With the development of information technology, the size of the data room also continues to expand, invest more money, adding more equipment, modern data center covered the entire floor, occupy different buildings in the same city, or even distribution the world is no longer the fresh thing, along with that data center equipment-intensive, data center area of some problems ensued. For example, in the remote operation of servers, routers, switches and other data equipment due to run longer time, or because of misuse and attacks suffered accidents, may cause system downtime. In general, these phenomena can only be solved by restarting them . Network power is added between the power supply and data devices in the data room to facilitate maintenance personnel to remotely control network power through management software to power off and restart the data devices. The main control chip is chosen: This scheme adopts W7100A as the main control chip of the power control device. MCU+Hardware TCP/IP+MAC+PHY Single Chip, Ethernet Running Stable High-speed 8051 core, general-purpose programming, rich routines, substantial reduction in programming development work With development kits and related materials to facilitate developer layout and rapid software development With technical support, faster problem solving. Embedded 1T high-speed 8051 core, code is fully compatible with the standard 8051 64K program flash, 256 bytes data flash 64K SRAM, 2KB BOOT ROM, 256B data FLASH, built-in 64KB SRAM Built-in PLL phase-locked loop (11.0592 MHz external clock), system clocked at 88MHz Interrupt Controller with 2 Interrupt Priority Levels / 4 External Interrupt Sources / 1 WatchDog Interrupt, WatchDog Timer Programmable Four 8-bit IO ports 3 timers/counters 1 full-duplex UART Compatible with DoCD debug line Hardware TCP/IP protocol, embedded MAC and PHY support 8 independent hardware Sockets, mixed software stack 32KB TCP/IP data cache Adaptive Full/Half Duplex, 10/100-based TX Ethernet This system is divided into two parts: central control software and power control equipment. On the computer of the central control software installation and equipment maintenance personnel, the status of the power switch of the remote device can be checked in real time. It manages and can set the remote device to restart regularly to ensure the working status during normal work. The power control equipment is installed in the data machine room and other environments and communicates with the remote control center to report the power switch status of the equipment. The power control commands issued by the control center can be used to group and manage the devices without affecting the normal devices. The control software should have two parts: parameter setting and control instructions. Parameter settings include: device IP, connection mode (TCP/UDP), connection port, and other information. Control instructions include: status query, on/off, timing on/off instructions. The power control equipment includes three parts of the interface of access power, network connection and control power output. The access to the power supply is for the local mains power supply, which supplies the power of the local equipment and is connected to the output via a relay. The network connection part communicates with the remote control center. The control power output section is connected to the data device for power management.
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Design of Network Power Control Equipment Based on W7100A
Application background: