Mitsubishi LJ61BT11 User Manual page 189

(3) Functions
Master station
Programmable controller CPU
Command
G(P).RIRD
Device memory
3)
9 - 6
(a) Operation chart for the RIRD instruction
Specified station
Master module
Receive buffer
1) Accesses the buffer memory specified by (S)+2 and (S)+3 of the station
specified by (S)+1, or the programmable controller CPU device.
2) Stores the data that has been read in the receive buffer of the master
module.
3) Stores the data that has been read after the device specified in (D1), and
the device specified by (D2) turns on.
(b) The G(P).RIRD instruction can be executed to multiple local stations or
intelligent device stations simultaneously.
Note that concurrent execution of multiple instructions including other
dedicated instruction(s) (refer to Section 9.1) is not allowed to the same local
station or intelligent device station.
Create a program in which a flag remains on until the instruction is
completed.
9. DEDICATED INSTRUCTIONS AND PROGRAMMING
Local module
1)
1)
Buffer memory
2)
2)
Programmable controller CPU
Device memory
9 - 6