How to write to file registers in Q series

Specify the file in the Write to PLC window and execute writing. More Details >>

The numbers of POUs and steps of "Allocate Memory for 'Online Change'" in GX Works2

The maximum number of steps that an online change can process at a time is 512. More Details >>

Local devices

Local devices are devices which can be independently used for each program.When multiple independent programs are executed, using local devices allows progra... More Details >>

How to turn OFF the "COM.ERR" LED of the Ethernet module

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in the standby system in Transfer Setup.... More Details >>

FL-net interface module setting

The auto refresh setting is not required. However, making the setting can reduce communication programs. More Details >>

Creating comments both in English and in Japanese

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

Corrective action when the program size exceeds the capacity

If comments and symbolic information are stored in the program memory, write them in the standard ROM. 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 >>

Reading and writing bits/words using the FL-net (OPCN-2) interface module

The parameters and auto refresh settings for the FL-net (OPCN-2) interface module cannot be made using the Network Parameter items in GX Developer.Set those ... More Details >>

GX Works2 installation procedure from the iQ Works disk

Use setup.exe in iQ Works Disk 2 (appears directly under the disk folder), to install the application.For the individual installation procedure from the iQ W... More Details >>