Database function of the MELSEC iQ-R series

You can manage tabular data including product information and production information as a database in a programmable controller. By accessing the database w... More Details >>

Regarding program capacity

The program cache memory (capacity) of the MX-F model is 12 MB. ※12 MB is equivalent to over 200K steps. More Details >>

Regarding Always-On Special Relay Numbers

It is SM400. More Details >>

Precaution about MELSECNET/H connection (2)

- Set the network module mounted in system A to station number 0 (multiplexed remote master station). Set the network module mounted in system B to any sta... More Details >>

Station number settings for MELSECNET/H networks

A station number can be skipped by setting the station as a reserved station. More Details >>

Limitation on the number of levels of cascade connections when QJ71E71-100 is used

If a repeater hub is used, 10BASE-T allows a maximum of four levels of cascade connections and 100BASE-TX allows a maximum of two levels of cascade connectio... More Details >>

Seamless communications

The CC-Link family products allow flexible programming and maintenance from any controllers for all the devices in connection. Such a communication, for whic... More Details >>

Necessity of terminating resistors in CC-Link communication

No, it is unnecessary. Terminating resistors are only required at both ends of the network. More Details >>

Displaying the next page in the Print Preview window

It is only possible to preview the first page to verify the print size and form. More Details >>

Copying programs when replacing the CPU module

Programs and parameters can be copied using the memory copy function.There are the following two methods of executing the memory copy function.- Using the me... More Details >>