Earthing Concept (Block Diagrams)ΒΆ

Attention

:strong:PLC Damage due to missing Earthing

  • Ensure to earth the devices.
  • The earthing (switch cabinet earthing, PE) is supplied both by the mains connection (or 24 V supply voltage) and via DIN rail. The DIN rail must be connected to the earth before the device is subjected to any power. The earthing may be removed only if it is certain that no more power is being supplied to the control system.

Block Diagram: Digital I/O Modules

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Block Diagram: Analog I/O Modules

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