Impulse DSCL21 User Manual download pdf

Industrial Loop Isolators and Transmitters

DSCL

For information call 800-444-7644

164

DSCL21

Loop Powered Isolator - DIN Mount

Figure 1: DSCL21 Block Diagram

Features

 No Power Supply Required, Signal Powered

from 0-20mA (or 4-20mA) Input

 Simplified Wiring for Fast Installation

 Narrow 12.5mm DIN Package for

High-Density Mounting

 No Recalibration or Maintenance Required

 500Vrms Transformer Isolation

 Prevents Ground-Loop Problems

 Prevents the Transfer of Interference

Voltages and Currents

 High Accuracy Over Full Span

 CE Compliant

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Description

Each DSCL21 loop powered isolator provides a single channel of analog

signal protection by electrically isolating its input from output for any DC process

signal in the range of 0-20mA (or 4-20mA). The DSCL21 operates passively,

obtaining its power from the transmitted 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, the output signal from the

secondary of the transformer is reconstructed to the original input signal.

1 2

Summary of Contents

Page 1 - Description

Industrial Loop Isolators and TransmittersDSCLFor information call 800-444-7644164DSCL21Loop Powered Isolator - DIN MountFigure 1: DSCL21 Block Diagra

Page 2 - Ordering Information

DSCLVisit our website www.dataforth.com165Industrial Loop Isolators and TransmittersDSCLSpecificationsTypical at TA=+25°C; Load R=100Ω (Iout), ≥5MΩ(Vo

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Impulse DSCL21 User Manual

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