Mitsubishi Electric Melsec Q Series User Manual page 253

7
PROGRAMMING
(b) I/O data exchange program example
POINT
Figure 7.25 Program Example for the I/O Data Exchange Function (When Mounted on a Remote I/O Station)
7.8 Program Example When Mounting the QJ71PB92V on a MELSECNET/H Remote I/O Network
7.8.1 Program example for the I/O data exchange function (When mounted on a remote I/O station)
After execution of the REMFR/REMTO instruction, it requires several scans until
read/write of actual data is completed.
Not required when initial settings are not changed
Processing for failed
initialization
Processing for failed
initialization
Processing for failure of
output data (initial value)
writing
1
2
3
Initializing Diagnostic
information invalid
setting area
4
Initializing Diagnostic
information non-
notification time
setting area
5
Writing the initial value
of output data
6
I/O data exchange
start processing
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