Logical controllers' programming 2- Programming To program means to order with clarity a group of instructions that step by step they execute operations..

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Presentation transcript:

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

Logical controllers' programming LOAD - LD Basic instructions It begins a line or logical block with open contact.

Logical controllers' programming 2.1- Basic instructions LOAD NOT -LD NOT- It begins a line or logical block with closed contact.

Logical controllers' programming 2.1- Basic instructions AND -AND- It accomplishes one AND logical with the specified operator.

Logical controllers' programming 2.1- Basic instructions AND NOT -AND NOT- It accomplishes one AND logical with the inverse state of the specified bit.

Logical controllers' programming 2.1- Basic instructions OR -OR- It accomplishes a OR logical with the specified bit.

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

Logical controllers' programming 2.1- Basic instructions OUT -OUT- It makes the exit for the specified bit.

Logical controllers' programming 2.1- Basic instructions OUT NOT -OUT NOT- It makes the inverse of the exit of the specified bit.

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.

Logical controllers' programming Introduction of simple programs Example 1 Ladder Diagram Statement List 2.2- Simple Diagrams

Logical controllers' programming 2.2- Simple diagrams Introduction of simple programs Example 2 Ladder Diagram Statement List

Logical controllers' programming 2.2- Simple diagrams Introduction of simple programs Example 3 Ladder Diagram Statement List

Logical controllers' programming AND LOAD It accomplishes one AND logical among 2 blocks. Ladder Diagram Statement List 2.3- Complex Diagrams

Logical controllers' programming 2.3- Complex diagrams OR LOAD It accomplishes a OR logical among 2 blocks. Ladder Diagram Statement List

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