What is the difference between PLC and DCS?


What is the difference between DCS and PLC as the two core products of industrial control?

Some people say that they are two brothers with different fields of focus. Some people say that they are just a thing, but the name is different.

Let’s just talk about the point of view simply and rudely. DCS is the system, PLC is the equipment, you have me, I have you, the key depends on how the system is configured.

There are two main types of control products: DCS and PLC

DCS (Distributed Control System) distributed control system

PLC (Program Logic Control) programmable logic controller


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