Detailed flowcharts appendix d – Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual User Manual

Page 211

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Detailed Flowcharts

Appendix D

DĆ7

Figure D.7

TIMEOUT Subroutine

11660

TIMEOUT

RETURN

Scheduled By

•

Aborted By

•

WAKEUP

Wake Up the Process
Sleeping at WTRESP

(If Any)

STARTTIME

STOPTIME

Figure D.8

GETMSG Subroutine

GETMSG

RETURN

UNLINK

Remove a

Message from

Queue

Boxed area above must be executed
indivisibly, i.e., with the scheduler or
interrupts disabled, depending on
implementation.

Common

•

•

Output

•

No

SLEEP

Go to Sleep
at WTMSG

11661

Is

Queue
Empty

?

Yes

WTMSG
Output Queue

A Message

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