Mitsubishi MELSEC-Q Series User Manual page 281

APPENDIX
Master station
PLC CPU
Command
G.RISEND
Device memory
4)
App - 20
(1) Functions
(a) Operation chart for the RISEND instruction
Master module
RX
RY
1)
Send buffer
1) Stores the data to be written to the specified station in the send buffer of
the master module.
2) Writes the data specified by (S1)+2 and (S1)+3 into the buffer memory
specified by (S1)+1.
At this time, handshaking will be performed by the interlock signal
specified by (S3).
3) A write complete response is returned to the master station.
4) The device specified by (D) turns ON.
(b) The RISEND instruction can be executed to multiple intelligent device
stations simultaneously.
However, this instruction cannot be executed simultaneously at more than
one location for the same intelligent device station.
Specified
station
Buffer memory
2)
2)
3)
MELSEC-Q
Intelligent device station
RX
RY
App - 20