Mitsubishi Electric FX3G SERIES Programming Manual page 771

Programmable controllers

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Table of Contents

Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

Composite flows with branches and recombination

The single flow format is the fundamental style in process transfer control. Only single flow is sufficient in sequence

control for simple operations.

complicated conditions can be easily handled by using selective branches and parallel branches.

A branch for selectively processing many processes depending on a condition is called selective branch. A branch for

processing many processes at the same time is called parallel branch.

1. Selective branch

Either one among many flows is selected and executed.

2. Parallel branch

All of many flows are executed at the same time.

When various input conditions and operator manipulations intervene, however,

Branch state

Recombination

Branch state

Recombination

35 SFC Program and Step Ladder

35.1 SFC Program

Fx3u series Fx3uc series