question archive 1) Why are NEMA symbols such as pushbuttons, float switches, and limit switches not used in programmable logic controller schematics? 2) How are such components as coils and contacts identified and distinguished from others in a PLC schematic?

1) Why are NEMA symbols such as pushbuttons, float switches, and limit switches not used in programmable logic controller schematics? 2) How are such components as coils and contacts identified and distinguished from others in a PLC schematic?

Subject:Electrical EngineeringPrice: Bought3

1) Why are NEMA symbols such as pushbuttons, float switches, and limit switches not used in programmable logic controller schematics?

2) How are such components as coils and contacts identified and distinguished from others in a PLC schematic?

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