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13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
13.4.2 Status display mode
The servo status during operation is shown on the 3-digit, 7-segment LED display. Press the "UP" or "DOWN"
button to change display data as desired.
When the required data is selected, the corresponding symbol is displayed. Press the "SET" button to display
that data.
The converter unit display section can show four items of data such as the effective load factor.
(1) Display examples
The following table shows the display examples.
Item Status Display
Ready off
Status
Ready on
Bus voltage 300[V]
Effective load ratio 67[%]
Peak load ratio 95[%]
Regenerative load ratio 90[%]
(2) Status display list
The following table lists the converter unit statuses that may be displayed.
Status display Symbol Unit Description
Indication
range
Ready
off
The ready off is displayed during initialization or alarm occurrence, in the
forced stop status, or when the bus voltage is not established.
roF
Status
Ready
on
The ready on is displayed when the servo was switched on after completion
of initialization and the servo amplifier is ready to operate.
ron
Bus voltage d V The converter unit voltage is displayed. 0 to 999
Effective load
ratio
J %
Continuous effective load torque is displayed. (Note)
The effective value in the past 15 seconds is displayed relative to the rated
current of 100%.
0 to 300
Peak load ratio b %
The peak output is displayed. (Note)
The peak value in the past 15 seconds is displayed relative to the rated
torque of 100%.
0 to 400
Regenerative
load ratio
L %
The percentage of regenerative power to the permissible regenerative value
is displayed.
0 to 300
Note. Output = converter unit bus voltage output current