NAiS FP Series, User Manual

Page: 218 / 326

FP
Σ
10.2 Communication Parameter Settings
10 - 13
Using only a part of the link area
Link areas are available for PLC link, and link relay 1,024 points (64 words) and link
register 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
No. Name No. 1
No. 40 Range of link relay used for PLC link 50
No. 42 Starting no. for link relay transmission 20
No. 43 Link relay transmission size 20
With the above setting, the 14 words (224 points) consisting
of WL50 to WL63 can be used as internal relays.
Figure 211: Using only a part of the link relay area
Link register allocation
No. Name No. 1
No. 41 Range of link register used for PLC link 100
No. 44 Starting no. for link register transmission 40
No. 45 Link register transmission size 40
With the above setting, the 28 words consisting of LD100
to LD127 can be used as internal registers.
Figure 212: Using only a part of the link register area
WL0
19
20
63
39
40
49
50
Transmitted area
Received area
Received area
Internal relay
Used
Not used
LD0
39
40
127
79
80
99
100
Transmitted area
Received area
Received area
Internal register
Used
Not used