The IS420ESWBH2A is an unmanaged Ethernet switch typically used within General Electric’s Mark VIe Speedtronic system.  This is a control and management system for industrial hydro, gas, and steam turbine systems ranging from single turbines to entire plants. 

The IS420ESWBH2A offers many standard features, including

• LEDs for the presence of link activity, duplex, and speed for each port

• An LED for Power

• 10/100 base copper w/ auto-negotiation

• 100 Mbps FX uplink port

• HP MDIX auto-sensing

• Compatibility with 802.3, 802.3u, and 802.3x Ethernet

• 4K Media Access Control (MAC) addresses and a min.  256Kb buffer. 

The unit has sixteen ports that support 10/100 BASE TX.  Two of these ports also support 100BASE FX connections (LC-type.) 

Our company is a global brand (DCS system) (robot system) (large servo control system) module spare parts sales, the company's product content is distributed control system (DCS), Programmable logic controller (PLC), ABB, AB, Bentley, Invensys, Woodward, Foxboro, Westinghouse, Ryan, Schneider Modicon, MOTOROLA, GE Fenuc, Yaskawa, Bosch Rexroth, ACSO, Rexroth and other major brands of DCS system accessories, robot system accessories, large servo system spare parts.

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FROM：Mr. Wei

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PC control module

PC control module, is based on PC as a basic development of a control terminal. PC control module is a programmable controller, is used for communication between PC and PC station terminal, mainly used to achieve control data communication function. PC control module has powerful functions, good compatibility, high security, cheap price, simple maintenance, support industrial environment and other characteristics. According to customer requirements for secondary development and production, with high cost performance. PC control module through serial communication technology and analog/digital communication technology and PLC, MCU and other control equipment to achieve communication, can be used in PLC, MCU and other control equipment.

1, connection control network, can support single point and multi-point connection, improve the speed of the system

At present, many PLC manufacturers in China have introduced PC control module which supports multi-point network control. Such as Taiwan Asus, Taiwan Xinli, Toshiba semiconductor, etc.; In addition, Huawei, Hikvision, Jingdong and other enterprises have also launched PC control modules supporting multi-point networking control, such as Siemens PowerServer, etc. These enterprises are very confident in the quality and performance of PC control modules. For PLC products with high production environment requirements,PCI-E (Simulator Internet) technology has become a widely adopted development trend. At present, many PLC manufacturers are launching their own platform PCI-E products. Due to the high quality and comprehensive functions of PCI-E products, it is not necessary to configure the hardware circuit or software function of PC in the production process. As long as the customer needs, according to different occasions, application requirements for secondary development and production.

2, interoperable with the user computer

The work of PLC is realized by PC computer. Therefore, the computer should be kept at an appropriate safe distance from the PC and the communication channel between the two must be kept in good operation. PLC can be installed on the rack of a PC computer. The staff of the user computer should operate the PLC through the PC computer. The PLC should be run on the computer, or placed on a special rack (such as a PLC server installed on the rack). The server must communicate with the user computer.

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3. Real-time display of control information

If there is communication between PLC or PLC and MCU, PLC can access information through FPGA or DSP to achieve data acquisition through the serial communication protocol provided by FPGA or DSP. This technology realizes the real-time display of the collected data, and realizes the information sharing between PLC and PC. When system failure or error occurs, PLC can access the industrial data of user equipment through FPGA or DSP, and the user can access the industrial data of user equipment through FPGA. In addition, the data access software can be used to access the data of the user device during program execution through FPGA and DSP. After the program is executed, it can also access the industrial data of the user's device when the data needs to be reexamined. At present, such data access mode can be realized between PC and PLC. PC provides users with a more flexible and free access environment.

4, the control center can directly control other application software, expand the data function, improve the speed of data processing

PC control module is an embedded system control center, which consists of CPU, memory, display and so on. The automation control system is realized by PC, MCU and peripheral devices. Used to control all computers in the industrial field, including monitoring software, programs, industrial computers, etc. PC control module, not only can be in the industrial site for operation monitoring, but also can be in the industrial site for remote monitoring. PC control module, but also has the remote operation function, can be in the remote site of each equipment for remote data view and data maintenance!