Mitsubishi Electronics A1SJ71AT23BQ ユーザーズマニュアル
3
SPECIFICATIONS
3.6 Details of Buffer Memory
3.6.9 Link relay (B0 to BFFF)
3
- 28
1
O
V
ER
VI
E
W
2
S
YST
EM
CONF
IGURA
T
ION
3
S
P
E
C
IF
ICA
T
IONS
4
F
UNCT
IO
NS
5
PR
EP
ARA
T
O
R
Y
PR
O
C
E
DURES
BEF
ORE
OP
E
R
A
T
ION
6
L
INK DA
TA
SEN
D/
RE
C
E
IV
E
P
R
OCE
S
S
ING
A
N
D
P
R
OCE
S
S
ING
T
IME
7
P
R
OGRA
M
MING
8
TR
O
U
BL
ESHO
O
T
IN
G
3.6.9
Link relay (B0 to BFFF)
The data of a link relay (B0 to BFFF) for the B/W communication is stored.
Refresh devices of the CPU module and the data in this area using the following area in a
sequence program.
Refresh devices of the CPU module and the data in this area using the following area in a
sequence program.
• Presence or absence of refresh information table (Buffer memory address: 0
H
,
1
H
)
• Refresh information table (Buffer memory address: 2
H
to 27
H
)
The following shows the refresh of a link relay (B) for the case where link parameters are
set as shown below and a local module is a local station in the third tier (l1 station).
set as shown below and a local module is a local station in the third tier (l1 station).
Figure 3.16 Link parameter setting
Figure 3.17 Refresh of link relay (B)
Link parameters of second tier
M
L1
100
200
L2/m
300
400
200
L2/m
300
l1
280
l2
2C0
M
L1
Second
tier
l1
l2
Third
tier
L2/m
B/W 0
M
L1
L2/m
500
600
700
FFF
(Empty)
(Empty)
600
L2/m
700
l1
680
l2
6C0
B/W 0
FFF
Link parameters of master station for third tier (L2/m)
First half of link parameters
Latter half of link parameters
First half of link parameters
Latter half of link parameters
B200 to B20F
B270 to B27F
Local module
CPU module
Other station send range (1)
(First half of link parameters)
Send range of master station for second tier
(First half of link parameters)
Host station send range
(First half of link parameters)
Other station send range (2)
(First half of link parameters)
Other station send range (1)
(Latter half of link parameters)
Send range of master station for second tier
(Latter half of link parameters)
Host station send range
(Latter half of link parameters)
Other station send range (2)
(Latter half of link parameters)
Link relay (B)
Link relay (B)
250
H
25F
H
270
H
27F
H
290
H
29F
H
2B0
H
2BF
H
277
H
278
H
27B
H
27C
H
2B7
H
2B8
H
2BB
H
2BC
H
34F
H
B0 to BF
BF0 to BFF
B0 to BF
BF0 to BFF
B200 to B20F
B270 to B27F
B280 to B28F
B2B0 to B2BF
B280 to B28F
B2B0 to B2BF
B2C0 to B2CF
B2F0 to B2FF
B2C0 to B2CF
B2F0 to B2FF
B600 to B60F
B670 to B67F
B400 to B40F
B4F0 to B4FF
B680 to B68F
B6B0 to B6BF
B6C0 to B6CF
B6F0 to B6FF
B400 to B40F
B4F0 to B4FF
B600 to B60F
B670 to B67F
B680 to B68F
B6B0 to B6BF
B6C0 to B6CF
B6F0 to B6FF