FX
2N
-32CCL CC-Link Interface Block
Assignment of Buffer Memory (BFM) 5
5-5
[BFM #8 to #23 (remote register RWw0 to RWwF)]
•
To each buffer memory No., a remote register No. RWw0 to RWwF is assigned.
The information saved in the buffer memory indicates the contents of the remote register written from the
master unit to the FX
2N
-32CCL.
The FX PC can read this information to the word device and the bit device in the PC using FROM instruc-
tions.
•
In the FX
2N
-32CCL, the remote register range (RWw0 to RWwF) varies depending on the selected num-
ber of stations (1 to 4). (
☞
4.2)
Example in which BFM #8 to BFM #23 are read to D0 to D15 in the FX PC
FNC78
FROM
K0
K8
D0
K16
Use
example
Block No. Transfer
source
(BFM #8)
Transfer
destinat-
ion
Number of
transfer points
(BFM #8 to
#23, 16 points)
By changing the number
of transfer points within
the range of K1 to K16,
the number of BFM
points to be read can be
changed.
FNC12
MOV
D0
D50
(RWw0)
Read by FROM instruction (BFM #8 to #23
→
D0 to D15)
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
FROM
instruction
PC data
register
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
Summary of Contents for FX2N-32CCL
Page 1: ...USER S MANUAL CC Link INTERFACE BLOCK FX2N 32CCL ...
Page 18: ...FX2N 32CCL CC Link Interface Block Specifications 2 2 6 Memo ...
Page 26: ...FX2N 32CCL CC Link Interface Block Setting of Remote Device Stations 4 4 4 Memo ...
Page 39: ...FX2N 32CCL CC Link Interface Block Assignment of Buffer Memory BFM 5 5 13 ...
Page 54: ...FX2N 32CCL CC Link Interface Block Programming Examples 6 6 14 Memo ...
