Making the most of electromechanical facility to control the hardwareresource of PLC in the system can simplify the design of hardware in diagnosing system.
充分利用机电设备控制系统中plc的硬件资源，可简化诊断系统的硬件设计。
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This paper proposes using 8098 single chip computer as industrial control. The rich software and hardwareresource of the single chip computer is used in servo—system.