MEWNET-W Mode
FP2 Multi-wire Link Unit
4-7
4.2 PC Link
Using only a part of the link area
Link areas are available for PC link 0 and PC link 1, and 1,024 link relay points and 128
link register 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.
Example of link relay allocation
System register
Setting
No. Setting contents for PC link 0
value
40 Link relay range 50
42
Starting no. for link relay
transmission
20
43 Link relay transmission size 20
Example of link register allocation
System register
Setting
No. Setting contents for PC link 0
value
41 Link register range 100
44
Starting no. for link register
transmission
40
45 Link register transmission size 40
Receive area
Send area
Receive area
Used
Not used
Internal relays
With the above setting, the 14 words (224 points)
consisting of WL50 to 63 can be used as internal
relays.
Receive area
Send area
Receive area
Used
Internal registers
Not used
With the above setting, the 28 words consisting
of LD100 to 127 can be used as internal
registers.
LD0
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