4
FUNCTIONS
4.1 Cyclic Transmission Function
4.1.1 Communication by LB/LW
4
- 5
1
O
V
ER
VI
E
W
2
SYST
EM
CO
NF
IG
URA
T
IO
N
3
SPECI
F
IC
A
T
IO
N
S
4
F
UNCT
IONS
5
PREP
ARA
T
IO
N AND
SET
UP
6
P
A
RAM
E
T
E
R
SET
TI
NG
7
PRO
C
ESSI
NG
T
IM
E
8
PRO
G
R
AM
M
ING
(4) Precautions
(a) When Basic model QCPU and/or safety CPU exist on the network
1) Cyclic transmission of Basic model QCPU and safety CPU
Cyclic data are transferred between each station's send range in LB/LW set in
"LB/LW settings (1)" and the corresponding station allocated within the range
of LB/LW 0 to 3FFF.
Figure 4.5 Cyclic transmission of Basic model QCPU and safety CPU
Universal model
QCPU
Universal model
QCPU
Basic model QCPU
Control station
No.1
Normal station
No.2
Normal station
No.3
Normal station
No.120
Safety CPU
Link register (LW)
No.1 send range
No.1 send range
No.2
No.3
No.1
No.2 send range
No.3
No.1
No.2
No.3 send range
No.120
No.120
No.1
No.1
No.120 send range
No.2
No.3
No.120 send range
LW0
LW1FFFF
LW3FFF
Setting range of
LB/LW settings (2)
Setting range of
LB/LW settings (1)
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