Mitsubishi Electric MELSEC iQ-R Series User Manual page 95

■Operation during reception when multiple items are set for "Number Of Transaction Queues
For PLC Transmission"
Programmable
controller CPU
Receive
notification A
detection
Transmission request
relay A on
Receive
notification C
detection
Transmission request
relay C on
SECS/GEM communication
Device
Receive notification A
Receive notification C
software
Primary A
Primary B
Abort
notification B
The transaction will
be aborted until the
Transmission
transaction A is
request A
completed.
detection
Secondary A
Primary C
The transaction will
be processed
normally after the
transaction A is
completed.
Transmission
request C
detection
Secondary C
7 BASIC FUNCTIONS
7.7 Option Setting
Host
7
93