CP410M ABB

After the personal computer(referred to as PC)was developed,for convenience and to reflect the functional characteristics of the programmable controller,the programmable logic controller was named Programmable Logic Controller(PLC).Now,PLC is often referred to as PC for short.

个人计算机（简称PC）发展起来后，为了方便，也为了反映可编程控制器的功能特点，可编程序控制器定名为ProgrammableLogicController（PLC），现在，仍常常将PLC简称PC。