Operation performed when file registers are read

Checking "Device Memory" does not read file registers. Switch the Target Memory for "PLC Data" to "Standard RAM" and check "File Register" in the Read from P... More Details >>

Error code "2400" in LCPU

The error code "2400" is "FILE SET ERROR". This error may be caused when the file specified with a parameter does not exist. The individual information param... More Details >>

How to control MV value

You can use the output change upper limit value and the MV upper/lower limit limiter, the functions common to each PID control tag. Set the following parame... More Details >>

Memory allocation for online change in GX Works2

The capacity of parameters and programs subtracted from the program capacity for the CPU type in use equals the size of the maximum number of steps. 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 >>

Open setting of the built-in Ethernet port QCPU

No.It is necessary to configure one port to use the MELSOFT connection. More Details >>

How to display the list of device comments in GX Works2

Double-click "Global Device Comment" in the Project view to display the list. More Details >>

How to use file registers R in the Q series

File registers R can be used for data whose size is exceeding 32k points with RSET instruction, which is a block switching instruction. Use file registers... More Details >>

How to change the keeping (latched device data) range (FX3G/FX3GC)

The keeping (latched device data) range is fixed and cannot be changed in parameters. (Reference) [When an optional battery is not used] The keeping ran... More Details >>

Regarding how to check the date of manufacture

The date of manufacture of a product can be confirmed by the following methods. ① Name plate verification There is a name plate on the right side of the pr... More Details >>