CI570 3BSE001440R1 ABB

PLC is programmed with programmer or computer,and the programming language is ladder diagram,function block diagram,sequential function table diagram and instruction table.The distributed system itself or the computer structure is used to form the configuration to form the development system environment.What is specially put forward is the difference with the STD bus industrial computer,which is very similar in terms of maintenance,installation and module functions.PLC is more suitable for running in black mode,but its ability is slightly inferior to STD industrial computer if it needs to make large program modification during online operation,but in terms of switch quantity control,the performance of PLC is better than STD industrial computer.

PLC用编程器或计算机编程，编程语言是梯形图、功能块图、顺序功能表图和指令表等。集散系统自身或用计算机结构形成组态构成开发系统环境。特别提出的是与STD总线工控机的区别，无论从维修、安装和模件功能都很相似。PLC更适用于黑模式下运行，但在线运行时若要进行较大的程序修改，其能力略逊于STD工控机，但是从开关量控制而言，PLC的性能优于STD工控机。