Non-Periodic Communications (Transient Transmission) - Mitsubishi Electric MELSEC-Q Series User Manual

8.1.2

Non-periodic communications (transient transmission)

In transient transmission, data can be communicated when a request is issued unlike periodic communications (cyclic
transmission). Direct access to the buffer memory and device in other stations can be performed in transient
transmission.
CPU module
Command
(1) Communication method
The dedicated instructions of the master/local module are used for communications. (
9)
Master station
Instruction
Device
request
1234
H
Local station CPU module
Write
CHAPTER 8 FUNCTIONS
Device
1234
H
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