Mitsubishi FX2N-32CCL, User Manual

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FX
2N
-32CCL CC-Link Interface Block Assignment of Buffer Memory (BFM) 5
5-11
[BFM #8 to #23 (remote register RWr0 to RWrF)]
• To each buffer memory No., a remote register No. RWr0 to RWrF is assigned.
The information to be written to the master unit should be preliminarily transferred from the FX PC to this
buffer memory.
The FX PC can write the contents of word devices and bit devices of the FX PC using TO instructions.
• In the FX
2N
-32CCL, the remote register point range (RWr0 to RWrF) varies depending on the selected
number of stations (1 to 4). (
☞
4.2)
Example in which D100 to D115 in the FX PC are written to BFM #8 to BFM #23
FNC79
TO
K0 K8 D100 K16
Block No. Transfer
destinat-
ion
(BFM #8)
Transfer
source Number of transfer
points (BFM #8 to
BFM #23, 16 points)
Write by TO instruction (D115 to D100
→
BFM #8)
~
Program
determining the
ON/OFF status
FNC12
MOV
K20 D100
FNC12
MOV
K35 D101
FNC12
MOV
K55 D115
By changing the number of
transfer points within the
range of K1 to K16, the
number of BFM points to
be written can be changed.
(RWr0)
(RWr1)
(RWrF)
BFM
No.
RWw
No.
#8 0
#9 1
#10 2
#11 3
#12 4
#13 5
#14 6
#15 7
#16 8
#17 9
#18 A
#19 B
#20 C
#21 D
#22 E
#23 F
PC data
register
D100
D101
D102
D103
D104
D105
D106
D107
D108
D109
D110
D111
D112
D113
D114
D115
TO
instruction