1 OVERVIEW
PLC CPU
Device memory
PLC CPU
Device memory
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(21) Transient transmission
With this method of transmission, the counterpart is specified and 1:1
communication is performed at an arbitrary timing (see Section 4.5).
Master station
Master module
RIWT
Send buffer
Master station
Master module
RIRD
Send buffer
MELSEC-Q
Local station
Buffer memory
Local station
Buffer memory
1 - 11