9 PROGRAM EXAMPLES
(7) Program for reading reception data
(8) Program for reading error codes
9 - 42
MELSEC-A
No. of read points
Access code, attribute
R2 buffer memory
address
Dedicated command
(RIRD)
Master station head I/O
No.
Access destination
station No.
Read data
Device to turn one scan
ON at completion
No. of read points
Access code, attribute
R2 buffer memory
address
Dedicated command
(RIRD)
Master station head I/O
No.
Access destination
station No.
Read data
Device to turn one scan
ON at completion