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INOVANCE TECHNOLGY EUROPE GmbH
SV660N Startup Procedure_EN_v1.4_20220826.docx
6.6.5 RIGIDITY LEVEL CALCULATION
The value range of H09-01 (Stiffness level selection) is 0 to 41. The level 0 indicates the weakest stiffness and
lowest gain and level 41 indicates the strongest stiffness and highest gain. The following table lists the stiffness
levels for different load types.
Recommended Stiffness Level
Applications with low stiffness such as a conveyor
Applications with high stiffness such as a ball screw and direct-
coupled motor
To get this Rigidity level value, there is some relation between different parameters:
- Motor Inertia J
m
- Load inertia J
l
- Motor torque N
t
- Nominal current I
n
In this example the following motor MS1H1-40B30CB-A331Z is used with the following data:
Inertia ratio H08-15=1
J
l
= ratio*J
m
Torque of a body in angular motion:
where
=moment of inertia(Kgm
2
)
α=angular acceleration (rad/s
2
)
From the following table it can be calculated the rigidity level around 24. Then H09-01 = 24
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