Opening a Structured Text program in GX Developer

Install the latest version again. Check "Structured Text (ST) Language Programming Function" and install it. More Details >>

KeepAlive setting for built-in Ethernet port in LCPU

The KeepAlive setting for the built-in Ethernet port in the L series is fixed. The setting is unchangeable. More Details >>

Number of modules that can be synchronized using the MELSEC iQ-R series inter-module synchronization function

The number of modules that can be synchronized is as follows. - In single CPU system configuration: 64 modules - In multiple CPU system configuration: 57 t... More Details >>

Database function of the MELSEC iQ-R series

You can manage tabular data including product information and production information as a database in a programmable controller. By accessing the database w... More Details >>

Extending the station-to-station distance with a CC-Link IE controller

Use the optical media converter DMS-1000SL(-DC) (manufactured by Mitsubishi Electric System & Service Co., Ltd.). You can extend the station-to-station dista... More Details >>

Mixing line topologies with star topologies in the CC-Link IE Field Network　

Line topologies and star topologies can be mixed. More Details >>

Unit of receive data used by the QJ71C24N series pre-defined protocol support function

The fixed data is used for specific codes and character strings such as a command. Setting a device is not required. More Details >>

RS-485 connection between LJ71C24 and an external device

Short between SDA and RDA and between SDB and RDB, and then connect them to + (Data-A) and - (Data-B) on the external device. More Details >>

Duplication error in a CC-Link master station

Possible causes are as follows.(1) Another master station exists on the same line.(2) Noise is detected on the line at power on. More Details >>

Connecting QJ71C24N to an external device that has no DTR signal

Carry out DTR and DSR wiring that returns signals on QJ71C24N(-R2). More Details >>