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6.6. Power on and Servo on
6.6.1. Precautions
Caution : Before turning on the main power, check the following.
(1) Wiring of connectors
(2) Connecting Cable of Motor and Driver unit.
(3) Safety
Danger : Always stay in a safe place.
Warning : Confirm that the Motor is securely fixed to the mounting base and the load is
fixed to the Motor. Fully fasten all the mounting bolts.
Danger : The working area of the Motor must be protected from the operator.
6.6.2. Turning Power on
1 Turn on the power
2 Make sure that the LED of the Driver Unit and the Handy Terminal display are
indicating that the system is ready for operation.
1) Normal state
l Figure 6-11 shows the LED indicator in normal condition.
Figure 6-11
2) Abnormal
Figure 6-12
Green LED: Turns on when the power is turned on.
7-segment LED display: Indicate the type of alarm.
• The alarm is normally indicated by a 2-digit code. Two
characters are displayed alternately at certain intervals.
• When two or more alarms are detected, their codes are
also indicated alternately at certain intervals.
Normal : Green
Abnormal:Orange
l Refer to “14. Alarms” for more details.
3) Handy Terminal display
l If a message “NSK MEGA...” is displayed on the Handy Terminal, the system is ready for
operation. A colon ( : ) indicates that a command can be entered.
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