A schematic diagram refers to a specific sort of circuit diagram which utilizes standard electrical/electronic symbols instead of images to demonstrate how a circuit (or a portion of it) functions. Below is a typical 3-wire motor control circuit utilizing a typical momentary stop - start pushbutton station employing a schematic diagram. (Momentary here means that the button/switch you activate will go back to its default location once you let go of this, usually by a spring that compels the button/switch to do this.)
Here's another schematic diagram showing the same circuit, components and connections and it seems different but they both fall into exactly the identical category.
Right, much less mess? I have enough information in each one of these diagrams to know exactly what this circuit does and also where to search for problems. Hope this helps. ( Note: don't confuse lecture or circuit diagrams together with wiring diagrams; wiring diagrams will typically show images of elements such as the pictorial, and also how the entire or part of a circuit has been wired. The distinction is that wiring diagrams generally place an emphasis on actual physical location of necessary components relative to each individual that essentially tell a layman exactly what to do about the wiring. )
Following is a technical version of a schematic diagram. The most important aim of this diagram will be to demonstrate the logic (speaking to electric management ) of a circuit. This really is the one that I mostly encounter in my line of work, and it's extremely successful for troubleshooting problems or learning how a circuit works. Some frequencies are so huge that many kinds of schematic diagrams have to be read in increments in book form (typically with coded numbers so that info can be simpler found). Again, here's the identical specific circuit as the first two weeks, however, considering it in ladder form.
Pictorial schematic diagrams, or graphic circuit diagrams are basically the exact same thing with exactly the exact identical purpose, however they use pictures of elements inside the circuit rather than symbols. Again, here's the identical specific circuit (virtually except a control transformer was inserted and they are using conductors L1 and L3 rather than L1 and L2.
Consider it this way; a circuit diagram is any type of diagram which illustrates how a circuit functions where the main goal is that the proper wiring of components and their relationship to each other rather than physical place relative to one another or planning prototypes. Nevertheless, in some applications Assessing diagrams can be hard so choose this as overall information. I have discovered this is especially true when dealing with much more complex circuits and electronic equipment. I'm likely to work with a simpler but average industrial circuit since these circuit setups are the exact same, but where it is possible to observe how each type of diagram indicates the use of the circuit in their own manners.