Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual - Manual (Page 208)

Detailed Flowcharts
Appendix D
DĆ4
Figure D.3
WTAK Subroutine
RETURN
Get the Response
Code (if Any)
from RESP
STOPTIME
Cancel the
ACK Timer
Common
•
WTRESP: A Sleep Location
•
RESP: A Variable Used to Pass the
Response Code from the Receiver to the
Transmitter
11657
WTAK
STARTTIME
Start the ACK
Timeout
Receive
a Response
?
SLEEP
Go to Sleep
at WTRESP
No
Yes
Indivisible Zone