Precautions for use of SD memory card

Yes. Note that SD memory cards are formatted at the factory. If an SD memory card needs to be reformatted, format it using the CPU module. More Details >>

GX Works2's compatibility with Monitor (write mode)

From version 1.62Q, GX Works2 supports Monitor (write mode). Pressing Shift+F4 allows an online change. More Details >>

Cause of file register reset by latch clear operation in universal model QCPU

If Latch (1) is set in the device setting of PLC parameter, the contents of file registers are cleared by latch clear operation. Set Latch (2) to maintain t... More Details >>

Transfer setup in GX Works2

The Transfer Setup window is displayed in the Navigation window. More Details >>

Replacing a device in GX Developer

Select [Tool] -> [Options] from the menu of GX Developer and open <<Program common>> tab.Then select "Don't write to PLC" in "After conversion... More Details >>

VxWorks

It is an embedded RTOS (real-time OS) developed by Wind River, which is proven worldwide as reliable and stable.The version of the operation system installed... More Details >>

Duplicated coil error

The duplicated coil error is detected when SET instruction and RST instruction use the same device. More Details >>

How to display the parameter setting window for a programmable controller with GX Works3

You can display the setting window from a module configuration diagram or system parameters. <Displaying the setting window from a module configuration... More Details >>

Accessories of the MELSEC iQ-R series 40-pin connector type module

No connector is provided with the module. Separately prepare any of the following connectors. A6CON1: Soldering type 32-point connector (40-pin connector) A6... More Details >>

Duplicated coil errors that can be checked with GX Works3

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