Regarding protocol mixing in Serial Communication

It is not possible to connect multiple devices with different communication speeds and parities. More Details >>

Regarding number of internal Ethernet port connections

The Ethernet port (P2) has 32 connections. The breakdown is as follows: total of MELSOFT connections, SLMP, and socket communications ≦ 32 connections. Apa... More Details >>

Regarding Tag communication support of FX5-ENET/IP

Class1 communication of FX5-ENET/IP is instance communication. Tag communication is not supported. Tag communication is supported by FX5-EIP. More Details >>

Regarding MELSOFT Products that do not work correctly

If you use a Microsoft IME, the MELSOFT product may not work properly. Please see the technical news below for details. Notes on using the Japanese Input M... More Details >>

Use of vacant terminals "∙"

Do not use vacant terminals. More Details >>

How to check the error history of the QJ71C24N with GX Developer

You can check the error history in the module detailed information in the system monitor of GX Developer. More Details >>

Communication between a CC-Link master station and local stations

There are two modes of transient transmission, cyclic transmission and transient transmission, for the communication between a master station and a local sta... 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 >>

Index modification in function blocks

Index modification cannot be used for labels. To set index modification, use actual devices as the target devices. More Details >>

Compatibility of the high speed data logger module's report function with 64-bit Excel2010

The high speed data logger module's report function does not support 64-bit Excel2010. More Details >>