How to check the error history of the QJ71C24N with GX Developer

You can check the error history in the module detailed information in the system monitor of GX Developer. More Details >>

Cascade connections between hubs in the CC-Link IE Field Network

UP to 20 levels of cascade connections can be made. More Details >>

Unit of the receive data length used by the QJ71C24N series pre-defined protocol support function

The receive data length of the variable is specified in bytes. More Details >>

Links with a CC-Link local station cannot be made

Check the following points. (1) CC-Link cables have been properly connected. (2) Station numbers and the transmission speed have been correctly set. (3)... More Details >>

CC-Link signals checked when an error occurs

Check the following signals.- Module error signal : X0- Host data link status signal: X1- Other station data link status signal: X3 More Details >>

Using a FROM/TO instruction after AJ71UC24 is replaced with QJ71C24N

I/O signals and buffer memory addresses need to be changed but data communications can be conducted using a FROM/TO instruction and X/Y signals. More Details >>

Read and write operations for CC-Link buffer memory

There is no problem in writing/reading data into/from the buffer memory using a FROM/TO instruction with the refresh device setting left blank.The refresh de... More Details >>

Setting for sequentially inputting device comments in GX Works2

Select [Tool]-> [Options]-> [Program Editor] -> [Ladder/SFC] -> [Enter ladder] from the menu, and set [Enter label comment and device comment]... More Details >>

Index modification in function blocks

Index modification cannot be used for labels. To set index modification, use actual devices as the target devices. More Details >>

Displaying the next page in the Print Preview window

It is only possible to preview the first page to verify the print size and form. More Details >>