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  • Series converter / current loop

24 - 32 VDC, max. 20 mA | EM-M21A

Article: 00016878

Series converter / current loop

EM-M21A is a multiscale converter for thermal transducer Pt-100. Pt-100 transducer is connected to converter with three wires. In this way the cable resistance is compensated. The converter has four selectable temperature ranges and a -50 °C settable offset. The gain and zero adjustments have no mutual effect. The output signal is 4...20 mA current signal, and the unlinearity of the Pt-100 is already corrected in the converter. The converter acquires its operating voltage from the current loop and needs no additional supply. EM-M21A can be connected as a voltage transmitter 1...5 V according to the figure below. Converter is efficiently protected against misconnections and voltage surges.

Specifications

  • Bus: series, current loop

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