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Published byLouisa Morton Modified over 9 years ago
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Logical controllers' programming 2- Programming To program means to order with clarity a group of instructions that step by step they execute operations.. That group will have to be a send to the controller in a language structured by form to be interpreted by the Central Unit without ambiguities. Everything it should pass as if we taught to a human being the acting of the same tasks. 2-Introduction to the programming
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Logical controllers' programming LOAD - LD- 2.1- Basic instructions It begins a line or logical block with open contact.
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Logical controllers' programming 2.1- Basic instructions LOAD NOT -LD NOT- It begins a line or logical block with closed contact.
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Logical controllers' programming 2.1- Basic instructions AND -AND- It accomplishes one AND logical with the specified operator.
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Logical controllers' programming 2.1- Basic instructions AND NOT -AND NOT- It accomplishes one AND logical with the inverse state of the specified bit.
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Logical controllers' programming 2.1- Basic instructions OR -OR- It accomplishes a OR logical with the specified bit.
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Logical controllers' programming 2.1- Basic instructions OR NOT - OR NOT – It accomplishes a OR logical with the inverse of the state of the specified bit
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Logical controllers' programming 2.1- Basic instructions OUT -OUT- It makes the exit for the specified bit.
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Logical controllers' programming 2.1- Basic instructions OUT NOT -OUT NOT- It makes the inverse of the exit of the specified bit.
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Logical controllers' programming 2.1- Basic instructions END -FUN (01)- It is obligatory the use of this instruction in the end of the program. It is Without this instruction the program it will never be executed.
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Logical controllers' programming Introduction of simple programs Example 1 Ladder Diagram Statement List 2.2- Simple Diagrams
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Logical controllers' programming 2.2- Simple diagrams Introduction of simple programs Example 2 Ladder Diagram Statement List
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Logical controllers' programming 2.2- Simple diagrams Introduction of simple programs Example 3 Ladder Diagram Statement List
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Logical controllers' programming AND LOAD It accomplishes one AND logical among 2 blocks. Ladder Diagram Statement List 2.3- Complex Diagrams
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Logical controllers' programming 2.3- Complex diagrams OR LOAD It accomplishes a OR logical among 2 blocks. Ladder Diagram Statement List
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Logical controllers' programming It retains the logical information (0 ou 1), during the treatment of the mesh where he was generated. Ladder Diagram Statement List 2.4- Temporary memory
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