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PCI Bus 144-bit OPTO-22 DIO Board


PCI Bus 144-bit OPTO-22 DIO Board

  Price:  $319.00  

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The DIO-144 Provides 144 TTL digital I/O lines. The DIO-144 emulates 8255 mode 0 and has a increased output current of 15 mA (source) and 64 mA (sink), which allows it to control LEDs and relay. The DIO-144 consists of eighteen 8 bit bi-directional ports and 2 input lines for interrupt enable and interrupt. The 8 bit ports are named port A(PA), port B(PB), and port C(PC). Port C can be split into two four bit ports. All ports are configured as inputs upon power-up or reset. The DIO-144 uses 4 I/O addresses. The base address is selectable from 200 to 3FF hex. The interrupt signal can be connected to any of the interrupt levels, 2 through 7 .
  • Double side SMT, short card , power saving
  • Connect directly to DB-24P, DB-24R, DB-24PR, DB-24SSR, DB-24POR
    and other OPTO-22 compatible daughter board
  • 144 I/O Lines
  • Emulate 6 Industrial standard 8255 mode 0
  • Programmable interrupt handling
  • Five 50-pin falt cable connector & one 37-pin D-sub connector
  • Output status readback
  • Interrupt handling capability


  • PC compatible PCI bus
  • One DB-37 connector and five 50-pin flat-cable connectors
  • Each port consists of three 8-bit port, PA, PB & PC in every connector
  • Each port can be programmed as D/I or D/O independently.
  • Each board = 6 connector = 6*3 port = 6*3*8 bit =144 bit
  • 4 interrupt sources : CON1 PC0, PC1, PC2, PC3
  • All signals are TTL compatible
  • Operating Temperature: 0° to 60°C
  • Storage Temperature: -20°C to 80°C
  • Humidity: 0 to 90% non-condensing
  • Dimensions: 180mm X 105mm
  • Power Consumption: +5V @ 1100mA

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