Board view schematics manuals#
Many automotive and motorcycle repair manuals devote a significant number of pages to schematic diagrams.Get back to the sub FAST!! MBL.REPAIR The NEW VENDORLIST 3.0BETA POS & TICKETING SYSTEMS LIST OFFICIAL SUB INFO Basic Rules of MobileRepairġ. Schematic diagrams are used extensively in repair manuals to help users understand the interconnections of parts, and to provide graphical instruction to assist in dismantling and rebuilding mechanical assemblies. Each of these diagrams can be represented as an impedance diagram or as an admittance diagram. In this way, from the one-line diagram, three different per-phase schematic diagrams are obtained, known as sequence diagrams: positive sequence diagram, negative sequence diagram, and zero sequence diagram. If the power system is unbalanced, but it is linear (or can be approximated by a linear system), then Fortescue's theorem ( symmetrical components) can be applied. If all of the parameters are represented as admittances and current sources, the equivalent per-phase schematic diagram is called an admittance diagram. If all of the parameters are represented as impedances and voltage sources, the equivalent per-phase schematic diagram is called an impedance diagram. Another type of diagram used for power systems is a three-line diagram.įor analysis purposes of a power system, from the one-line diagram, if the system is balanced, an equivalent per-phase (or single-phase) schematic diagram can be obtained. Electrical diagrams for switchgear often have common device functions designate by standard function numbers. These diagrams simplify and compress the details that would be repeated on each phase of a three-phase system, showing only one element instead of three. In electric power systems design, a schematic drawing called a one-line diagram is frequently used to represent substations, distribution systems or even whole electrical power grids. Programmable logic controllers (PLC) can be programmed using ladder diagrams.
Board view schematics verification#
Usually they are integrated into the whole design flow and linked to other EDA tools for verification and simulation of the circuit under design. These tools go beyond simple drawing of devices and connections. Schematics for electronic circuits are prepared by designers using EDA ( electronic design automation) tools called schematic capture tools or schematic entry tools. For example, hardware description languages are indispensable for modern digital circuit design. More recently, with the progress of computer technology, other representations were introduced and specialized computer languages were developed, since with the explosive growth of the complexity of electronic circuits, traditional schematics are becoming less practical. In electronic design automation, until the 1980s schematics were virtually the only formal representation for circuits.
Board view schematics software#
Original schematics were done by hand, using standardized templates or pre-printed adhesive symbols, but today electronic design automation software (EDA or "electrical CAD") is often used. Schematic diagrams are often used for the maintenance and repair of electronic and electromechanical systems. In electrical and electronic industry, a schematic diagram is often used to describe the design of equipment. This may be contrasted with a wiring diagram, which preserves the spatial relationships between each of its components.
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In an electronic circuit diagram, the layout of the symbols may not look anything like the circuit as it appears in the physical world: instead of representing the way the circuit looks, the schematic aims to capture, on a more general level, the way it works. A schematic diagram of a chemical process uses symbols in place of detailed representations of the vessels, piping, valves, pumps, and other equipment that compose the system, thus emphasizing the functions of the individual elements and the interconnections among them and suppresses their physical details. The dot is not intended to resemble the actual station at all but aims to give the viewer information without unnecessary visual clutter. A schematic usually omits all details that are not relevant to the key information the schematic is intended to convey, and may include oversimplified elements in order to make this essential meaning easier to grasp.įor example, a subway map intended for passengers may represent a subway station with a dot. JSTOR ( October 2013) ( Learn how and when to remove this template message)Ī schematic, or schematic diagram, is a representation of the elements of a system using abstract, graphic symbols rather than realistic pictures.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources.
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