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Solutions for sewage treatment automation systems

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Solutions for sewage treatment automation systems

(Summary description)

Solutions for sewage treatment automation systems

(Summary description)

Information

Medium-sized sewage treatment system

For medium-sized sewage treatment control systems, 6 PLC control stations are used. The control system of each control station adopts NA-300 series PLC and NATouch touch screen independently developed by Nanda Automation. All PLCs and HMIs support industrial Ethernet. Access to the plant-level optical fiber ring network through industrial switches, and communicate with the I/O server, alarm/history data server, engineer station, and operator station computer. The advantages of Industrial Ethernet are its long communication distance, fast transmission speed, and strong anti-interference ability.

 

 


 

Large-scale sewage treatment system

For large-scale sewage treatment control systems, the NA-400 series PLC and NATouch touch screen independently developed by Nanda Automation are used. All PLCs and HMIs support industrial Ethernet. Access to the plant-level optical fiber ring network through industrial switches, and communicate with the I/O server, alarm/history data server, engineer station, and operator station computer. The central monitoring system then exchanges data between the network switch and the management system to complete data collection and monitoring tasks.

 

The PLC control stations of the large-scale sewage treatment control system are located on the site of each process area of the sewage treatment plant. It is mainly composed of PLC cabinet, programmable controller, operator panel and network interface. Each PLC control station is connected with a shielded network cable, and the control station and the central monitoring system are connected with optical fiber.

 

 Because the control scale of large-scale sewage treatment plants is large, and the requirements for control safety and reliability are relatively high. Therefore, the design of the control system uses the NA400 series PLC to meet the requirements of the sewage treatment plant for the order of magnitude of the control points. The system adopts dual-frame CPU redundancy and ring network structure to meet the safety and reliability requirements of the sewage treatment plant for control.

 

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Time of issue:2020-06-24 00:00:00

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Time of issue:2020-06-24 00:00:00

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Time of issue:2020-06-22 00:00:00

Nanda Automation Technology Jiangsu Co., Ltd.     Record number: 苏ICP备090423423号-1