Index modification when using extended data register in LCPU

It is not possible to specify index modification to cross over the boundary between the internal user device (D) and the extended data register (D). Change t... More Details >>

END cover

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

Configuration of simple PLC communication function using LCPU

At least one L series CPU is necessary when using the simple PLC communication function. More Details >>

Number of tasks to be created

The number of tasks that can be created depends on free space of the work RAM. Execute the following command with shell to check the free space of the work R... More Details >>

Whether or not device indirect specifications in structured ladder programs are allowed

Indirect specifications with "＠" cannot be used in structured ladder programs and the Structured Text. Use indirect specifications in a ladder language program. More Details >>

Update timing of QD75 current feed value and machine feed value

The values are updated at the timing described below.- Current feed value: 1.8 ms- Machine feed value: 56.8 ms More Details >>

Battery-less operation

Uncheck "Check battery", an item of "Error Check", in the [PLC RAS setting] ([PLC Parameter] -> [PLC RAS setting]). More Details >>

Execution in a multi task environment

The QBF_Open ( ) function or mdOpen ( ) function is required for every task. Do not share the PATH acquired using an Open function with other tasks.Also, exe... More Details >>

How to change the type of statement in GX Developer

Select [Search/Replace] -> [Replace statement/note type] from the menu and select "Change in PLC". More Details >>