eBook: Automating Manufacturing Systems; with PLCs
   



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30.6 SUMMARY


Electrical schematics used to layout and wire controls cabinets.
JIC wiring symbols can be used to describe electrical components.
Grounding and shielding can keep a system safe and running reliably.
Failsafe designs ensure that a controller will cause minimal damage in the event of a failure.
PLC enclosure are selected to protect a PLC from its environment.
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