Matthew01

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Everything posted by Matthew01

  1. Ladder Logic

    Afternoon  All, I am a complete novice to PLC's and have been given a project to write a relay ladder logic program using logic functions such as; AND, NAND, OR, NOR, XOR, NOT for the following two systems, A traffic light system for a T-junction & An air conditioning system with both heating and cooling features. Please can someone help on this!! Matt.