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Mnemonic Code
❖ Ladder Diagram cannot be read by the Programming Console.
❖ Therefore the Ladder Diagram should be converted to mnemonic code.
❖ The mnemonic code provides the same information as the Ladder
❖ Figure and can be typed directly on the Programming Console.
Sequential Function Chart
❖ Graphic language type.
❖ Its elements consist of steps, transitions, options and parallel branches.
❖ Each step indicates the status of the active or inactivecontrol program
process.
❖ One step contains actions based on transitions.
❖ The action, on the other hand, contains its ownsequential structure.
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