Writing comments to the standard ROM ...

To write in the standard ROM, select [Online] -> [Write to PLC] (Flash ROM) More Details >>

Inputting device comments in GX Works2

Select [Tool] -> [Options] -> [Program Editor] -> "Ladder/SFC"-> "Comment" and change "Reference/Reflection Target for Device Comment" from "Glob... More Details >>

Battery replacement for universal mod...

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 >>

Network No., Group No., and Station N...

- Network No. is a number assigned to identify each network when multiple networks are configured. Each network No. must be unique. - Group No. is a num... More Details >>

NTP compatibility of the SNTP functio...

Because NTP is compatible with SNTP, you can use an NTP server for the time setting. More Details >>

Detecting the connection between a bu...

You can check the connection to the hub with bit 10 of the special register SD1288. When bit 10 of the SD1288 is on, the QCPU is in connection with the hub. More Details >>

Intelligent function module settings ...

Modules do not need setting in GX Works2 if not selectable from "Module Selection" in the "New Module" window for intelligent function module settings. More Details >>

Production of Q61P-A1 and Q61P-A2

They have gone out of production. However, Q61P, a succeeding model, can be used in the same way. More Details >>

Error code "2100" in QCPU

The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) In the I/O assignment setting of the PLC parame... More Details >>

Open setting of the built-in Ethernet...

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