Rockwell Automation 1775-KA PLC-3 Communication Adapter Module User Manual - Manual (Page 235)

Detailed Flowcharts
Appendix D
DĆ25
Figure D.30
GETBUF Subroutine
GETBUF
Is there
a Buffer
?
GETFREE
Get an
Empty Buffer
RETURN
Yes
No Is there
a Buffer
?
RETURN
Yes
Save Ad-
dress
of Buffer
Set the
BUFFER Flag
RETURN
10100–I