Mitsubishi Electric Melservo-J2-JR SERIES Instruction Manual page 101

6. DISPLAY AND OPERATION
The following table lists the servo statuses that may be shown:
Name
Cumulative feedback
pulses
Servo motor speed
Droop pulses
Cumulative command
pulses
Command pulse
frequency
Analog speed
command voltage
Analog speed limit
voltage
Analog torque
command voltage
Analog torque limit
voltage
Regenerative load
ratio
Effective load ratio
Peak load ratio
Within one-revolution
position
Multi-revolution
counter
Load inertia moment
ratio
Symbol Unit
C pulse Feedback pulses from the servo motor encoder are counted and
displayed. The value in excess of 9999 is counted, bus since the
servo amplifier display is four digits, it shows the lower four digits of
the actual value. Press the "SET" button to reset the display value to
zero.
r r/min The servo motor speed is displayed. When the servo motor is rotating
in the reverse direction, the decimal points in the upper 3 digits are
lit. The value rounded off is displayed in 0.1r/min.
E pulse The number of droop pulses in the deviation counter is displayed.
When the servo motor is rotating in the reverse direction, the
decimal points in the upper 3 digits are lit.
Since the servo amplifier display is four digits, it shows the lower
four digits of the actual value.
P pulse The position command input pulses are counted and displayed. As
the value displayed is not multiplied by the electronic gear, it may
not match the indication of the cumulative feedback pulses. The
value in excess of 9999 is counted, but since the servo amplifier
display is four digits, it shows the lower four digits of the actual
value. Press the "SET" button to reset the display value to zero.
When the servo motor is rotating in the reverse direction, the
decimal points in the upper 3 digits are lit.
n kpps The frequency of the position command input pulses is displayed.
The value displayed is not multiplied by the electronic gear. When
the servo motor is rotating in the reverse direction, the decimal
points in the upper 3 digits are lit.
F V (1)Torque control mode
Analog speed limit (VLA) voltage is displayed.
(2)Speed control mode
Analog speed command (VC) voltage is displayed.
U V (1)Position control mode, speed control mode
Reverse rotation analog torque limit (TLA) voltage is displayed.
Indication range: 10 to +10V.
(2)Torque control mode
Reverse rotation analog torque command (TLA) voltage is
displayed.
Indication range: 0 to +10V
L % The ratio of regenerative power to permissible regenerative power is
displayed in %.
J % The continuous effective load torque is displayed.
The effective value is displayed relative to the rated torque of 100%.
b % The maximum torque generated during acceleration/deceleration,
etc.
The highest value in the past 15 seconds is displayed relative to the
rated torque of 100%.
Cy pulse Position within one revolution is displayed in encoder pulses.
The value returns to 0 when it exceeds the maximum number of
pulses.
LS rev The value of the multi-revolution counter is displayed.
Since the servo amplifier display is four digits, it shows the lower
four digits of the actual value.
dc 0.1 The estimated ratio of the load inertia moment to the servo motor
Times shaft inertia moment is displayed.
Description
6 - 3
Display
Range
9999
to
9999
6000
to
6000
9999
to
9999
9999
to
9999
500
to
500
10.00
to
10.00
Refer to
the
Descrip-
tion
column.
0
to
100
0
to
300
0
to
400
0
to
8191
32768
to
32767
0
to
1000