Alive check for built-in Ethernet port LCPU

When the protocol is set to TCP, KeepAlive check is performed. (Checking for a response to KeepAlive ACK message) An alive check message is sent five seconds... More Details >>

Q series device data held in the case of a power failure

The data in the devices assigned to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> [Device Setting] window) is held when a pow... 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 >>

FL-net interface module setting

The auto refresh setting is not required. However, making the setting can reduce communication programs. More Details >>

Combination of the MELSEC iQ-R series inter-module synchronization function and another network synchronous communication function

You can use the MELSEC iQ-R series inter-module synchronization function together with the CC-Link IE Field Network synchronous communication function.With ... More Details >>

Order in which a CC-Link master module and slave stations are connected

There is no restriction on the positions of a master station and slave stations where they are connected. (Stations are not required to be connected in order... More Details >>

Copying device comments in GX Works2

Select a device comment in the project view and select "Copy" from the right-click menu. More Details >>

MX Component Version 4's compatibility with Visual Studio 2008

Yes. More Details >>

File register setting window

No. More Details >>

Built-in Ethernet function setting window of MELSEC iQ-R series CPU modules

"Module Parameter" of the CPU module is the setting window. <Setting a built-in Ethernet port> [Navigation Window]-> [Parameter]-> [CPU Modul... More Details >>