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 >>

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 >>

Setting of "Target MODBUS(R) device head number"

Set "(Last five digits of actual device number) - 1" for the Target MODBUS(R) device head number.Example) For the holding register 400018, set "17". More Details >>

When a message indicating that "the memory space is insufficient" appears during online change

This problem occurs because the consecutive free memory space for temporarily storing the program during online change is insufficient. In this case, perform... More Details >>

SD1284 of LCPU with built-in Ethernet port

The bits 0 to F of the special register SD1284 (Open request signal) correspond to the connection numbers 1 to 16. When the open request is sent, the corresp... More Details >>

Duplicated coil error

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

Setting for installing a memory cassette

When the programmable controller is powered on after a memory cassette is installed, the memory cassette is automatically recognized. After the memory casset... More Details >>

Regarding the differences between CC-Link IE TSN and CC-Link IE Field Networks

(1)Whether or not networks can be mixed on the same trunk line is different. CC-Link IE TSN allows network mixing on the same trunk line. When using a CC-Li... More Details >>

The power supply lamp of a running programmable controller suddenly turned off or flashes

Check whether the lamp is back to normalafter disconnecting the wiring of the "24V" (service power supply) terminal. Ifthe lamp is back to normal,the servic... More Details >>

Connection of a memory cassette and a display module to the FX3G series main unit

For the 14/24-point type FX3G series main unit, they cannot be connected together. For the 40/60-point type FX3G series main unit, they canbe connected toget... More Details >>