Omega: Potentiometer to DC Transmitters

The DMD4008 series accepts a resistance input from potentiometer, slidewire, linear position, displacement, or rotational devices and provides an optically isolated DC voltage or current output that is linearly related to the potentiometer position.

Aw 20934 1402np Omega

Input ranges are switch-selectable for 0-100 ohms through 0-1 Mohms. Input span is 10 to 100% of potentiometer range, while input offset can be set from 0 to 90% in 10% increments. Output can be voltage (0-1 V to 0-10 VDC, 10 mA maximum), bidirectional voltage (±5 VDC or ±10 VDC ) or current (0-2 mA to 0-20 mA with 20V compliance, 1000 O at 20 mA). Output linearity is better than ±0.1% of span. The unit can be set up quickly for hundreds of I/O ranges, features external switches and table for range selection, and has removable plugs for fast installation with a functional output test button and selectable sink/source for current output. Applications include over, under, out-of-range position monitoring, remote control of positioning devices and simplifying control of potentiometer outputs.

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Omega Engineering, Inc.

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