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MELSEC-
A
8 OTHER FUNCTIONS
As the default value, the following buffer memory is set in the RW refresh
destination address designation area of the buffer memory for the RW update
function.
Designate the address of the R2 buffer memory to be assigned to the remote
register (RW) as necessary.
R2 buffer
memory
address
Remote
register
Default
value
R2 buffer memory indicated with default
value
R2
43
H
RWw0 118H Transmission head frame No.
R2
45
H
RWw1 119H Transmission end frame No.
R2
47
H
RWw2 120H Transmission table head No. designation
Master station
R2
R2
49
H
RWw3 121H Transmission table size
R2
44
H
RWr0 1B0H General error code
R2
46
H
RWr1 1B1H Transmission error code
R2
48
H
RWr2 1B2H Reception error code
R2
Master station
R2
4A
H
RWr3 1B6H Data size storage in OS reception area
POINT
•
The
R2
41
H to 42H default values are valid only for the remote register (RWr)
assignment. (The remote register (RWw) assignment is invalid.)
To validate the remote register (RWw) assignment, change the default value
for the buffer memory RWw update validity designation (
R2
41
H).
•
When the setting values of the
R2
40H to 4A H have been changed, always
initialize the R2 with the process given in section 8.6.