Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual - Manual (Page 227)

Detailed Flowcharts
Appendix D
DĆ23
Figure D.28
SENDNET Subroutine
11682
SENDNET
Reset the
BUFFER Flag
RETURN
An Implementation-
Dependent Routine
to Put a Message
on the INPUT Queue
Input
•
Message Buffer
Figure D.29
GETFREE Subroutine
11684
GETFREE
RETURN
An Implementation-
Dependent Routine to
Try to Allocate an
Empty Message Buffer