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6. TEST
OPERATIONS
(TEST MODE)
/MELSEC
[Operation]
(1) Position loop gain check execution request
(a) To execute the position loop gain check, press the following
keys:
V I
+
[CRI
In response to the key operation above, the position loop gain
check is executed.
(b) Pressing the [ J. ] key when the Position Loop Gain Check
screen is displayed changes the display to the Velocity Loop
Gain Check screen for the next axis.
If the [ J. ] key is pressed when the Position Loop Gain Check
screen for Axis
8
is displayed, the Test Mode Select screen
will be displayed.
[Velocity Loop Gain Check screen for Axis 11
[Position Loop Gain,Check screen for Axis 11
[Position Loop Gain Check screen for Axis 81
[Test Mode Function Select screen]
1
1
I
(2)
Position loop gain check execution
(a) Execute the position loop gain check by pressing the [F]/[R]
and [CR] keys.
The motor rotates in the forward direction (addresses in-
creasing) to check the set position loop gain.
The motor rotates in the reverse direction (addresses
decreasing) to check the set position loop gain.
(b) When the motor stops, the display changes
to the Position
Loop Gain Check Result screen and the detected undershoot
amount, setting time, and oscillation width are displayed.
(3)
Position loop gain change
(a) To change the position loop gain setting after executing the
position loop gain check, follow the steps below.
1) Display the Position Loop Gain Check screen.
Press [BS] and [-] keys while the Position Loop Gain
Check Result screen is displayed. The display changes to
the Position Loop Gain Check screen.
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