![background image](http://html.mh-extra.com/html/omron/v400-r2-series/v400-r2-series_connection-manual_741434060.webp)
9. Program
57
9.6.2. Protocol Macro Processing Procedure
This section describes the processing procedure of the protocol macro.
1.
[Step No.00]
Issuing send message (SD_RDCODE)
↓
2.
When step No.00 ends normally
When step No.00 ends in an error
↓
↓
3.
Next Process: Terminates the
communications sequence as an
End.
Error Process: Interrupts the step as an
Abort and terminates the communications
sequence.
↓
(End)
↓
(End)