Regarding communication supported by built-in RS-485 port

N:N Network, Parallel Link, MC protocol, Non-protocol communication, MELSOFT connection, MODBUS RTU, and Predefined protocol support are available. More Details >>

Regarding the maximum number of connections for MODBUS communication

32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used. 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 >>

GX Works2 update installation procedure

Download the file directly under the C: drive and then install it. More Details >>

Difference between QH42P and QX41Y41P

The difference is I/O numbers used for input and output (XY). QH42P uses the same I/O numbers both for input and output. QX41Y41P uses sequential I/O numbers... More Details >>

How to set file register setting

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

How to turn OFF the "COM.ERR" LED of the Ethernet module

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in the standby system in Transfer Setup.... 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 >>

When a message indicating that "the memory space is insufficient" appears during online change

This problem occurs because the consecutive free memory space for temporarily storing the program during online change is insufficient. In this case, perform... More Details >>

Battery replacement for LCPU

The contents of the standard RAM and latch devices are not erased if the battery replacement is completed within three minutes, which is the backup power tim... More Details >>