Behavior of sequence program in event of momentary power failure in QCPU

(1) When a momentary power failure occurs for a period not longer than the allowable momentary power failure time When the momentary power failure occurs, t... More Details >>

Auto refresh setting in GX Configurator -MB

Auto refresh setting is for storing the buffer memory data of a MODBUS (R) interface module to specified devices of a CPU module and for storing device data ... More Details >>

USB communication driver

Is the version of MX Component compatible with Windows 7? Update the software to the version compatible with Windows 7 and then update the driver. For the ... More Details >>

MX Component's license

One license is required for each personal computer as a rule. More Details >>

Boot operation from the standard ROM

The boot operation from the standard ROM is not possible.The program memory of universal model QCPU is a flash ROM.Thus, writing in the program memory achiev... More Details >>

Difference between C Controller module and programmable controller CPU module

- C Controller module: Programs are created using C and C++ languages. The programs run based on each task and parallel processing of multiple tasks base... More Details >>

Difference between QH42P and QX41Y41P

The difference is I/O numbers used for input and output (XY). QH42P uses the same I/O numbers both for input and output. QX41Y41P uses sequential I/O numbers... More Details >>

Duplicated coil error

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

GX Developer installation procedure from the iQ Works disk

Use setup.exe in the [GXD1] folder of the installation disk to install the application. More Details >>

Local devices

Local devices are devices which can be independently used for each program.When multiple independent programs are executed, using local devices allows progra... More Details >>