Panasonic FP0 User Manual page 228

Specifications
12.2 I/O Allocation Table
Expression of numbers for input/output relays
Since input/output relays X and Y are handled in units of 16 points, they are expressed
as a combination of decimal and hexadecimal numbers as shown below.
Example: External input relay "X"
Decimal
1, 2, 3
Hexadecimal
0, 1, 2, 3
X
X 10, X 11
X 20, X 21
to
X 70, X 71
12 − 10
×
. . . . . 12
. . . 9 A,B . . . . F
0, X 1 . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
to
. . . . . . . . . . . . . . . . . . . . .
X F
X 1F
X 2F
to
X 7F
FP0