Xenus XSL User Guide ServoTube Motor Setup
Copley Controls Corp. 191
Choosing ServoTube Auto Phase Current and Increment Rate Values
Here are some considerations in choosing Auto Phase Current and Increment Rate values:
• If friction is high, then more current may be required to move the load.
• High static friction may require more current to overcome stiction.
• Transition from static friction to dynamic friction, and back, may produce jerky motion.
• A faster rate will operate in the dynamic friction range.
• A slower rate will operate in the static friction range.
Trouble Shoot Motor Direction Setup
If motor direction setup step failed:
• Check feedback power and sin cos signals.
• Check shielding for proper grounding.
Trouble Shoot Motor Wiring Setup
If motor wiring setup step failed:
• Verify that amplifier is disabled.
• Check for mechanical jamming.
• Check for smooth motion with no mechanical jerking.
• Check for good connections to the motor power wires.
• Disconnect motor power wires.
• Measure for proper motor resistance.
Trouble Shoot Analog Hall Wiring Setup
If Analog Hall wiring setup step failed:
• Check feedback power and sin cos signals.
• Check for smooth motion with no mechanical jerking.
• Check shielding for proper grounding.
Other Problems
If the auto phase procedure fails despite these corrective measures, see G.2.2: ServoTube
Manual Phase (p. 192).
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