介绍了以单片机为中心的SCY电机数据采集控制仪与ZJYW-1型微机型转矩、转速仪接口之间的匹配和完成对转矩、转速参量实时控制、数据采集、处理的单片机软件,以及单片机与上级微机IBM-PC/XT之间双向通讯接口和软件的设计。并介绍了由此二级机形式完成自动T-n曲线的测定过程。 This paper introduces the SCM motor data acquisition controller with SCM as the center and the matching of ZJYW-1 microcomputer torque and speed meter interfaces and the SCM software which realizes the real-time control of torque and speed parameters, data acquisition and processing, As well as the two-way communication interface and software design between the one-chip computer and upper computer IBM-PC / XT. The procedure of automatic T-n curve by this two-stage machine is also introduced.