4000094-313 TRICONEX​工业控制系统

4000094-313 TRICONEX工业控制系统

PLC定义与选取：

PLCOPEN将PLC定义为：具有编程能力的固态控制系统

PLC主要的功能就是通过编程后实现用户需要的各种类型的控制功能，已经说过在没有PLC之前，大家要通过很多专用电路或者继电器组来完成控制功能。

现在PLC广泛的应用于几乎所有的中，我们身边的绝大多数产品都是由PLC控制的装备制造出来的。比方说塑料、包装、造纸、、石化、电梯、木工、陶瓷等等。

4000094-313 TRICONEX工业控制系统

PLC definition and selection:

PLCOPEN defines a PLC as a solid state control system with programming capabilities

The main function of PLC is to achieve various types of control functions required by users after programming, it has been said that before there is no PLC, we have to complete the control function through a lot of special circuits or relay groups.

Now PLC is widely used in almost all, the vast majority of products around us are manufactured by PLC controlled equipment. For example, plastics, packaging, paper, petrochemical, elevator, woodworking, ceramics and so on.