ENTERASYS A4H124-24TX P0973JM

ENTERASYS A4H124-24TX P0973JM

ENTERASYS A4H124-24TX P0973JM

Siemens PLC, also known as a programmable controller, is suitable for measurement and control in industrial sites. It has strong on-site measurement and control functions, stable performance, high reliability, mature technology, wide use, and reasonable price.
DCS system, also known as distributed control system, belongs to the international advanced level of large-scale control system in the 1990s. It is suitable for industrial sites with multiple measurement and control points, high measurement and control accuracy, and fast measurement and control speed. Its characteristics are decentralized control and centralized monitoring, with network communication capabilities, strong measurement and control functions, reliable operation, easy expansion, convenient configuration, and easy operation and maintenance. However, the system is expensive.
The SCADA system, also known as the distributed data acquisition and monitoring system, is a small and medium-sized measurement and control system. It combines the two major advantages of the strong on-site measurement and control function of the PLC system and the networking communication ability of the DCS system, with high cost-effectiveness.
SCADA and DCS are a concept, while PLC is a product, and the three are not comparable.
PLC is a product that can form SCADA and DCS. DCS is a development of process control, PLC is a relay logic control system, PLC is a device, and DCS and SCADA are systems.