Copley Controls Serial Encoder Guia do Utilizador Página 127

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CME 2 User Guide Control Loops
Copley Controls 127
Manually Tune the Position Loop
METHOD: Minimize following error and oscillation by running profiles and adjusting
position proportional gain (Pp), velocity feed forward (Vff), acceleration feed forward
(Aff) and other settings. For instance:
NOTE: During tuning, observe warnings that appear to the left of the trace.
1
Click the Scope Tool.
2
Select the Profile tab.
3
On the Settings tab, make sure Auto Setup is selected. Auto Setup
automatically sets the following parameters:
Profile Tab
Parameter
Description
Move
Relative
Type
Trap
Distance
2000 counts
Reverse and repeat
Not selected
Settings Tab
Channel 1
Profile velocity (green)
Channel 2
Following error (white)
4
If the Auto Setup default profile distance is not
appropriate, enter an appropriate short distance.
5
Click Start. The Profile Generator executes a short move.
NOTES:
1) The profile may not reach constant velocity during a short move.
2) If a following error occurs, open the Control Panel and click Clear Faults.
Continued…
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