OMRON C200H-MD501 / C200HMD501 (NEW IN BOX) DISCONTINUED BY MANUFACTURER, INPUT/OUTPUT UNIT, 16X 5 VDC TTL INPUTS, 16X TTL OUTPUTS 35MA 5 VDC (USEABLE AS 128X DYNAMIC INPUTS), 128 MUX IN, 16/16 (5VDC).
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