Logic_Symbols by mohamedssakr

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									Logic Symbols, Truth Tables,
 and Equivalent Ladder/PLC
       Logic Diagrams



             From
   Industrial Text and Video
               Co.
    the leader in Electrical,
   Motor Control and PLCs
   Video Training Programs
                                                Logic Symbols, Truth Tables,
                                   and Equivalent Ladder/PLC Logic Diagrams



    EQUIVALENT LADDER /LOGIC DIAGRAMS


          Logic Diagram            Truth Table               Ladder Diagram



                               A        B        C
      A                                                        A      B        C
                          C    0        0        0
      B                        0        1        0
                               1        0        0
                               1        1        1
              AND                                                 AND
              Gate                                          Equivalent Circuit

                                                                      A        C
                               A        B        C
      A                        0        0        0
                          C    0        1        1                    B
      B                        1        0        1
                               1        1        1
               OR                                                  OR
              Gate                                          Equivalent Circuit

                                                               A     B         C
                               A        B        C
      A                        0        0        0
                          C
                               0        1        1             A     B
      B                        1        0        1
                               1        1        0
          Exclusive-OR                                        Exclusive-OR
              Gate                                          Equivalent Circuit

                                                                     A         C
                               A        B        C
      A                        0        0        1
                          C
                               0        1        1                   B
      B
                               1        0        1
                               1        1        0
             NAND                                                NAND
             Gate                                           Equivalent Circuit



                               A        B        C
      A                                                        A      B        C
                               0        0        1
                          C
                               0        1        0
      B
                               1        0        0
                               1        1        0
              NOR                                                 NOR
              Gate                                          Equivalent Circuit




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