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6.1 Type of Adjustments and Basic Adjustment Procedure
6-3
6
Adjustments
6.1
Type of Adjustments and Basic Adjustment Procedure
This section describes type of adjustments and the basic adjustment procedure.
6.1.1
Adjustments
Adjustments (tuning) are performed to optimize the responsiveness of the SERVOPACK.
The responsiveness is determined by the servo gain that is set in the SERVOPACK.
The servo gain is set using a combination of parameters, such as speed loop gain, position loop gain, filters,
friction compensation, and mass ratio. These parameters influence each other. Therefore, the servo gain must
be set considering the balance between the set values.
Generally, the responsiveness of a machine with high rigidity can be improved by increasing the servo gain. If
the servo gain of a machine with low rigidity is increased, however, the machine will vibrate and the respon-
siveness may not be improved. In such case, it is possible to suppress the vibration with a variety of vibration
suppression functions in the SERVOPACK.
The servo gains are factory-set to appropriate values for stable operation. The following utility function can be
used to adjust the servo gain to increase the responsiveness of the machine in accordance with the actual con-
ditions. With this function, parameters related to adjustment above will be adjusted automatically and the need
to adjust them individually will be eliminated.
This section describes the following utility adjustment functions.
Utility Function for
Adjustment
Outline
Applicable
Control
Method
Tool*
Digital Oper-
ator
Panel Oper-
ator
S
Tuning-less
Levels Setting
(Fn200)
This function is enabled when the factory settings
are used. This function can be used to obtain a sta-
ble response regardless of the type of machine or
changes in the load.
Speed and
Position
Advanced Autotun-
ing (Fn201)
The following parameters are automatically
adjusted using internal references in the SERVO-
PACK during automatic operation.
• Mass ratio
• Gains (position loop gain, speed loop gain, etc.)
• Filters (force reference filter, notch filter)
• Friction compensation
• Anti-resonance control adjustment function
• Vibration suppression function
Speed and
Position
Advanced Autotun-
ing by Reference
(Fn202)
The following parameters are automatically
adjusted with the position reference input from the
host controller while the machine is in operation.
• Gains (position loop gain, speed loop gain, etc.)
• Filters (force reference filter, notch filter)
• Friction compensation
• Anti-resonance control adjustment function
• Vibration suppression function
Position
One-parameter
Tuning (Fn203)
The following parameters are manually adjusted
with the position or speed reference input from the
host controller while the machine is in operation.
• Gains (position loop gain, speed loop gain, etc.)
• Filters (force reference filter, notch filter)
• Friction compensation
• Anti-resonance control adjustment function
Speed and
Position
: Available
: Can be used but functions are limited.
: Not available
Содержание SGDV SERVOPACK
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Страница 53: ...www dadehpardazan ir 88594014 15 2 Panel Operator 2 10 ...
Страница 103: ...www dadehpardazan ir 88594014 15 3 Wiring and Connection 3 7 3 Connecting a Reactor for Harmonic Suppression 3 50 ...
Страница 117: ...www dadehpardazan ir 88594014 15 4 Trial Operation 4 5 4 Operator Displays during Testing without Motor 4 14 ...
Страница 203: ...www dadehpardazan ir 88594014 15 5 Operation 5 11 5 Precautions for Safety Functions 5 86 ...
Страница 275: ...www dadehpardazan ir 88594014 15 6 Adjustments 6 9 7 Position Integral 6 72 ...