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Sequence control method – Yaskawa YASNAC PC NC PLC Programming Manual User Manual

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YASNAC PCNC PLC Programming Manual Chapter 4: Sequence Control Method

4

Sequence Control Method

Chapter 4 describes the sequence control method

4.1

Differences in Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

4.1.1

Relay Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

4.1.2

PLC Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

4.2

Operation of Sequence Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

4.2.1

Sequence Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

4.2.2

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

4.3

Sequence Program Memory Capacity and Memory Configuration . . . . . . . . . . . .4-6