Memory allocation for online change in GX Developer

Select [Online] -> [Write to PLC] on the menu of GX Developer, open the [File selection] tab, and press "Param + Prog" button. Then open the [Program] ta... More Details >>

Fixed scan execution type (program setting item)

A fixed scan execution type program is a program executed at specified time intervals. This type of programs, unlike interrupt programs, can be interrupted i... More Details >>

QCPU 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 connecti... More Details >>

How to use PWM output of LCPU built-in I/O

Set the PWM output-on-width and the PWM output cycle, and then execute a dedicated instruction "ICPWM instruction". More Details >>

Usage of UPS (uninterruptible power supply)

No, it cannot be used. More Details >>

Buffer memory addresses of CC-Link modules

If the remote net Ver.1 mode is used, each station number is given fixed buffer memory addresses.If the remote net Ver.2 mode is used, different buffer memor... More Details >>

Model of the cable provided with the FX2N series extension unit

The model of the cable isFX0N-5EC. More Details >>

Resistor value for CC-Link cables

The value depends on the type of cable in use. - Ver.1.10-compatible CC-Link dedicated cables: 110 ohm, 1/2W - CC-Link dedicated cables (Version 1.00): 110... More Details >>

SB/SW refresh device setting with CC-Link

There are no problems even though the SB/SW refresh device has not been set. More Details >>

Regarding clearing error with SM50

It is cleared by eliminating the cause of the error during detection and turning on SM50. For the error codes that can be cleared on the SM50, refer to the ... More Details >>