User guide
CME 2 User Guide    Control Loops 
Copley Controls  133 
11.8: Auto Tune all Loops for Linear Motors 
The Auto Tune all loops feature is available for use with linear motors. 
!
DANGER 
Make sure motor is mounted firmly and verify accuracy and completeness of 
motor data. 
Failure to heed this warning can cause equipment damage, injury, or death. 
Tune All Loops with Auto Tune (Linear Motors) 
At any point, use Back to return to the previous screen. Use Skip to tune the velocity loop 
without tuning the current loop, or to tune the position loop without tuning the velocity loop. 
1 
Verify the motor is mounted firmly. Also verify the accuracy and completeness of the motor 
settings. See Motor/Feedback (p. 41). 
Current Loop 
2 
Make sure the amplifier’s Basic Setup (p. 33) and Motor Phasing (p. 93) procedures have 
been performed, and that the system is capable of a 10 mm move. 
3 
 Click Auto Tune to open the Current Loop Tune screen. 
The status indicator is blue when the amplifier is ready for tuning. 
4 
Verify the Initial Move Positive setting. In most cases, this option should be set. If positive 
initial motion is not possible, you can specify negative initial motion by clearing this option. 
For instance, negative initial motion may be used when a vertical axis is at the bottom of 
the motion range and the positive direction is down. 
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