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48-Channel Digital I/O BoardFor IBM PC and Compatibles

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  • CE Approved

Item# CIO-DIO48

48-Channel Digital I/O BoardFor IBM PC and Compatibles CIO-DIO48 CIO-DIO48
  • 48 TTL Digital I/O Lines
  • Single 50-Pin Connector Carries All 48 Digital Lines plus Power


The CIO-DIO48 can control 48 devices or sense 48 contact closures from a single half-size card in a PC. The CIO-DIO48 employs two 8255 parallel peripheral interface chips which are programmable in three modes simple byte input or output or strobed I/O. The 8255 is simple to program. The CIO-DIO48 can provide 2.5 mA to activate other chips, but not enough for LED’s or relays. The CIO-DIO48H can source 15 mA or source 64 mA, enough for switching most relays and SSR’s.
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