Station number settings for MELSECNET/H networks

A station number can be skipped by setting the station as a reserved station. 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 >>

Error code "2100" in QCPU

The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) In the I/O assignment setting of the PLC parame... More Details >>

Difference between Q24DHCCPU-V and Q12DCCPU-V

Hardware specifications are different. For hardware specifications, refer to the following manuals. - MELSEC-Q C Controller Module User's Manual - C Contro... More Details >>

GX Developer's compatibility with 64-bit Windows 7

GX Developer Version 8.98C or later supports 64-bit Windows 7. To install GX Developer to a Windows 7-based personal computer, refer to the following techni... 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 >>

Models of extended SRAM cassettes that can be used with MELSEC iQ-R series CPU modules

You can use "NZ2MC-1MBS", "NZ2MC-2MBS", "NZ2MC-4MBS", "NZ2MC-8MBS", "NZ2MC-16MBS",and "NZ2MC-8MBSE". You cannot use extended SRAM cassettes for the high-spe... More Details >>

Regarding the latch settings of data register

It is necessary to set the latch range from the following GX Works3 parameters: [Navigation Window] -> [CPU Parameters] -> [Device/Memory Settings] -&... More Details >>

Regarding the COM terminal of the multiple input module

Yes, it's connected internally. More Details >>