Wiring diagrams
Wiring diagrams show the connections to the controller. Wiring diagrams, sometimes called “main” or “construction” diagrams, show the actual connection points for the wires to the components and terminals of the controller.
They show the relative location of the components. They can be used as a guide when wiring the controller. Figure 1 is a typical wiring diagram for a three-phase magnetic motor starter.
Line diagrams show circuits of the operation of the controller
Line diagrams, also called “schematic” or “elementary” diagrams, show the circuits which form the basic operation of the controller. They do not indicate the physical relationships of the various components in the controller. They are an ideal means for troubleshooting a circuit.
Figure 2 shows a typical line or schematic diagram.
Standardized symbols make diagrams easier to read
Both line and wiring diagrams are a language of pictures. It is not difficult to learn the basic symbols. Once you do, you are able to read diagrams quickly, and can often understand a circuit at a glance. The more you work with both line and wiring diagrams, the better you will become in analyzing them.
Because of these standards, you will be able to read all diagrams that come across your workbench.
| Title: | Basic Wiring for Motor Contol – Technical Data // EATON |
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| Size: | 946 KB |
| Pages: | 14 |
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Knowledge of basic single- and three phase electrical systems including basic AC and DC motor control and safety measures on electrical equipment.
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Should have a fuse on control circuit and possibly show a transformer for control circuit in which more often than not one is used
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I’ve known the control but the question is how do you actually connect the 3 wires coming from overload relayinto the connection box of the motor if it has 3 leads or 6 leads?
Thanks..
Depending on your motors application (low or high voltage).
In a 480vac application you’d wire the wires inside of the box 4-7 5-8 6-9… The 3 phases coming into the box from your overload would pair with wires 1,2,3 inside of the box.
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