11-13
11-4 Manual Tuning
OMNUC G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
11
Adjustment Functions
11-4 Manual Tuning
As described before, the OMNUC G5-series 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.
Basic Settings
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 feedback motor speed, internal command motor speed, command torque, and position
error can be measured as an 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
(3416 hex) and Analog Monitor 2 Selection (3418 hex) settings. For details, refer to 11-1
Analog Monitor on page 11-1.
CX-Drive Data Tracing Function
Commands to the motor and motor operation (speed, command torque, 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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