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Essential details : WES5302-1 50 Power module distributed control system GE BUS, English called “bus”, that is, our Chinese“bus”, this is a very graphic metaphor. The bus route is certain and any of us can take the bus to any stop on the bus route. If we are an electronic signal, that’s why we call it“BUS” instead of“CAR.” Of course, from the professional point of view, the bus is a kind of description of electronic signal transmission line structure form, is i collection of signal lines, is a common channel between subsystems to transmit information. Through the bus can make the whole system between the components of the information transmission, exchange, sharing and logic control and other functions. For example, in the computer system, it is the CPU, memory, input and output devices to transmit information public channel, each part C the host is connected through the host, the external device through the corresponding interface circuit and then connected to the bus With the development of modern network information, especially in terms of cost and space, bus transmission instead of point-to- point transmission is a hot topic in the current development. lts appearance will provide the most convenient and effective technical solutions for information transmission.(https://www.weikunfadacai1.com/)
The reason for the unbalanced distribution of electrons is that the electrons break away from the orbit due to external forces, which include various energies (such as kinetic energy, potential energy, thermal energy, Chemical energy, etc.) In daily life, any two objects of different materials contact and then separate, which can generate static electricity. When two different objects contact each other, one object will lose some charge, such as Electron
Basic components of the system bus:
Data bus, which transmits data information.
Address bus, which transmits address information.
Control bus, transfer control information (complete bus operation function).
Power cable. Provides power signals for the system.
First, the bus function
Data transmission function
The data transfer function is the basic function of the bus and is expressed in terms of the bus transfer rate, that is, the number of
bytes transferred per second, in Mbps(megabytes per second).
Multidevice support
If multiple devices use a bus, the first problem is the ownership of the bus. Which master device applies to occupy the bus is
determined by the bus arbitrator.
Middle break
Interrupts are the mechanism by which computers respond to urgent transactions. When a service agreement is made between the
external device and the master device, the interrupt is the contact signal to realize the service agreement.
Error handling
Error handling includes detecting and handling errors such as parity check errors, system errors, and battery failures, and providing
corresponding protection measures.
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