Regarding I/O assignment on the module configuration diagram of GX Works3

While the module configuration window is being displayed, the I/O assignment can be checked by selecting the following options from the menu bar: [Edit]→[X... More Details >>

Security key authentication function of MELSEC iQ-R series

The security key authentication function registers a security key in a program file and prevents unauthorized execution or access to the program.You can set... More Details >>

Maximum apparent power of the power supplies of Q00JCPU and Q00UJCPU

Both are 105 VA. More Details >>

How to turn OFF the "COM.ERR" LED of the Ethernet module

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in the standby system in Transfer Setup.... More Details >>

FL-net interface module setting

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

Fixed buffer data area

The fixed buffer data areas in the buffer memory are used for communication for FROM/TO instructions. The areas used in communication for FROM/TO instruction... More Details >>

Error code "2200" in the High-Performance model QCPU

The error code "2200" is "MISSING PARA.". It may be determined as the cause of the error that there is no parameter file in the parameter-valid drive that h... More Details >>

CPU built-in I/O function

They can be used simultaneously when I/O signals are not overlapped. The overlap of signals are checked automatically when a user select functions in the bui... More Details >>

MX Component Version 4's compatibility with Visual Studio 2005

Yes. More Details >>

Receiving back (echoing back) the same data sent from QJ71C24N

When data is sent from the RS-422/485 interface through RS-485 (2-wire type) communication and the same data comes back to RDA or RDB, we call it echo back. ... More Details >>