Tuning CDHD
208 User Manual
Figure 9 - 1 7 . M otion Obt ained w it h De fault Param eter Values
4 . Select the Pa ra m e t er Table tab.
Figure 9 - 1 8 . Exam ple of Pa r a m e te r s
Parameter KNLUSERGAI N (HD Global Gain) is set t o 1.000 during
autotuning. For additional, manual tuning, you can often begin with this
setting. I f the gain is too high – as evidenced by vibrations and noise –
decreasing the value of KNLUSERGAI N can help achieve a sm oot her
movement.
5 . View position error and settling time
Right -click in the recording chart pane, and select Show Set t ling Tim e.
Figure 9 - 1 9 . Position Error ( count s) and Setting Tim e ( m s)
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