-2:
Indicates that the calculated inertia coefficient is too large or too small,
and the measurement result is not within the normal range. The integral
needs to be adjusted, the limit parameters need to be re-tuned, and the
result is invalid.
-3:
The inertia ratio exceeds 25:1. The inertia ratio result is valid but does not
automatically set the loop parameters.
-4:
The measured inertia ratio is over 300 times the range. Inertia ratio result
is invalid.
Table 4-6 Stiffness and control loop settings
4.3.4 Reasons for the failure of tunning
1.
Incorrect wiring of the CD3 servo system
2.
DIN function Pre_Enable is configured but not active
When the setting for the stiffness or inertia ratio results in a Kvp value of greater
than 4000, it isn't useful to increase stiffness anymore。For encoders with less
than 80000PPR resolution, the maximum rigidity level is 22.
Attention
⚫
The EASY procedure must be run first and completed, before tunE may be used
⚫
inertia measurement might cause the machine to oscillate, please be prepared
to shut off controller power immediately.
⚫
Provide enough mechanical space for motor oscillation during inertia
measurement in order to avoid machine damage.
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