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Quick Setup with CME 2
Xenus XSL User Guide
116
Copley Controls Corp.
5.13.2: Manually Tune the Position Loop
To tune the position loop, 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.
NOTE: During position loop tuning, observe any warnings that appear to the left of the trace.
5.13.2.1
Perform an auto setup test:
1
Click the
Scope
button (
) to open the
Oscilloscope
window.
2
Select the
Profile
tab.
3
On the
Settings
tab, make sure that
Auto Setup
is checked. Auto Setup
automatically sets the following options:
Profile Tab
Move Relative
Type Trap
Distance
2000 counts
Reverse and
repeat
Not checked
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 CME 2
Control Panel
(
) and click
Clear
Faults
.
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