This is some 8.8Mb big PDF file that should help you more.
I feel sorry for you if you don't have high speed internet.
FX PLCs do not support multiple ladder files
but you can create subroutines and call them
within same ladder file.
Check this out (it's just mess but see what it does and what
you can do with it). Note instruction "CALL P1", also note
P1 which is at the very left of the ladder...