Operation error at the execution of a...

Keep SM722 ON or correct the program so that any one of the ten numbers 0 to 9 is stored in each digit of the source data.An operation error occurs when data... More Details >>

Versions of the QJ71C24N modules comp...

The QJ71C24N series modules with serial numbers with upper 5 digits of "10042" or later indicate compatibility with QnUDVCPU. More Details >>

The VxWorks simulator CW-SIM

CW-SIM is a simulation software that allows a VxWorks program to be executed on a personal computer without a C Controller module. There are two types of CW... More Details >>

COMMENT to disappear after a PLC type...

Copy the COMMENT into the MAIN of comments by program before changing the PLC type.The basic model QCPU cannot deal with common comments. More Details >>

Counting operation of QD62

The corresponding operation depends on the counter type selected. (1) If "Linear Counter" is selected If the present counter value exceeds the upper limi... More Details >>

Cables for CPU modules

The following Diatrend cable can be used.- DQ-U2 More Details >>

USB cable type for CPU modules

It is type B. More Details >>

Settings of the built-in Ethernet por...

Make settings of the built-in Ethernet port in the [Built-in Ethernet Port Setting] tab of the PLC parameter in GX Works2 or GX Developer. More Details >>

Reading file registers simultaneously...

No. Switch the target memory for PLC Data and read the file registers alone. More Details >>

How to clear errors

Follow the procedure below.(1)Eliminate the error cause.(2) Store the error code to be cleared in SD50.(3)Turn OFF and ON SM50.(4) The error is cleared. More Details >>