HSLink Introduction
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11
Teacher:
NO1, your output vales are %%, what’s your newest input status?
Student NO 1:
My input status is ## (Teacher writes data on blackboard)
Teacher:
NO2, your output vales are %%, what’s your newest input status?
Student NO 2:
My input status is ## (Teacher writes data on blackboard)
… … … … … (if 63 slave modules are
equipped)… … … … … … … … …
Teacher:
NO63, your output vales are ##, what’s your newest input status?
Student NO 63:
My input status is ## (Teacher writes data on blackboard)
(A polling cycle is complete d)
(Repeat from NO1)
Figure 1.10: HSLink I/O polling cycle
Set output Values to slave 1
Gather input information for slave 1
Set output Values to slave 2
Gather input information for slave 2
Set output Values to slave 3
Gather input information for slave 3
Set output Values to slave 63
Gather input information for slave 63
