Mitsubishi FX3G Series Programming Manual page 390

Programmable controllers

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Table of Contents

Programming Manual - Basic & Applied Instruction Edition

5. Program example

Circuit diagram

In the sequence circuit shown below, all areas except shaded areas are standard.

Program the shaded areas according to the contents of control.

a) Initial circuit

While the machine is operating, the operation mode can be switched arbitrarily (among stepping operation,

cycle operation and continuous operation) in the automatic mode.

When the operation mode is switched between the individual operation mode, zero return operation mode and

automatic mode while the machine is operating, all outputs are reset once to assure safety, after which the

following mode becomes valid.

(While M8045 (All output reset disable) is ON, outputs are not reset at all.)

Ladder block

b) Individual operation mode

Programming is not required when the individual operation mode is not provided.

Initial state

for individual

Detects that the machine is located at the zero point, and

regards it as the condition to start the automatic mode.

State number

Clamping command

command Y000

command Y002

Leftward travel

Rightward travel

Zero point condition

Initial state

14 Handy Instruction – FNC 60 to FNC 69

14.1 FNC 60 – IST / Initial State

Fx3u series Fx3gc series Fx3uc series