Reading and writing bits/words using the FL-net (OPCN-2) interface module

The parameters and auto refresh settings for the FL-net (OPCN-2) interface module cannot be made using the Network Parameter items in GX Developer.Set those ... 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 >>

Boot operation from the standard ROM in the universal model QCPU

The universal model QCPU modules have their standard ROM but boot operation from the standard ROM is impossible. Boot the module from a memory card. More Details >>

What to do in the case of the error "A default router IP address needs to be set."

When having access bypassing a router, enter only the IP address.The subnet mask pattern is not required to be entered because GX Works2 or GX Developer auto... More Details >>

Difference between redundant systems and the multiple CPU systems

- Redundant systems A redundant system offers improved system reliability, as it consists of two basic systems, each of which includes a CPU module, powe... More Details >>

USB cable type for CPU modules

It is type B. More Details >>

Counting operation of QD62

The corresponding operation depends on the counter type selected. (1) If "Linear Counter" is selected If the present counter value exceeds the upper limi... More Details >>

Versions of the QJ71C24N modules compatible with QnUDVCPU

The QJ71C24N series modules with serial numbers with upper 5 digits of "10042" or later indicate compatibility with QnUDVCPU. More Details >>

Operation error at the execution of a BIN instruction

Keep SM722 ON or correct the program so that any one of the ten numbers 0 to 9 is stored in each digit of the source data.An operation error occurs when data... More Details >>

Software required for MX Sheet

MX Component and EXCEL are required. More Details >>