Mitsubishi Electric MELSEC Q Series User Manual page 159

4) The area occupied for auto refresh in the CPU shared memory is a total of Setting 1 to 4.
When send points are set, the first and last addresses of the auto refresh area are automatically displayed
as hexadecimal offset values.
For example, the CPU that has send point setting in Setting 1 and 2 has the last address of "the first
address of the auto refresh area + offset value of Setting 2". (In Figure 4.10, up to "the first address of the
auto refresh area + 11
is set for CPU No. 4.)
When a CPU has setting in Setting 1 only, the last address in Setting 1 is the one of the CPU's auto refresh
area.
4 - 13
" are set for CPU No. 1 and 2, and "the first address of the auto refresh area + 21
H
Final address of CPU shared memory for each CPU
Figure 4.10 Display of auto refresh area address
"
H
Transmission
range of CPU
No. 1
Final address
of CPU device