
39
CD1-a
Chapter 7 - Troubleshooting
2.7 - LOUD NOISE IN THE MOTOR AT STANDSTILL AND WHEN RUNNING
¾
Check the rigidity of the mechanical transmission chain between motor and load (backlash and elasticity in the
gearboxes and couplings).
¾
Execute the
AUTOTUNING
command again by choosing a lower bandwidth (
Medium
or
Low
).
¾
If the problem remains, renew the
AUTO-TUNING
procedure by activating the antiresonance filter
(
Filter = Antiresonance
).
2.8 - POSITION CONTROL NOT POSSIBLE WITH THE NC
¾
Check the presence of the A, B and Z signals on the amplifier X2 connector by turning manually the motor
shaft and check the wiring between NC and amplifier.
¾
Check the counting direction of the NC with regard to the sign of the speed input command. If there is a
reversal, use the function
Reverse Movement
in the
VISUAL DRIVE SETUP
software to get a correct
operation.
3 - SERVICE AND MAINTENANCE
When exchanging an amplifier on a machine, proceed as follows:
¾
Plug the
parameter EEPROM
(or a copy of it) of the old amplifier on the new one.
¾
Apply a zero speed input command and start the automatic
offset compensation
procedure by means of the
button on the amplifier front panel.
The new amplifier is configurated like the old one
.
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