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 >>

COMMENT to disappear after a PLC type change

Copy the COMMENT into the MAIN of comments by program before changing the PLC type.The basic model QCPU cannot deal with common comments. 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 >>

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 >>

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 >>

Socket communication with the built-in Ethernet port of a CPU module

The communication between programmable controllers can be established using the socket communication function instructions. More Details >>

Life expectancy of the CompactFlash card used in the high speed data logger module

The life expectancy is determined by the following calculation.Life expectancy (year) = Total writable size (GB) / 1 year write size (GB/year)For more detail... More Details >>

File register setting window

No. More Details >>

FL-net interface module setting

The auto refresh setting is not required. However, making the setting can reduce communication programs. More Details >>

Communication between built-in Ethernet port QCPU modules

The following communication methods are available between built-in Ethernet port QCPU modules. - Socket communications are possible. - Communications equ... More Details >>