![]() It is the most common type of electrical drawing and are mostly used in implementing electrical circuits by technician. One can easily troubleshoot certain schematic by applying electronic circuit theory. It helps in showing the series and parallel connection between the components and the exact terminal connection between them. Unlike wiring diagram, it does not specify the real location of the components, the line between the components does not represent real distance between them. The schematic diagram of an electrical circuit shows the complete electrical connections between components using their symbols and lines. Related Post: Types of Fire Alarm Systems and Their Wiring Diagrams.Each block is a complicated circuit that can be explained using other drawing techniques described below. The block diagram provides an idea how the process is done by not delving too deep into the electrical terms but it is not enough to implement a circuit. It is quite a complicated process but this diagram simplifies the process into blocks for better understanding. This block diagram shows a 3 phase AC power supply conversion into a DC which is again converted into a controlled AC supply. ![]() Practically, the FM transmitter does not look like this, because the block diagram omits the individual components. Each block process the signal and pass it to the next one. It is pretty simple and easy to understand. This diagram shows the process of converting an audio signal into frequency modulated signal. The following two examples of block diagram show an FM transmitter and a variable frequency driver VFD. This is why electricians do not rely on block diagram. It only represents the main components of the system and ignores any small components. It lacks the information about the wiring and placement of individual components. It is the simplest form of electrical drawing as it only highlights the function of each component and provides the flow of process in the system.īlock diagram are easier to design and is the first stage in designing a complex circuit for any project. Single Line Diagram or One-line DiagramĪ block diagram is a type of electrical drawing that represents the principle components of a complex system in the form of blocks interconnected by lines that represent their relation. ![]()
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