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6.1 Link Data Send/Receive Processing
6.1.2 Link refresh timing
6
LINK DATA SEND/RECEIVE PROCESSING AND
PROCESSING TIME
6.1.2 Link refresh timing
A Q series local station executes a program for refresh to perform link refresh after
completion of a link scan.
Section 3.4.2 Details of I/O signal
The following illustrates the link refresh timing of a Q series local station.
POINT
(1) Execute the program for refresh at the beginning of the sequence program.
(2) For the link refresh timing of the master and other local stations, refer to the
following.
Type MELSECNET, MELSECNET/B Data Link System Reference
Manual
Figure 6.2 Link refresh timing
0 END 0 END 0 END 0 END 0 END
B0
0 ENDRe 0 ENDRe 0 ENDRe 0 ENDRe 0 ENDReEND
B0
Re
Master station (M)
Link scan (LS)
Q series local station (L)
: Program for refresh