INTERFACE SIGNAL CONVERSION SUB CIRCUIT BOARD OF ELECTRONICALLY COMMUTATED MOTOR

摘要

An interface signal conversion sub circuit board of an electronically commutated motor. The sub circuit board is plugged into a mother circuit board of a motor controller to match an interface signal of a user-end control system. Several unit circuits are integrated on the sub circuit board. A sub microprocessor is disposed on the sub circuit board. Each unit circuit establishes a communication connection with the mother circuit board through the sub microprocessor. The circuit has simple structure, the storage space of the mother circuit board is effectively expanded, the load on a mother microprocessor is reduced, and the operation work efficiency is improved.