Ladder Diagram

Ladder diagram may refer to:

  • Message Sequence Chart, in Unified Modeling Language (UML)
  • Ladder logic, a method of drawing electrical logic schematics. A ladder diagram represents a program in ladder logic.

Famous quotes containing the words ladder and/or diagram:

    “George Shears ... was hanged in a barn near the store. The rope was thrown over a beam, and he was asked to walk up a ladder to save the trouble of preparing a drop for him. “Gentlemen,” he said, “I am not used to this business. Shall I jump off or slide off?” He was told to jump.”
    —For the State of Montana, U.S. public relief program (1935-1943)

    ““God’s fire upon the wane,
    A diagram hung there instead,
    More women born than men.””
    —William Butler Yeats (1865–1939)