Mitsubishi QJ71LP21 Reference Manual page 175

7 APPLICATION FUNCTIONS
Communication program for Q62DA
Host baton
pass status
Host data
link status
Station No. 1
baton pass status
Station No. 1
cyclic transmission
status
Station No. 1
parameter
signal status
Network
module
status
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(c) Program example
The following shows an example of a REMFR/REMTO instruction on the
following system design.
It is a program for accessing the buffer memory of Q62DA and Q64AD
mounted to a remote I/O station.
System design
REMFR/REMTO
instruction request source
REMFR/REMTO
instruction object station
Program example
1) Q62DA
1 msec 1 msec 1 msec 1 msec
timer timer timer timer
Remote I/O station (Station number 0)
QJ71
QCPU
LP21
QJ72
LP25
1 msec
timer
MELSEC-Q
QX40 QY40P
Network No.1
Q62DA Q64AD Open
Station number 1
1 msec
timer
1 msec
timer
1 msec
timer
1 msec
timer
1 msec
timer
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