Mitsubishi Electric MELSEC Q Series Reference Manual page 224

(2) Setting details
Refresh parameters are set in the following manner depending on the number of modules and the mounted
position.
(a) For High Performance model QCPU, Process CPU, Redundant CPU, or Universal
model QCPU
• Transfer range of LB/LW
No. of
modules
1
2
3
4
222
CPU Module 1
B/W LB/LW
0
8192
points
1FFF
B/W LB/LW
0
4096
points
FFF
1000
4096
points
1FFF
B/W LB/LW
0
2048
points
7FF
800
2048
points
FFF
1000
2048
points
17FF
1800
1FFF
B/W LB/LW
0
2048
points
7FF
800
2048
points
FFF
1000
2048
points
17FF
1800
2048
points
1FFF
Module mounting position
Module 2 Module 3
0
1FFF
LB/LW
0 0
FFF FFF
LB/LW
0 0
7FF 7FF
LB/LW
0 0
7FF 7FF
Module 4
LB/LW
0
7FF
LB/LW LB/LW
0 0
7FF 7FF