Mitsubishi Electronics FR-A700, 700 Series specifications Logic symbolic language List mode

Programming Languages

3.4.2Logic symbolic language (List mode)

The logic symbolic language uses dedicated instructions for programming contacts, coils, etc. instead of their symbols used by the relay symbolic language.

(1)Program operation method

Sequence program operation is executed from an instruction at step 0 to an END instruction in due order. When the END instruction is executed, operation is executed from the instruction at step 0 again.

Logic symbolic language Relay symbolic language

Step number

Operation sequence

	1)	2)	7)	8)	9)
					10)
1)	3)	4)
2)			5)
3)	6)
4)
5)
6)					11)
7)
8)

9)

10)

11)

Execution returns to step 0

when END instruction is executed.

Fig 3.4 Operation Processing Sequence

SEQUENCE PROGRAMMING

3

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