Model name of MX Works

The model name of Japanese version is SW[ ]D5C-SHEETSET-J and that of English version is SW[ ]D5C-SHEETSET-E. More Details >>

Versions of the QJ71C24N modules compatible with QnUDVCPU

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

QCPU built-in Ethernet port setting when using the simple PLC communication function

The following settings are required for the "Open Setting" for the number of connected external devices. - Protocol: "UDP" - Open System: "MELSOFT connecti... 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 >>

How to read comments in the standard ROM with GX Works2

Select [Target Memory] -> [Standard ROM] in the Read from PLC window. More Details >>

How to check automatically assigned devices in GX Works2

Click the local label to be checked and select "Cross Reference" from the right-click menu to check the devices. More Details >>

Number of points used for I/O assignment of LCPU built-in I/O function

X00 to X0F and Y00 to Y07 are sorted for each function. For more details, refer to "MELSEC-L CPU Module User's Manual (Built-In I/O Function)". More Details >>

Operation during power failure

It stops during execution. More Details >>

SNTP communication error in built-in Ethernet port LCPU

The error does not affect the CPU time. The CPU time is not set when a communication error occurs. More Details >>

END cover

An error occurs and CPU will stop. Install the END cover and reset the CPU module. More Details >>