Opening a project in an old version of GX Developer

Products earlier than version 8.58L do not support a project in which the following parameters are set. All the parameters are set to their default values be... 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 >>

NTP support by the SNTP function of LCPU with built-in Ethernet port

NTP and SNTP are compatible. Therefore, an NTP server can be used for clock setting. More Details >>

Battery install position in LCPU

Open the cover at the bottom of the CPU module and install the battery. More Details >>

Function blocks and PLC type change

Yes. Execute conversion/compilation after changing the PLC type. More Details >>

Copying device comments in GX Works2

Select a device comment in the project view and select "Copy" from the right-click menu. More Details >>

Whether or not MC protocol frames can be used after A1SJ71UC24 is replaced with QJ71C24N

The QJ71C24N series modules can be accessed using A-compatible 1C frames, but the following restrictions are imposed. The access is limited to the devices wi... More Details >>

Grounding of CC-Link

The functional grounding is applied to ensure the reliability of the communication. More Details >>

Relation between CC-Link terminals and signal lines

The following shows the relations between CC-Link terminals and signal lines. - DA : Blue -DB: White -DG: Yellow More Details >>

MELSEC-F series high-speed counter blocks that can import differential pulses

The FX2N-1HC, FX2NC-1HC, FX3U-4HSX-ADP, and FX3U-2HC can import differential pulses. More Details >>