A Quick Introduction about PLC, SCADA, and HMI What is a PLC? A programmable Logic Controller (PLC) is an industrial computer used to control a specific process, machine system, or sometimes even an entire production line.. PLC is an industrial computer without a mouse, keyboard, and monitor. As it is an industrial computer, a logical program to control the process …
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You have a SCADA to display the conveyor system graphics in it. So, the main difference is that a PLC is used for writing the control logic whereas a SCADA is used for displaying the graphics and providing set parameter access to the operator so that he can operate and control the variables written in the PLC. A PLC cannot show the graphics and ...
To interface PLC with SCADA first we have to establish a proper communication channel. The monitoring PC's communications or network port link is connected with the cable (usually) that connects to the PLC. The next step is to ensure that both the systems can communicate with each other. Atlast you need to set up the SCADA server to collect ...
SCADA stands for Supervisory Control and Data Acquisition and is a system for monitoring and controlling and as the name implies, data acquisition. It is widely used in factories to monitor and control production lines and machines. A good way to make an understanding, of what a SCADA system is and where it can be used, is to see it in relation ...
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The terms PLC and SCADA stands for Programmable Logic Controller and Supervisory Control And Data Acquisition respectively. PLC. Following are the features of PLC. • It is a hardware or a controller or a device which is programmed and installed in a panel. • It is special computer which is used to control machines and electromechanical ...
The difference between them is that the PLC is hardware based and SCADA is software based. While both fall under the category of "control systems", SCADA provides greater capability than the PLC with the help of several components. Optimally, you would want to use the capabilities of both types of control systems in order to meet design ...
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