolator with DC Supply - DIN or Panel Mount
▲
Features
Feeds DC Power to 4-20mA Transmitter,
Isolates Loop
Simplified Wiring for Quick Install and
Signal Protection
DIN Rail or Panel Mountable
Narrow DIN Package, Mounts up to
27 Devices into a 19 Rack Space
No Recalibration or Maintenance Required
2300Vrms Transformer Isolation
Prevents Ground-Loop Problems
Prevents the Transfer of Interference
Voltages and Currents
High Accuracy Over Full Span
CE Compliant
Figure 1: DSCL23-01 Block Diagram, Single Channel Model
Description
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 4-20mA. The DSCL23 feeds isolated DC power to the field
transmitter and returns a fully isolated 4-20mA analog signal (see Figure 1).
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.
DSCL23
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Summary of Contents

Page 1 - Description

DSCLVisit our website www.dataforth.com169Industrial Loop Isolators and TransmittersDSCLDSCL234-20mA Isolator with DC Supply - DIN or Panel Mount▲ F

Page 2 - Ordering Information

Industrial Loop Isolators and TransmittersDSCLFor information call 800-444-7644170SpecificationsTypical at TA=+25°C and +24VDC PowerInput Range(2) fro

Page 3

DSCLVisit our website www.dataforth.com171Industrial Loop Isolators and TransmittersDSCLFigure 3: DSCL23-02 Wiring and DimensionsFigure 2: DSCL23-01 W

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