Mitsubishi Electric MELSEC FX3U Programming Manual page 826

Melsec fx series programmable logic controllers
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FX
/FX
/FX
Series Programmable Controllers
3G
3U
3UC
Programming Manual - Basic & Applied Instruction Edition
5. The following flows are allowed.
Flow B is alright. In flow A, however, note that an operation is paused at a point where parallel branches are
recombined.
A
6. It is not permitted to cross flows in SFC programs.
Change a flow on the left to a flow on the right. This change enables inverse conversion from a program on
the instruction word basis into an SFC program. (The flow on the left cannot be converted into an SFC
program.)
824
B
Change
Cross is not
allowed.
35 SFC Program and Step Ladder
35.1 SFC Program
B
A

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