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5. Manual Gain Tuning (Application)
Inertia ratio switching function
Related Parameter
Combine the following 3 parameters to setup appropriate inertia ratio switching function.
Class No.
Title
Function
6
10
Function
expansion setup
Sets bits related to inertia ratio switching function.
bit1 0: Invalid
1: Valid
bit2 0: Always valid 1: Valid
only when 1st gain is selected.
* bit 0 = LSB
Example)
To enable inertial ratio switching
Setup value = 8
0
04
Inertia ratio
Set 1st inertia ratio.
You can set up the ratio of the load inertia against the rotor (of
the motor) inertia.
6
13
2nd Inertia ratio
Set 2nd inertia ratio.
You can set up the ratio of the load inertia against the rotor (of
the motor) inertia.
How to Use
• Select 1st inertia ratio or 2nd inertia ratio according to the inertia ratio select input (J-SEL).
Inertia ratio switching
input (J-SEL)
Applicable inertia ratio
OFF
1st Inertia ratio (Pr0.04)
ON
2nd Inertia ratio (Pr6.13)
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