Cause of file register reset by latch clear operation in universal model QCPU

If Latch (1) is set in the device setting of PLC parameter, the contents of file registers are cleared by latch clear operation. Set Latch (2) to maintain t... More Details >>

File register setting window

No. More Details >>

Label programs in GX Works2

Change the program using the following method.Write the label program to the programmable controller CPU and perform PLC read for the parameters and the prog... More Details >>

How to display local comments in GX Works2

In the "Reference/Reflection Target for Device Comment" window, switch the "Specify the Reference/Reflection" from "Global" to "Local". More Details >>

Simulation function not started

The simulation function utilizes the standard TCP/IP communication provided by Microsoft Corporation. A communication capability of software of another make... More Details >>

Writing files in CSV format

Use SP.FWRITE instruction to save the data to an ATA card in CSV format.For Q00UJCPU, Q00UCPU, and Q01UCPU, however, memory cards cannot be used thus data ca... More Details >>

QnA-compatible 3E frame command for built-in Ethernet port in LCPU

The built-in Ethernet port in the L series CPU is not compatible with a multiple-block batch read command (0406) of the MC protocol. Executable commands are ... More Details >>

Error code "2110" in LCPU

The error code "2110" is "SP.UNIT ERROR.". This error may be caused by one of the following factors.(1) The module that has been specified by a FROM/TO instr... More Details >>

Terminating resistors for CC-Link communication

There are two types of terminating resistors for CC-Link communication. Both two types are packaged with a CC-Link master/local module. (1) 110 ohm, 1/2W (B... More Details >>

CC-Link signals checked when an error occurs

Check the following signals.- Module error signal : X0- Host data link status signal: X1- Other station data link status signal: X3 More Details >>