6. CONNECTION OF I/O UNITS TO
This I/O card employs MIL–standard ribbon–cable connectors (50–pin
and 20–pin). Use equivalent connectors on the cables (such as the
HIF3BB series, manufactured by Hirose Electric).
Shall conform to the MIL–C–83503 standard and have a
center polarizing key.
DIGITAL OUTPUT 1 DO-1 C54 50 ffff
DIGITAL OUTPUT 2 DO-2 C55 50 fff
DIGITAL OUTPUT 3 DO-3 C58 50 f
DIGITAL INPUT 1 DI-1 C50 50 ffff
DIGITAL INPUT 2 DI-2 C51 50 fff
DIGITAL INPUT 5 DI-5 C56 50 f
DIGITAL INPUT 3 DI-3 C52 20 ff
DIGITAL INPUT 4 DI-4 C53 20 ff
DIGITAL INPUT 6 DI-6 C57 20 f
Function Abbreviation Connetor No. A B C D
No. of pins
Note) A circle indicates that the connector is mounted on the card.
L M R
Polarizing keys ( in the figure) are provided to the right of the left–most
three connectors (C56 to C58) and to the left of other connectors (C50 to
Connector Layout for
Sink Output Type I/O
Standard I/O card