Mitsubishi Electric FX3G SERIES Programming Manual page 208

Programmable controllers

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Table of Contents

Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

When the nesting structure is adopted

When using MC instructions inside MC instruction, increase the nest level "N" in turn in the way "N0 → N1 → N2

→ N3 → N4 → N5 → N6 → N7".

For returning from the nesting structure, reset the nest levels from the highest one in turn using MCR instruction in

the way "N7 → N6 → N5 → N4 → N3 → N2 → N1 → N0".

For example, if "MCR N5" is programmed without programming "MCR N6" and "MCR N7", the nest level is

returned to 5 immediately.

Available nest levels are from N0 to N7 (eight layers).

Circuit program

The bus line B is active while X000 is ON.

The bus line C is active while both X000 and

X002 are ON.

The bus line D is active while all of X000,

X002 and X004 are ON.

The bus line returns to the status of the bus

line C by "MCR N2".

The bus line returns to the status of the bus

line B by "MCR N1".

Initial status

The bus line returns to the initial status of the

bus line A by "MCR N0". Accordingly, Y005

turns ON or OFF by turning ON or OFF of

X010 regardless of X000, X002 and X004.

7 Basic Instruction

Fx3u series Fx3uc series