MiniPLC Function Blocks
Phone Connectable - Real Time Clock - Voice Warning - Networking

 

OR

Parallel connection of certain number of NO contacts, which is shown in the electrical line diagram as follows:

 

The symbol of NAND is shown as follows:

This function block is called as OR, because the status for at least one of inputs I1 or I2 or I3 is 1 (i.e. close), then output Q is 1.

 

     

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PLC Function Blocks

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