Mitsubishi Electronics 700 Series, FR-A700 specifications Operation Processing Sequence

Programming Languages

(2)Sequence program operation method

Sequence program operation repeats execution from a ladder block at step 0 to an END instruction.

In a single ladder block, operation is performed from the left hand side vertical bus to the right, and from the top to the bottom.

Beginning of one ladder block

Operation from top to bottom

Operation from left to right

					10)	End of one
1)	2)	7)	8)	9)
						ladder block
3)	4)	5)
6)

Execution returns to step 0 when

END instruction is executed.

Beginning of one ladder block

Operation from top to bottom

	11)	13)	14) Operation from left to right 15)
12)			16)
			17)	End of one
	END			ladder block

* 1) to 17) indicate the sequence of program operation.

Fig 3.3 Operation Processing Sequence

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