A wiring diagram is a streamlined traditional photographic depiction of an electric circuit. Industrial control wiring guide second edition bob mercer oxford auckland boston johannesburg melbourne new delhi.
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These diagrams show the actual location of parts color of wires and how they are connected.
Industrial wiring diagram. Body ground by1. Wire to wire connector by1. This system serves hotels shopping centers etc.
This type of diagram is like taking a photograph of the parts and wires all connected up. Recognize wiring diagram symbols. Dashed lines indicate a single purchased component.
Many people can read and understand schematics known as label or line diagrams. 4 thoughts on how to read industrial control system wiring diagrams marshall june 1 2011 at 4 01 am first of all most modern north american and for eu based equipment iec 61346 the standard to read up on. Variety of industrial control transformer wiring diagram.
This is the wire number of the wire that connects the switch to the relay and it should be labeled as such on each end of the wire and in any junctions that connects it. The toyota wiring diagram symbol below indicates a. Wiring diagrams help technicians to see how the controls are wired to the system.
To read a wiring diagram first you have to know what fundamental elements are included in a wiring diagram and which pictorial symbols are used to represent them. An example of a wiring diagram for a motor controller is shown in figure 1. Figure 4 an industrial control cabinet with wire runs terminal strip buttons on plc panel front etc.
Figure 7 shows the system used for large industrial plants where most of the load consists of motors. Newnes an imprint of butterworth heinemann linacre house jordan hill oxford ox2 8dp 225 wildwood avenue woburn ma 01801 2041 a division of reed educational and professional publishing ltd. Personally i find both systems have there pros and cons.
Next you see a label 3011. Terminals designed to be fitted together and used in matching pairs are designated as. Figure 6 is a diagram for a 480 276 volt three phase four wire system.
Note that symbols are discussed in detail later. The switch would be labeled 301sw1 in the field. That way when someone looks at the switch they know exactly where to find it in the wiring diagram.
It shows the components of the circuit as streamlined forms and the power and signal connections in between the devices. Transformers are used to get 120 volt single phase circuits. The common elements in a wiring diagram are ground power supply wire and connection output devices switches resistors logic gate lights etc.
It is a 480 volt delta three phase system.
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