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4 STARTUP
4.3 Switch setting and display of the servo amplifier
Status display of a station
Display sequence
*1
*2 Always make the servo-off status before turning off the controller power. Otherwise, [AL. 8D] may occur.
Controller power on
(Network communication begins)
Ready-on
Servo-on
Ordinary operation
Controller power off
*2
Controller power on
When an alarm or a
warning occurs, the
alarm No. or the
warning No. is shown.
Waiting for controller power to switch on
(Network communication)
Ready-on and servo-off
Ready-on and servo-on
*1
*1
*1
When an alarm No. or warning No. is displayed
Initial data communication
with the controller
(initialization communication)
Ready-off and servo-off
Example:
Blinking
Blinking
After 0.8 s
Blank
After 0.8 s
When [AL. 50 Overload 1]
occurs at station No. 1
Example:
Blinking
Blinking
After 0.8 s
Blank
After 0.8 s
When [AL. E1 Overload warning 1]
occurs at station No. 1
During a non servo-off causing warning,
the decimal point on the third digit LED
shows the servo-on status.
Servo amplifier power on
System check in progress
Alarm reset or warning cleared
The segment of the last 2 digits shows the station number.
Station
No. 1
Station
No. 2
Summary of Contents for MELSERVO-J4 series
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