Mitsubishi FX2N-32CCL, User Manual

Page: 30 / 56

FX
2N
-32CCL CC-Link Interface Block Assignment of Buffer Memory (BFM) 5
5-4
Example in which the ON/OFF status of multiple BFM points are read to the FX PC
Transfer
destinat-
ion (M***
to M0)
M (RY )
Number of
transfer points
(1 to 8) is
specified.
FNC78
FROM
K0 K0 K4M0 K
Drive circuit
Block No. Transfer
source
(BFM #0)
Number of
transfer
points
M0(RY00)
M1(RY01)
~
Use
example
R Y
7 F
R Y
7 E
R Y
7 1
R Y
7 0
R Y
6 F
R Y
6 E
R Y
6 1
R Y
6 0
R Y
5 F
R Y
5 E
R Y
5 1
R Y
5 0
R Y
4 F
R Y
4 E
R Y
4 1
R Y
4 0
b 1 5
R Y
3 F
R Y
3 E
R Y
3 1
R Y
3 0
R Y
2 F
R Y
2 E
R Y
2 1
R Y
2 0
R Y
1 F
R Y
1 E
R Y
1 1
R Y
1 0
R Y
0 F
R Y
0 E
R Y
0 1
R Y
0 0
F R O M in stru ction
K 8 K 7 K 6 K 1 K 5 K 4 K 3 K 2
b 0 b 1 5 b 0
B F M # 6
b 1 5
b 0
B F M # 1
b 1 5 b 0
B F M # 5
b 1 5 b 0
B F M # 4
b 1 5 b 0
B F M # 3
b 1 5 b 0
B F M # 2
b 1 5 b 0
B F M # 0
M
1 27
M
1 13
M
1 12
M
1 26
B F M # 7
M
1 11
M
9 7
M
9 6
M
1 10
M
9 5
M
8 1
M
8 0
M
9 4
M
7 9
M
6 5
M
6 4
M
7 8
M
6 3
M
4 9
M
4 8
M
6 2
M
4 7
M
3 3
M
3 2
M
4 6
M
3 1
M
1 7
M
1 6
M
3 0
M
1 5
M
1
M
0
M
1 4
N um b e r o f
tra n sfe r
p o in ts
B F M .N o .
F X P C
a u xiliary
relay
• By changing the number of transfer points of
FROM instruction within the range of K1 to K8,
BFM #0 to BFM #7 can be read at a time to the
auxiliary relay in the FX PC.
• When the output relays (Y) are specified as the
transfer destination, they are processed by
octal (Y
o
7 to Y
o
0) at a time.