1 - 14 Machine Components 704-0212-209 VM Series Maintenance and Safety Manual
Feedback Systems
Each drive has circuitry to detect conditions in the servo closed-loop system. Each axis
motor is equipped with a rotary encoder that provides velocity and position feedback
signals for each closed-loop system. These signals are required for motor control and
accurate positioning.
Limit switches mounted on each axis are used to establish reference points for initial
machine zeros and for determining end-of-travel.
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