Change timing of the status of A/D conversion module's I/O signals

(1)If the A/D conversion enable signal is kept ON, conversion processing is kept performed. Once conversion processing is successfully performed, A/D conve... More Details >>

How to read the device memory in GX Works2

Select [Online] -> [Read from PLC] from the menu and check "Device Memory" in the file list in the window and then execute PLC read. More Details >>

Fixed scan execution type (program setting item)

A fixed scan execution type program is a program executed at specified time intervals. This type of programs, unlike interrupt programs, can be interrupted i... More Details >>

Arranging the PLC memory

This occurs when the specified memory does not have consecutive free space in it. In this case, delete unnecessary files or arrange the PLC memory. Select ... More Details >>

GX Developer's compatibility with 64-bit Windows 7

GX Developer Version 8.98C or later supports 64-bit Windows 7. To install GX Developer to a Windows 7-based personal computer, refer to the following techni... More Details >>

Difference between SM0 and SM1

SM0 turns ON when self-diagnostic checks detect an error or when an annunciator turns ON.SM1 turns ON when self-diagnostic checks detect an error. More Details >>

Inputting device comments in GX Works2

Select [Tool] -> [Options] -> [Program Editor] -> "Ladder/SFC"-> "Comment" and change "Reference/Reflection Target for Device Comment" from "Glob... More Details >>

Unable to communicate via USB connection

Check the following points.(1) Transfer Setup is properly configured.(2) The USB driver is properly recognized. More Details >>

Grounding FG and LG terminals of power supply module

Both of them need to be grounded. They can be shorted and grounded as one cable. More Details >>

How to check errors with error codes of QD75

Errors can be checked with the following error detection signals and buffer memory areas corresponding to each axis.- Axis 1 Error detection X8 Buffer memor... More Details >>