Rockwell Automation 1775-KA PLC-3 Communication Adapter Module User Manual - Manual (Page 224)

Detailed Flowcharts
Appendix D
DĆ14
Figure D.15
SENDDATA Subroutine
SENDDATA
TXALLOC
Allocate UART
or Wait
SEND
Transmit Link
Data Byte
Is Data
Byte DLE
?
SEND
Transmit a
Second DLE
TXFREE
De–allocate
UART
RETURN
Yes
No
Input:
•
Link Data Byte
10085–I