Interrupt period setting of fixed scan interrupts of MELSEC iQ-R series

You can configure the setting in "Interrupt Setting from Internal Timer" of the CPU parameter. <Interrupt period setting> [Navigation Window]-> ... More Details >>

Including GX Developer in GX Works2

Yes, it does.GX Developer can be installed along with the installation of GX Works2.For more details of the installation procedure, refer to GX Works2 Versio... More Details >>

Duplicated coil error

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

How to set file register setting

No setting is required.File registers are enabled by default in basic model QCPU. More Details >>

Using Structured Text in GX Works2 simple projects

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

Recommended cables for MODBUS(R) interface module QJ71MB91

The RS-232 cable should meet RS-232 standards and not exceed 15 m in length.The RS-422/485 cable should meet specifications described in the following manual... More Details >>

Using the automatic communication function and dedicated instructions at the same time in MODBUS (R) interface module (QJ71MB91)

The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on the same channel. However, when the... More Details >>

How to write to file registers in Q series

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

Setting of Q series registers whose data is held when a power failure occurs

Assign data registers (D) to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> "Device Setting" window) to hold the data when a po... More Details >>