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 C74 50 ffff
DIGITAL OUTPUT 2 DO-2 C75 50 fff
DIGITAL OUTPUT 3 DO-3 C78 50 f
DIGITAL INPUT 1 DI-1 C70 50 ffff
DIGITAL INPUT 2 DI-2 C71 50 fff
DIGITAL INPUT 5 DI-5 C76 50 f
DIGITAL INPUT 3 DI-3 C72 20 ff
DIGITAL INPUT 4 DI-4 C73 20 ff
DIGITAL INPUT 6 DI-6 C77 20 f
Function Abbreviation Connector No. of
No. pins A B C D
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 (C76 to C78) and to the left of the other connectors (C70
Connector Layout for
Source Output Type I/O
Standard I/O card