GX Developer's compatibility with 32-bit Windows 7

GX Developer Version 8.91V or later supports 32-bit Windows 7. More Details >>

How to change programs in the standard ROM

After performing online change to the program memory, export the program memory data to ROM format when the CPU can be stopped or before turning off the powe... More Details >>

Unable to communicate via USB connection

Check the following points.(1) Transfer Setup is properly configured.(2) The USB driver is properly recognized. More Details >>

How to set a value in SM414(2n second clock)

Set a value in the special register SD414.Use a MOV instruction to set the value in SD414. More Details >>

Intelligent function module settings in GX Works2

Modules do not need setting in GX Works2 if not selectable from "Module Selection" in the "New Module" window for intelligent function module settings. More Details >>

Cause of file register reset by latch clear operation in universal model QCPU

If Latch (1) is set in the device setting of PLC parameter, the contents of file registers are cleared by latch clear operation. Set Latch (2) to maintain t... More Details >>

Creating comments both in English and in Japanese

Create global device comments and local device comments in respective languages.The device comments can be switched in [Options] -> [Tool]. More Details >>

Writing comments to the standard ROM in Q series

To write in the standard ROM, select [Online] -> [Write to PLC] (Flash ROM) More Details >>

Opening a project in an old version of GX Developer

Products earlier than version 8.58L do not support a project in which the following parameters are set. All the parameters are set to their default values be... More Details >>

Fixed buffer data area

The fixed buffer data areas in the buffer memory are used for communication for FROM/TO instructions. The areas used in communication for FROM/TO instruction... More Details >>