3BSE018173R1 ABB

When designing a control system,one should not choose according to the definition of PAC,PLC or PLC-based PAC.Instead,users should determine their controller needs based on their specific application and choose the most suitable product.

Whether the application is machine control,motion control,process control,mapping and data acquisition,distributed control and enterprise connectivity,or a combination of the above,the definition of the controller should be based on the application requirements and the controller’s capabilities.

在设计控制系统时，不应该按照PAC、PLC或基于PLC的PAC的定义来选择。相反，用户应该根据其特定应用来确定其对控制器的需求，选择最适合的产品。

不管应用场合是机器控制、运动控制、过程控制、测绘和数据采集、分布式控制和企业互联互通，还是上述几种特性的组合，控制器的定义应该依据应用需求和控制器的功能。