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 normal<br />
temperature<br />
in cabinet<br />
Y<br />
Command<br />
pulse train<br />
correct<br />
Y<br />
Is <strong>speed</strong><br />
lower than<br />
rated one<br />
Y<br />
N<br />
N<br />
N<br />
Review heat generating devices,<br />
and cooling system.<br />
Correct signal voltage, frequency and<br />
synchronization. Check for electrical<br />
noise in signal cables.<br />
Lower the actuator<br />
<strong>speed</strong> than rated<br />
one.<br />
Is load<br />
inertia<br />
proper<br />
N<br />
Gain<br />
adjustment<br />
possible<br />
N<br />
Lower load inertia<br />
Y<br />
Adjust gains<br />
correctly.<br />
Large<br />
fluctuation in<br />
load torque<br />
N<br />
Gain<br />
adjustment<br />
possible<br />
N<br />
Lower its fluctuation.<br />
Use higher output<br />
actuator.<br />
Y<br />
Y<br />
Adjust gains<br />
correctly.<br />
Motor<br />
wiring from<br />
driver<br />
correct<br />
Y<br />
Is torque<br />
limit value<br />
too small<br />
Y<br />
Is CN2-2<br />
CLEAR ON<br />
sometimes<br />
Y<br />
N<br />
N<br />
N<br />
Verify motor cable<br />
connections.<br />
Set [b: torque limit]<br />
normal.<br />
Try to open (OFF)<br />
CN2-2 CLEAR<br />
To next page<br />
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