Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual page 345

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
Bus voltage
Effective load ratio
Peak load ratio
Regenerative load ratio
(2) Status display list
The following table lists the converter unit statuses that may be displayed.
Status display Symbol
Ready
off
Status
Ready
on
Bus voltage d
Effective load
J
ratio
Peak load ratio b
Regenerative
L
load ratio
Note. Output = converter unit bus voltage
Status
Ready off
Ready on
300[V]
67[%]
95[%]
90[%]
Unit
The ready off is displayed during initialization or alarm occurrence, in the
forced stop status, or when the bus voltage is not established.
The ready on is displayed when the servo was switched on after completion
of initialization and the servo amplifier is ready to operate.
V The converter unit voltage is displayed.
Continuous effective load torque is displayed. (Note)
% The effective value in the past 15 seconds is displayed relative to the rated
current of 100%.
The peak output is displayed. (Note)
% The peak value in the past 15 seconds is displayed relative to the rated
torque of 100%.
The percentage of regenerative power to the permissible regenerative value
%
is displayed.
output current
Description
13 - 48
Display
Indication
range
roF
ron
0 to 999
0 to 300
0 to 400
0 to 300