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DSCT - Series

Isolated 2-Wire Transmitter for DIN Rail

 
Instrument Class® Performance 

"Best of Breed" accuracy, linearity, stability and noise specifications. Outstand-ing protection and isolation performance for input, output and power connections. Capable of operating on the widest of loop supply power and over the broadest operating temperature range! 

Dataforth’s DSCT series of loop powered 2-wire transmitters consists of seven family groups with a total of 48 transmitter models that interface to a wide variety of voltage, current, temperature and position measuring devices. As one of Dataforth’s Instrument Class® products, the DSCT family provides superior specifications such as ±0.03% accuracy, five poles of filtering, 1500Vrms continuous isolation, low output noise, and much more. 

The DSCT 2-wire transmitter conditions and sends analog signals from sensors located in the “field” to monitoring and control equipment, usually computers, located thousands of feet away in central control areas. The DSCT accepts a wide range of inputs, including millivolt, volt, milliamp, thermocouple, RTD, potentiometer, and slide wire. It operates on power from a 2-wire signal loop and modulates the supply current to represent the input signal within a 4 to 20mA range.

Two-wire transmission loops are a very economical method for connecting sensors to distant control rooms. Since the DSCT perates from the signal loop current, no additional, expensive power and wiring are required. Only low cost, twisted pair wiring is needed.


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Specifications

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  • ±0.03% Accuracy (Typical)
  • ±0.01% Linearity
  • 1500Vrms Transformer Isolation & 240Vrms Field-side Protection
  • ANSI/IEEE C37.90.1 Transient Protection
  • Wide Loop Supply Voltage, 10.8V to 60V
  • Isolation 1500 Vrms
  • 5-Pole Low-Pass Filtering
  • Up to 160dB CMR
  • 85dB NMR at 60Hz, 80dB at 50Hz
  • Protected Against Reverse Connection of Loop Voltage
  • –40°C to +80°C Operating Temperature
  • Mounts on DIN Rail EN 50022, 35x7.5 or 35x15
  • CSA C/US Certified (Class I, Division 2, Groups A, B, C, D)
  • CE Compliant
  • Manufactured per RoHS Directive 2002/95/EC