Less-Deviation Control - YASKAWA SGD7S series Product Manual

Less-Deviation
Control
This chapter describes less-deviation control.
3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.2 Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.2.1 Control Mode Restrictions . . . . . . . . . . . . . . . . . 3-3
3.2.2 Functional Restrictions . . . . . . . . . . . . . . . . . . . . 3-3
3.2.3 SigmaWin+ Restrictions . . . . . . . . . . . . . . . . . . . 3-3
3.2.4 Combining the SERVOPACKs with MP-Series
Machine Controllers and the MPE720 Engineering
Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.3 Adjusting Less-Deviation Control 2 . . . . . . 3-4
3.3.1 Adjustment Procedure . . . . . . . . . . . . . . . . . . . . 3-4
3.3.2 Adjustment Example . . . . . . . . . . . . . . . . . . . . . . 3-6
3.3.3 Gain Switching Combinations . . . . . . . . . . . . . . . 3-9
3.3.4 Method to Switch the Gain . . . . . . . . . . . . . . . . 3-10
3.3.5 Settings for Low-speed Feeding . . . . . . . . . . . . 3-10
3.4 Adjusting Less-Deviation Control 1 . . . . . 3-12
3.4.1 Adjustment Procedure . . . . . . . . . . . . . . . . . . . 3-12
3.4.2 Adjustment Example . . . . . . . . . . . . . . . . . . . . . 3-13
3.4.3 Gain Switching Combinations . . . . . . . . . . . . . . 3-14
3.4.4 Method to Switch the Gain . . . . . . . . . . . . . . . . 3-15
3.4.5 Settings for Low-speed Feeding . . . . . . . . . . . . 3-15
3.5 Reference Compensation . . . . . . . . . . . . . 3-17
3.6 Monitoring Machine Operation Status and Signal Waveforms . . 3-18
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