Chapter 3 Digital Keypad Operation and Start Up
3-9
Step 4 Inertia estimation
Connect the load and motor
Adjust accel./decel. time
Pr.01-12~01-13
Pr.11-00=2
If it allows the motor
to forward/reverse
running
YES
NO
Set the operation frequency
to 2/3 of motor rated
frequency
operate the motor
observe Pr.11-01
and adjust the
operation direction
adjus t multi-step speed
MI1=1, set Pr.04-00 to 1/5 of
rated frequency and operation
frequency to 4/5 of rated frequency
operate the motor
NO
YES
Check accel./decel. time
and operation frequency
setting
Stop motor running
record Pr.11-01
Pr.11-00=0
Finish trial run
observe Pr.11-01 and
set Pr.02-10 to 4 or 0
Check if Pr.11-01
setti ng is
convergence
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