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What is PLC interlocks

PLC Interlock Example

PLC Interlock Logic with First Input Priority

The PLC interlock logic is used to provide priority to the input first operated to avoid any damage to the equipment and machines.

Relay Permissive and interlock circuits

Basics of Permissive and Interlock Circuits

A practical application of switch and relay logic is in control systems where several process conditions have to be met

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