ABB PFCA401SF 3BSE024387R4 tension control unit supply

Description

ABB PFCA401SF 3BSE024387R4 tension control unit supply

The main control workstation of public equipment is responsible for coordinating and managing the work of various local subsystems of public equipment, recording and calculating operational information, and storing processed data into a database. At the same time, it completes remote monitoring and control functions of public and ventilation air conditioning equipment. Each subsystem station is responsible for controlling the leakage drainage pump system, low-pressure air compressor system, fire pump and deluge valve control system, ventilation and air conditioning system, and ABB AC31 50 series programmable controller system.

Among them, the ventilation and air conditioning system is divided into several remote control stations, including the main factory building, auxiliary factory building, installation site auxiliary factory building, and outlet shaft. Each remote control station is separately controlled by several sets of remote I/O. The remote I/O adopts 50 series Modbus remote expansion modules, which not only improves the cost-effectiveness of the system, but also ensures the stable operation of the system. Each set of PLC substations uses MODBUS protocol to communicate with the upper computer of public equipment, and the maximum distance between the substation and the main control workstation is 1380 meters. The entire system utilizes the advantages of ABB AC31 series programmable controllers to achieve optimal control.

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