Panasonic FP E Series User Manual page 220

Partial use of link areas
In the link areas available for PC(PLC) link, link relays with a total of 1024 points (64 words) and link
registers with a total of 128 words can be used. This does not mean, however, that it is necessary to
reserve the entire area. Parts of the area which have not been reserved can be used as internal relays
and internal registers.
Link relay allocation
Link register allocation
7-70
No.
No. 40 Range of link relays used for PC(PLC)
link
No. 42 Start address of link relay send area
No. 43 Size of link relay send area
With the above settings, the 14 words (224 points)
consisting of WL50 to WL63 can be used as internal
relays.
No.
No. 41 Range of link registers used for PC(PLC)
link
No. 44 Start address of link register send area
No. 45 Size of link register send area
With the above settings, the 28 words consisting of
LD100 to LD127 can be used as internal registers.
Name
Name
No.
50
20
20
No.
100
40
40