About network parameters when building MELSECNET/10 with Q02HCPU-A

Q02(H)CPU-A is the AnUCPU equivalent. When establishing a MELSECNET/10 network, set the refresh parameter with which SB/SW data is transferred to "Y/D" or o... More Details >>

Difference between the CC-Link IE Controller Network and a MELSECNET/H network

The CC-Link IE Controller Network is an improved system that has a higher processing speed and a larger data capacity than the MELSECNET/H network system (PL... More Details >>

Duplicated coil errors that can be checked with GX Works2

When an SET instruction and RST instruction use a single device, no duplicated coil error is detected. More Details >>

How to paste values in the device batch monitor window into an Excel sheet

Copy and paste operations cannot be carried out for values displayed in the device batch monitor window. To paste the values into an Excel sheet, read the d... More Details >>

A message that says "A T/C coil with the same No. exists."

It is a confirmation message telling a user that there is a device, T or C, that has become a duplicated coil in the same program and the coil is given the s... More Details >>

Index modification when using extended data register in LCPU

It is not possible to specify index modification to cross over the boundary between the internal user device (D) and the extended data register (D). Change t... More Details >>

Use of END cover with the branch module and extension module

Use an END cover applicable to the following. - The L6EC whose serial number (first six digits) is "*****2" or later- END cover with ERR terminal (optional i... More Details >>

Number of connectable modules

Up to 10 modules are connectable. Note that RS-232 adapter and END cover are excluded. Use the built-in CC-Link function for I/O enhancement. More Details >>

Storing the data logging setting to an SD memory card in LCPU

In the write logging setting, choose [Online] and [Write Logging Setting], and set the target memory to SD memory card. More Details >>

LCPU built-in Ethernet port setting when using the simple PLC communication function

The following settings are required for the "Open Setting" for the number of connected external devices.- Protocol: "UDP"- Open System: "MELSOFT connection" More Details >>