10-10
10-3 Manual Tuning
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
10
Adjustment Functions
10-3 Manual Tuning
Basic Settings
As described before, the OMNUC G5-series Servo Drives have a realtime autotuning function.
Readjustment, however, is required if realtime autotuning cannot adjust the gain properly for
same reasons: there is a restriction by load conditions, or a necessity to ensue optimum
responsiveness and stability for each load.
This section describes how to perform manual tuning for each control mode and function.
Before Manual Setting
More reliable adjustment can be performed quickly by using waveform monitoring with the data
tracing function of the CX-Drive or by measuring the analog voltage waveform with the monitor
function.
Analog Monitor Output
The actual motor speed, command speed, torque, and number of accumulated pulses can be
measured in the analog voltage level using an oscilloscope or other device. The type of signal
to output and the output voltage level are set with Analog Monitor 1 Selection (Pn416) and
Analog Monitor 2 Selection (Pn418) settings. For details, refer to "12-2 Parameter List" (P.12-
11).
The refresh period of the analog monitor is 1 ms.
CX-Drive Data Tracing Function
Commands to the motor and motor operation (speed, torque command, and position error) can
be displayed on a computer as waveforms. Refer to the CX-Drive Operation Manual (Cat. No.
W453).
USB communications cable
Connect to CN7.
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