Motor control circuit and control system using the same

Abstract

Disclosed herein are a motor control circuits and a control system comprising the motor control circuits. Each motor control circuit comprises a pulse generation counter for counting a clock and generating control pulses, a pulse counter for counting the control pulses, a rate data conversion ROM for converting the speed data to a count value used in the pulse generation section, first holding section for holding at least the information concerning the upper and lower limits of the speed, second holding section for holding at least the information concerning the acceleration and deceleration speeds, and speed change section for increasing or decreasing the speed data gradually by counting the count of the pulse counting section from the lower to the upper limit of the speed held in the first holding section with a value corresponding to the acceleration or deceleration speed held in the second holding section, and giving the instructions of rewriting each value and of starting and stopping the operation corresponding to a predetermined command from the main control section.

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