【摘要】 介绍了一套自行设计的汽车空调压缩机自动测试系统。该系统基于西门子SIMATICS7-300PLC,能自动完成汽车空调压缩机的各项性能测试。本文包括该系统的基本特性、装置、控制流程和PLC软、硬件设计。实践证明,该系统能大大提高汽车空调压缩机的测试速度。更多还原

【Abstract】 This paper presents an auto air-condition compressor checking system.This system, based on SIEMENS SIMATIC S7-300 PLC,can complete all checking items automatically.Its basic characteristics, equipments,control flow and PLC hardware and software design are introduced in this paper.Practice has proved that this system can improve the checking rate remarkably.更多还原