How to check the capacity of the file...

The capacity file registers currently have can be checked in the file register setting section ([PLC Parameter] -> [PLC File] tab). 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 >>

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 >>

USB cable type for CPU modules

It is the miniB-type. More Details >>

How to suppress the instability of di...

(1) Use separate cables for the AC control circuit and the external input signals of an analog input module to avoid the influence of the AC side surges an... More Details >>

Change timing of the status of A/D co...

(1)If the A/D conversion enable signal is kept ON, conversion processing is kept performed. Once conversion processing is successfully performed, A/D conve... More Details >>

Using Structured Text in GX Works2 si...

Select "Use Label" in the New Project window. More Details >>

Sample comment of GX Works2

It includes sample comments for special relay/special register and the intelligent function module. On the menu of GX Works2, select [Edit] -> [Import ... More Details >>

How to write to file registers in Q s...

Specify the file in the Write to PLC window and execute writing. More Details >>

Procedure for developing programs

It is necessary to install a development environment (Tornado or Wind River Workbench) and set parameters using the Setting/monitoring tools for the C Cont... More Details >>