State Grid

Wuhan Maiwe Communication Co., Ltd. was established in 2001, committing to Industrial Ethernet Switches, EN50155 Switches, Embedded Communication Modules, Device Networking Products, Industrial Wireless Equipment and IIoT related products over 20 years. The products have penetrated into the power, rail transit, industrial automation, new energy, mining, industry, environmental protection, petrochemicals and industrial controlling fields. Its main products support standard protocol like RSTP, MSTP, VRRP, EAPS, OSFP, Modbus and so on, also have obtained CE, FCC, RoHS, EN50155 and some other international certifications.
Thermal Power DCS System

The DCS system is oriented to various manufacturing industries. Because of the particularity of each industry, the DCS system also has different branches.DCS is applied to power plants, like general DCS systems, according to the power plant operation logicandvarious simulated data volumes, through the power plant operation logic to realize the control of various executive components.This is a comprehensive system, which can not only accurately collect various data and correctly issue the basic functions of control commands, but also analyze and identify various data.

MW Solution

System requirement

-Networking supports star, ring, and bus topologies

-Compatible with various fieldbuses, such as HART, ProfiBUS-DP/PA, ModBUS, etc.

-Fully redundant configuration (system network, control network, controller, power supply, IO modules)

-Multiple isolation (for photoelectric isolation and power isolation between bus network and module)

-Multiple protection, including electrostatic discharge immunity, RF electromagnetic radiation immunity, surge impact, electric fast transient pulse group, oltage sag and short-time interruption immunity, etc

Maiwe Solution

Maiwe adopts the structure of multi-ring coupling network. The single ring composed of MISCOM7212G industrial Ethernet switch is coupled with the ring of monitoring center to form a multi-ring coupling topology.The network has the characteristics of real-time acquisition function, scalability, high reliability, high bandwidth, high-quality network signal transmission and redundant backup.By adopting this networking mode, each furnace not only achieves the redundancy of the site, but also achieves the redundancy of the communication with the monitoring center.Moreover, each furnace itself is connected with the monitoring center by coupling ring, which ensures that the monitoring of each burner does not affect each other.


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