Mitsubishi Electric Melsec QJ71LP21 - How to Set the Refresh Parameters

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MELSEC-Q
5 PARAMETER SETTINGS
5.7.2 How to set the refresh parameters
(1) Automatic setting with the Default button
(a) High Performance model QCPU, Process CPU, Redundant
CPU, and Universal model QCPU
1) When B/W points set in [Device] under [PLC parameter] are 8K points
or more (6K points or more when three modules are mounted)
Link devices are assigned as shown below.
B/W
0
1FFF
LB/LW
0
1FFF
3FFF
B/W
0
FFF
1000
1FFF
LB/LW
0
FFF
4096
points
3FFF
B/W
0
7FF
800
FFF
1000
17FF
1800
1FFF
LB/LW
0
7FF
3FFF
B/W
0
7FF
800
FFF
1000
17FF
1800
1FFF
LB/LW
0
7FF
3FFF
Installation
location
Number
of installation
1 Module
2 Modules
3 Modules
4 Modules
CPU
Module 1 Module 2
Module 3
Module 4
4096
points
to
to
to
to
to
to
to
to
to
to
toto
to
to
toto
8192
points
2048
points
2048
points
2048
points
2048
points
2048
points
2048
points
2048
points
LB/LW
0
FFF
3FFF
LB/LW
0
7FF
3FFF
LB/LW
0
7FF
3FFF
LB/LW
0
7FF
3FFF
LB/LW
0
7FF
3FFF
LB/LW
0
7FF
3FFF
to to
to
to to to