Local device comments

Local device comments can be read if the comment file in which the local device comments are stored is written to the CPU module. More Details >>

Opening a Structured Text program in GX Developer

Install the latest version again. Check "Structured Text (ST) Language Programming Function" and install it. More Details >>

Editable range of Inline Structured Texts

Up to 2048 characters can be entered in the inline Structured Text box. The limit cannot be increased. Note that a line break is counted as 2 characters. More Details >>

Versions of LCPU compatible with LJ71E71-100

The L series CPU serial numbers with upper 5 digits of "14112" or later indicate compatibility with LJ71E71-100. More Details >>

How to increase file register capacity

In LCPU, file register capacity depends on CPU. The number of file register points cannot be increased. (A file register cannot be set on an SD memory card.)... 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 >>

Boot operation from the standard ROM

The boot operation from the standard ROM is not possible. The program memory of LCPU is a flash ROM. Thus, writing in the program memory achieves a ROM opera... More Details >>

Writing files in CSV format

Use SP.FWRITE instruction to save the data to an SD memory card in CSV format. More Details >>

QnA-compatible 3E frame command for built-in Ethernet port in LCPU

The built-in Ethernet port in the L series CPU is not compatible with a multiple-block batch read command (0406) of the MC protocol. Executable commands are ... More Details >>

When a message indicating that "the memory space is insufficient" appears during online change

This problem occurs because the consecutive free memory space for temporarily storing the program during online change is insufficient. In this case, perform... More Details >>