Omron WD30-ME Operation Manual page 65

Example of Using an Explicit Message
If Explicit message communications are completed, clear the execution conditions.
If the DRT1-232C's RS-232C Receiving Flag is OFF and the RS-232C Reception
Completed Flag is ON, turn ON the Explicit message communications conditions.
RS-232C
Receiving
Flag
Equals Flag
Equals Flag
RS-232C
Reception
Completed
Section 3-2
53