Справочник Пользователя для Mitsubishi Electronics FX3S-30MT/ESS-2AD

Series Programmable Controllers

User's Manual - Hardware Edition

Introduc

tion

Features an

Par
t N

Produc

Introducti

ific

atio

rsi

on and

Peri
pheral

vice

stem

Confi

gurati

alla

tio

Prep

ara

tion and

Pow

er Supply

ring

Input W

iri

-S

peed

Counters

5 Version Information and Peripheral Equipment Connectability

5.2 Programming Tool Applicability

5.2.5

Cautions on write during RUN

Write during RUN (program changes during RUN) is available in the FX

PLC when GX Works2 is used.

However, list programs and SFC programs cannot be written during RUN.
When programming software not supporting the FX

PLC is used, write during RUN is available within the

function range available in both the FX

PLC and the PLC selected as the alternative model.

Refer to the manual of the used programming software for the operations

for and cautions on write during RUN.

Cautions on write during RUN

*1.

Circuit blocks cannot be edited to insert a label as shown below when written during RUN.

Item

Caution

Program memories which can be written in
RUN mode

Built-in EEPROM and optional memory cassette (whose write protect switch is set to
OFF)

Number of program steps which can be written
for circuit change in RUN mode

256 steps or less after edition (addition/deletion)
(including NOP immediately after circuit blocks except final circuit)

Circuit blocks which cannot be written in RUN
mode

Circuit blocks

in which labels P and I are added, deleted or changed in edited circuits

Circuit blocks in which 1 ms timers (T63 to T131) are added in edited circuits

Circuit blocks in which the following instructions are included in edited circuits
•

Instruction to output high-speed counters C235 to C255 (OUT instruction)

Added, deleted, or changed

Step 0

I001

Pointer for
interrupt

Label I is inserted by editing the circuit block

FNC 04

FNC 06

FEND

FNC 03

IRET

END