Digit specification for bit devices in ST language with GX Works3

For a label where digits are to be specified, set a bit type array as its data type. The following shows an example of when a global label is used. - Globa... More Details >>

Using a commercially-available SD memory card for a MELSEC iQ-R series CPU module

For the commercially-available SD memory cards that can be used for MELSEC iQ-R series CPU modules, refer to the following technical bulletin. - TECHNICAL ... More Details >>

I/O numbers of a MELSEC iQ-R series I/O combined module (RH42C4NT2P)

An input and output use a single I/O number. (This is the same as QH42P.) When you replace a module that uses serial I/O numbers (e.g. QX41Y41P) with this m... More Details >>

GX Works2 installation procedure from the iQ Works disk

Use setup.exe in iQ Works Disk 2 (appears directly under the disk folder), to install the application.For the individual installation procedure from the iQ W... 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 >>

Returning to the overwrite mode in GX Developer

Press the INSERT key. More Details >>

QnA-compatible 3E frame command (0406) for the built-in Ethernet port QCPU

The built-in Ethernet port QCPU is not compatible with a multiple-block batch read command (0406) of the MC protocol. Executable commands are the following.... More Details >>

Compatibility between the A series modules and Q series modules

When an ACPU module is replaced with a QCPU module, programs for the ACPU module can be used by changing the PLC type in GX Developer. However, the programs ... More Details >>

How to specify intelligent function module devices

For "U**", set the first two digits of the start I/O number of an intelligent function module in three-digit representation.Example) For X/Y1F0, set "U1F". More Details >>

SD memory cards used for Q24DHCCPU-V

Mitsubishi Electric's SD memory cards, which can be installed into Q24DHCCPU-V, are shown below. - NZ1MEM-2GBSD (memory capacity: 2Gbytes) - NZ1MEM-4GBSD (... More Details >>