SYMBOL - SYMBOL LADDER CHART

1. Load / LD = Start at the normally open input
   
   
   
2.  Load Not / LD NOT = Start at normally close input
   

   
   
3. AND = connect two or more inputs in the form of normally open in series.
   
   
   
   
4. AND NOT = linking two or more input in the form of normally close
   
   
   
5.  OR = connect two or more input in the form of normally open in parallel.
   
   
   
6.  OR NOT = linking two or more input in the form of normally close in parallel.
   
   
   
7. OUTPUT / OUT = lit output.
   
   
   
8.  END = end the program
   
   

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