Mitsubishi Electric FX3G SERIES Programming Manual page 650

Programmable controllers

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Table of Contents

Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

• Subtract "1" from the value of the pointer data

Related device

Related instructions

SFWR(FNC 38)

SFRD(FNC 39)

• When this instruction is programmed in the continuous operation type, the instruction is executed in every operation

cycle. As a result, an expected operation may not be achieved.

Usually, program this instruction in the "pulse operation type", or let this instruction be executed by a "pulsed

command contact".

• When the current value of the pointer

Check in advance using a comparison instruction whether the current value of

and then execute this instruction.

• When the current value of the pointer

An operation error is caused in the following cases; The error flag M8067 turns ON, and the error code is stored in

No data area

Turns ON when the instruction is executed while the pointer

Shift write [for FIFO/FILO control]

Shift read [for FIFO control]

is larger than "n-1" (error code: K6706)

is smaller than "0" (error code: K6706)

27.3 FNC212 – POP / Shift Last Data Read [FILO Control]

→ For the zero flag use method, refer to Subsection 6.5.2.

is "0", the zero flag M8020 turns ON and the instruction is not

is "1", "0" is written to

27 Data Operation 3 – FNC210 to FNC219

In the case of K4

satisfies "1 ≤

and the zero flag M8020 turns ON.

Fx3u series Fx3uc series