Index modifier of bit devices in the FX3G series

The FX3G series does not support the index modifier for the bit devices. The FX3U/FX3UC series supports this function. More Details >>

Dragging and dropping function blocks in a structured project

Function blocks can be dragged and dropped into the program main body of the program block, and become available in the program. More Details >>

Limit on the display of data collected in GX LogViewer to 32 values

GX LogViewer is made to a specification that allows a single trend window to display a maximum of 32 graphs. When there are more than 32 logging data values,... More Details >>

MX Component Version 4's compatibility with the L series CPU

MX Component Version 4 supports the L series CPU. 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 >>

Statements of GX Works2 and the scan time

The input method for statements, either "PLC" or "Peripheral", makes a difference. - If "PLC" is set for statements, they are written into the program mem... More Details >>

Communication format setting

The communication format can be set in the communication setting of a sequence program or "PLC Parameter setting" using GX Developer. To avoid setting troub... More Details >>

Assignment of input/output numbers (MELSEC-F series)

Octal numbers are assigned as input/output numbers for the MELSEC-F series. The octal number system uses the digits from 0 to 7 → from 10 to 17 → from 20 to... More Details >>

I cannot open a project file of PX Developer.

When the total number of characters in the drive/path and project name exceeds 149 one-byte characters (74 two-byte characters), the message "The drive path ... More Details >>

Multiplication in the Structured Text

Basic arithmetic operations cannot be performed on unsigned words. Please assign the multiplier to a signed (single/double) word. More Details >>