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4. OPERATION AND DISPLAY
4.2 Start up
WARNING
CAUTION
Connect the servo motor with a machine after confirming that the servo motor operates properly alone.
(1) Power on
When the main and control circuit power supplies are switched on, "b1" (for the first axis) appears on
the servo amplifier display.
In the absolute position detection system, first power-on results in the absolute position lost (25) alarm
and the servo system cannot be switched on. This is not a failure and takes place due to the uncharged
capacitor in the encoder.
The alarm can be deactivated by keeping power on for a few minutes in the alarm status and then
switching power off once and on again.
Also in the absolute position detection system, if power is switched on at the servo motor speed of
500r/min or higher, position mismatch may occur due to external force or the like. Power must
therefore be switched on when the servo motor is at a stop.
(2) Parameter setting
Set the parameters according to the structure and specifications of the machine. Refer to chapter 5 for
the parameter definitions.
Parameter No.
7
Rotation direction setting
8
Auto tuning
9
Servo response
After setting the above parameters, switch power off once. Then switch power on again to make the set
parameter values valid.
Do not operate the switches with wet hands. You may get an electric shock.
Do not operate the controller with the front cover removed. High-voltage terminals
and charging area exposed and you may get an electric shock.
During power-on or operation, do not open the front cover. You may get an electric
shock.
Before starting operation, check the parameters. Some machines may perform
unexpected operation.
Take safety measures, e.g. provide covers, to prevent accidental contact of hands
and parts (cables, etc.) with the servo amplifier heat sink, regenerative resistor,
servo motor, etc.since they may be hot while power is on or for some time after
power-off. Their temperatures may be high and you may get burnt or a parts may
damaged.
During operation, never touch the rotating parts of the servo motor. Doing so can
cause injury.
Name
Setting
Increase in positioning address rotates the
0
motor in the CCW direction.
1
Used.
5
Slow response (initial value) is selected.
4 - 2
Description
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