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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
35 SFC Program and Step Ladder
35.1 SFC Program
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.
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.)
A B
B A
Cross is not
allowed.
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