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 >>

Logging data storage in a USB memory

GX LogViewer function of Mitsubishi GOT (GT16) extracts the logging data to a USB memory attached to the USB interface on the front of the GOT. 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 >>

Operation error at the execution of a BIN instruction

Keep SM722 ON or correct the program so that any one of the ten numbers 0 to 9 is stored in each digit of the source data.An operation error occurs when data... More Details >>

COMMENT to disappear after a PLC type change

Copy the COMMENT into the MAIN of comments by program before changing the PLC type.The basic model QCPU cannot deal with common comments. More Details >>

Reading file registers simultaneously with the program, parameters, and other data in GX Works2

No. Switch the target memory for PLC Data and read the file registers alone. More Details >>

Duplicated coil error

The duplicated coil error is detected when SET instruction and RST instruction use the same device. More Details >>

USB driver installation procedure

For the USB driver installation procedure, refer to the following manuals.- GX Developer Version 8 Operating Manual (Startup) Chapter 3- GX Works2 Version 1 ... More Details >>

Setting the MELSEC iQ-R series inter-module synchronization function

Set modules in a module configuration diagram with GX Works3 and configure the inter-module synchronization setting. [Navigation Window]-> [Parameter]-... More Details >>

GX Developer's compatibility with QnUDVCPU

GX Developer does not support QnUDVCPU. Please use GX Works2 instead. More Details >>