The Mitsubishi FX2N series digital expansion module has 16 digital input (24VDC sink/source selectable). They can be attached directly to the right-hand end of the base unit or expansion unit that also provides power. Input points can be configured in both sink and source, selectable to suit NPN or PNP devices. With the FX2N, the number of I/O are added depending upon the size of the base unit.
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