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4 extending the input range – Measurement Computing PC104-PDISO8 User Manual

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4.4 EXTENDING THE INPUT RANGE

You can extend the input range beyond the ±24V specified by adding an external
resistor to the input. Use the following formulas:

R

ext

= 100 * (V

in

- 24)

Resistor power rating = P

watts

= R

ext

/ 10,000

11