AC input type main unit in the FX3 series

FX3U-32MR/UA1 and FX3U-64MR/UA1 are AC input types. More Details >>

Regarding how to back up FX5-4LC

Some buffer memory values are cleared when the power is turned off. Turn on the backup command before turning the power OFF. By turning the buffer memory ... More Details >>

Regarding the difference of current address (user unit, pulse unit)

The difference between the current address (user unit) and the current address (pulse unit) is as follows: The current address (user unit) becomes the unit ... More Details >>

Regarding scan time adjustment for replacing the FX3 Series

You can adjust by setting the constant scan in iQ-F series. Setting procedure: Navigation window > [Parameter] > [Module model name] > [CPU Paramet... More Details >>

Regarding COM terminals of FX5-2HC/ES

Since the COM terminals is connected internally, there is no problem to use either one of them. More Details >>

Regarding support for the FX5-EIP Auto refresh function

The Auto refresh function is supported. More Details >>

Regarding the frequency of high-speed counters

The maximum frequency of the FX5U/FX5UC CPU module is 200kHz and the maximum frequency of the FX5S/FX5UJ CPU module is 100 kHz. More Details >>

How to prevent unauthorized access to MELSEC iQ-R series CPU modules via a network

The MELSEC iQ-R series CPU module has "IP filter function" and "remote password function" as security functions. With the "IP filter function", you can set ... More Details >>

How to display the multiple CPU function setting window of MELSEC iQ-R series CPU modules

You can display the setting window in the multiple CPU setting of system parameters. <Multiple CPU setting> [Navigation Window]-> [Parameter]-&g... More Details >>

Processing time of when multiple programs are executed with a MELSEC iQ-R series CPU module

When multiple programs are executed, the processing time (program switching time) becomes "Number of program files × 0.9 [us]". More Details >>