Rockwell Automation 1771-QA Stepper Positioning Assembly User Manual User Manual
Page 29
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3–7
Programming and Operation
Publication 1771-UM002A–EN–P – May 2000
When using the independent mode and the axes are synchronized, all
but the last axis to finish the move in process will stop motion when
finished and wait for the last axis to complete its move. All axes will
then begin the next move simultaneously as soon as the last axis has
finished its move. The process then repeats for each move in the
positioning profile (Figure 3.5).
Figure 3.5
Synchronized Axes (Independent Mode)
Rate
Time
Expander
# 1
Move 1
Move 2
Done Bit
is set
Rate
Time
Expander
# 2
Move 1
Move 2
Done Bit
is set
Rate
Time
Expander
# 3
Move 1
Move 2
Done Bit
is set
Start
Command
Done bit remains set until start of next move.
Done bit dwell time, 10msec, nominal.
10518
1
1
2
1
2
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