DSCL23 Analog Voltage Input Signal Conditioners, Narrow Bandwidth
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Industrial Loop Isolators and Transmitters > Description Each DSCL23 loop powered isolator provides 1 or 2 channels of analog signalprotection by electrically isolating its input from output for any DC process signalin the range 4-20mA. The DSCL23 feeds isolated DC power to the fieldtransmitter and returns a fully isolated 4-20mA analog signal (see Figure 1).The input signal is chopped by a proprietary DC chopper circuit, isolation isprovided by transformer coupling, a proprietary technique is used to suppresstransmission of common mode spikes or surges, and the output signal from thesecondary of the transformer is reconstructed to the original input signal. Features ?Feeds DC Power to 4 to 20mA Transmitter,Isolates Loop?Simplified Wiring for Quick Install andSignal Protection?DIN Rail or Panel Mountable?Narrow DIN Package, Mounts up to27 Devices into a 19 Rack Space?No Recalibration or Maintenance Required?2300Vrms Transformer Isolation?Prevents Ground-Loop Problems?Prevents the Transfer of Interference Voltagesand Currents?High Accuracy Over Full Span?CE Compliant DSCL23 DSCL Figure 1: DSCL23-01 Block Diagram, Single Channel Model Visit our website www.dataforth.com >

Input Range > (2) from Xmtr4-20mA * > CMV Input to Output2300Vrms, 1 Minute * Accuracyб0.1% Span Typical * 0.2% Span Max*LinearityIncluded in Accuracy * Stability<50ppm/ѰC * Overshoot<20 A (Typical 5 յ A) * Output Range > (1) to System4-20mA (50mA max) * Bandwidth, 3dB200Hz * CMR (50Hz or 60Hz)80dB * NMR20dB per Decade Above 200Hz * Response Time2ms, to 90% Span * Output Noise<20mV p-p (Typical <5mV p-p) * (120 kHz)DC Power Source, Vi > (1) 12-30VDC (24V nom) * Xmtr. Power Supplied, Vo > (2) >19.3VDC at 20mA * and 24V Power ViEnvironmentalWeight Approx. 100gWeight Approx. 200gHousing...

Industrial Loop Isolators and Transmitters > DSCL Figure 3: DSCL23-02 Wiring and Dimensions Figure 2: DSCL23-01 Wiring and Dimensions Visit our website www.dataforth.com >