基于PLCopen Safety的数控系统安全PLC软件系统  

Safety PLC Software System of the CNC Based on the PLCopen Safety

作　　者：刘武垚 朱志红[1,2] 吕晓凡 刘东辉 LIU Wu-yao;ZHU Zhi-hong;LV Xiao-fan;LIU Dong-hui(National CNC System Engineering Technology Research Center,Huazhong University of Science and Technology,Wuhan 430074,China;2.Wuhan Huazhong Numerical Control Co.,Ltd.,Wuhan 430223,China)

机构地区：[1]华中科技大学国家数控系统工程技术研究中心,武汉430074 [2]武汉华中数控股份有限公司,武汉430223

出　　处：《组合机床与自动化加工技术》2022年第4期114-117,122,共5页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家科技重大专项(2018ZX04035002-002);国家自然科学基金(U19A2072)。

摘　　要：为了规范和简化符合功能安全标准的PLC开发流程,使用顺序功能图实现了PLCopen Safety标准规定的安全功能块,并集成到Beremiz开发环境中。针对数控机床的运行特点,基于PLCopen Safety标准设计了安全PLC的软件系统,配合相应的安全硬件可以实现对数控系统的安全监控。经过实验表明设计的安全系统可以稳定可靠实现安全功能,对开发符合功能安全的PLC软件具有一定的指导意义。In order to standardize and simplify the PLC development process which meets the functional safety standard, the safety function block specified by the PLCopen Safety standard was realized by exploiting Sequential Function Chart and then integrated into a Beremiz development environment.According to the operation characteristics of the CNC machine tools, a software system of the safety PLC is designed based on the PLCopen Safety standard.Besides, the safety monitoring of the CNC system can be realized with the corresponding safety hardware.Experimental results confirm the effectiveness and reliability of the designed safety system, which also has guiding significance for the development of the PLC software with functional safety.

关 键 词：功能安全 安全PLC 数控系统 软PLC技术 PLCopen Safety 

分 类 号：TH165[机械工程—机械制造及自动化] TG502[金属学及工艺—金属切削加工及机床]