LCPU built-in Ethernet port setting when using the simple PLC communication function

The following settings are required for the "Open Setting" for the number of connected external devices.- Protocol: "UDP"- Open System: "MELSOFT connection" More Details >>

Connection status detection between a hub and the built-in Ethernet port of LCPU

The bit 10 of the special register SD1288 provides the connection status to a hub. When the bit 10 of SD1288 is ON, a hub is connected. More Details >>

Error code "2401" in LCPU

The error code "2401" is "FILE SET ERROR". The individual information parameter number "1100H" corresponds to a file register. The cause of the error is that... More Details >>

END cover

An error occurs and CPU will stop. Install the END cover and reset the CPU module. More Details >>

Battery install position in LCPU

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

Languages supported by structured projects

Yes. More Details >>

Program by program difference in comments on display

There are two types of device comments: "global device comment" and "local device comment". Device comments can be displayed in the ladder editor and Zoom... More Details >>

Writing QJ71C24N's parameters in GX Works2

The switch setting is written when CPU module's parameters are written. The settings of "Various Control Specifications" are written when intelligent functio... More Details >>

Difference between AJ65SBTB1-32DT and AJ65SBTB1-32DT2

Major differences are shown below. - AJ65SBTB1-32DT- Leakage current at OFF 0.25 mA or lower- Protection function (overload protection, overvoltage protectio... More Details >>

Detecting the number of disconnections when using QJ71E71-100

The number of disconnections detected can be checked by reading the buffer memory address 5203H (Disconnection detection count). Disconnections are detected ... More Details >>