MEWNET-W Mode
FP2 Multi-wire Link Unit
4-4
4.2 PC Link
4.2 PC Link
4.2.1 Preparing to Use PC Link
When using PC link in the W mode, link area allocations must be specified.
.
Notes
D
Allocations must be specified for both link relays and link reg-
isters.
D
PC link communication is carried out on a programmable con-
troller which has been booted in the PC link mode.
4.2.2 Link Area Allocations
Link relays and link registers used with the PC link function are allocated to the link area
of CPU. The link area is allocated by specifying the system register for the CPU.
System register
No. Name
Default
value
Setting range
40
Specification of range of link relays used for
communication
0 0 to 63 words
41
Specification of range of link registers used
for communication
0 0 to 127 words
For PC link 0
42
Starting number for link relay transmission
(no. of first word)
0 0to63
43 Link relay transmission size 0 0 to 64 words
44
Starting number for link register
transmission (first number)
0 0 to 127
45 Link register transmission size 0 0 to 127 words
50
Specification of range of link relays used for
communication
0 0 to 63 words
51
Specification of range of link registers used
for communication
0 0 to 127 words
For PC link 1
52
Starting number for link relay transmission
(no. of first word)
64 64 to 127
53 Link relay transmission size 0 0 to 64 words
54
Starting number for link register
transmission (first number)
128 128 to 255
55 Link register transmission size 0 0 to 127 words