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What makes up a SCADA control system?

Industrial automation has eased up manufacturing processes like never before. HMI, PLC, SCADA, or Supervisory Control and Data Acquisition systems are an essential part of industrial automation. They collect information that is used to monitor machinery at an industrial plant. It is used in various industries like power generation, mining, defence, etc. 

Benefits of the SCADA system are:

Helps in making better decisions

Reduces costs

Prevents unnecessary interruptions

Ensures workers' safety

The basic structure of a SCADA system includes the following:

PLC or Programmable Logic Controllers

RTU or Remote Terminal Units

PLC and RTU collect data from different input devices like sensors, pumps, etc. This data is then sent to computers equipped with SCADA at the central plant. Here, the information is displayed and processed, after which the human operators can make better decisions.

A SCADA system has five essential components:

Human Machine Interface or HMI

HMI ensures smooth communication between machines and humans. It acts both as an input and an output device. It has a display panel that displays every information about the machinery and the plant. It helps in the diagnosis and maintenance of the plant.

Supervisory system

It is used to transfer data from the RTU, PLC, valves, sensors, etc. to the HMI. This system controls operations and monitors operations to support the SCADA system.

Remote Terminal Units or RTU and Programmable Logic Controllers or PLC

RTU are devices run by microprocessors. They are used to establish communication between equipment on the field and the SCADA system. They also receive commands from the master control system, which manages the field equipment.

PLC are digital control devices that gather and convert data from various input and output devices. 

Communication infrastructure

It is an essential part of plants that are spread over a sizeable geographical place. The communication base for the SCADA system depends on the size and demands of the particular system. Few key points that need to be kept in mind while planning out the communication infrastructure are the current condition of the existing communication system, cost, speed of transmission, radio networks, etc. 

SCADA Programming

Programming is a crucial part of the SCADA system since the right programming language ensures the safe operation of the system. Various programming languages are used for the SCADA system. The latest systems usually come with in-built software that has its display panels, etc. It is imperative that an expert does the programming since that will ensure the system's smooth functioning for many years. Incorrect installations could lead to system failure, and they also pose a significant risk to human life. 

#SchneiderElectric has the latest SCADA systems with updated software. They are of excellent quality, and if you are looking for reliable SCADA systems, you must check the ones offered by Schneider. 

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