Checking the amount of free space of the memory in GX Developer/GX Works2

Select [Tool] -> [Confirm Memory Size] to check the amount. More Details >>

Setting online change in GX Works2

Select [Compile] -> [Online Program Change] from the menu, and execute online change. 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 use M8029

M8029 (Instruction execution complete flag) is shared with multiple instructions. To obtain an execution completion result of a specific instruction, insert... More Details >>

HPR request flag

It depends on the setting of servo parameter "[PA03] Absolute position detection system" whether the HPR request flag ("[Md.31] Status": b3) turns ON or not.... More Details >>

Remedies for WDT errors on a MELSECNET/H board

The error code indicates a WDT (watchdog timer) error. It is determined as the cause that the MELSECNET/H driver cannot work due to a computer or OS hang, or... More Details >>

Changing the display language of device comments with GX Works3

In the multiple comments display setting, you can set a comment title of the device comments to be set. <Displaying the multiple comments display setti... More Details >>

Difference between R and ZR

File registers "R" use the block switching method. The number of file register points used are divided and specified in units of 32k points. When multiple ... More Details >>

Simple PLC communication function

This function allows data communications between specified devices at the specified timing, using the built-in Ethernet. Device data such as production data ... More Details >>

Error in simulation in GX Works2

This problem can be workarounded by upgrading software products made by other companies to the latest version or uninstalling them.For more details, refer to... More Details >>