Storage media of a project file

The project file written in the write-inhibited media, such as FD, CD-R, or CD-RW, cannot be read. (Condition: The standard Windows status without CD-R/RW w... More Details >>

Number of FX3U-16CCL-M CC-Link master blocks that can be connected to the FX3U series

One FX3U-16CCL-M can be connected to the FX3U series. More Details >>

Regarding simultaneous execution of the MQTT communication function

The MQTT communication function cannot publish and subscribe at the same time. A program for the MQTT communication function is created using FB, but it c... More Details >>

How to use the database function of the MELSEC iQ-R series

The database function manages tabular data including product information and production information as a database in a programmable controller. <... More Details >>

Online change setting

Changing to the monitor write mode automatically changes the online change setting in Options to "Write during RUN (while PLC is running)".With returning to ... 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 >>

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 >>

NTP support by the SNTP function of LCPU with built-in Ethernet port

NTP and SNTP are compatible. Therefore, an NTP server can be used for clock setting. More Details >>

LCPU internal clock synchronization

Use the time setting function to synchronize the internal clock. More Details >>

Application of RS-232 adapter L6ADP-R2

This adapter is used to add a serial port to the L series CPU. It is not a serial communication module. It is used for serial communication between a device ... More Details >>