position / speed mode - Harmonic Drive LLC
position / speed mode - Harmonic Drive LLC
position / speed mode - Harmonic Drive LLC
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Chapter 7Trouble shooting<br />
From prior page<br />
Is encoder<br />
signal<br />
normal<br />
N<br />
Is noise on<br />
encoder<br />
signal<br />
Y<br />
Improve grounding<br />
and cable installation.<br />
Use shield cable.<br />
Y<br />
N<br />
Actuator failure<br />
Is there play or<br />
resonance in<br />
mechanism<br />
N<br />
Improve<br />
mechanism.<br />
Y<br />
Actuator or driver<br />
failure<br />
Poor <strong>position</strong>ing accuracy<br />
Start<br />
In host<br />
program<br />
correct<br />
Y<br />
Command<br />
pulse<br />
normal<br />
Y<br />
Command<br />
pulse timing<br />
normal<br />
Y<br />
Electronic<br />
gear<br />
correct<br />
N<br />
N<br />
N<br />
N<br />
Correct it.<br />
Correct pulse<br />
frequency.<br />
Check noise.<br />
Check command<br />
pulse in the host.<br />
Correct electronic<br />
gear parameters.<br />
To next page<br />
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