MX Component's license

One license is required for each personal computer as a rule. More Details >>

Corrective action when the program size exceeds the capacity

If comments and symbolic information are stored in the program memory, write them in the standard ROM. More Details >>

Reading file registers in the standard RAM

Set Target Memory to "Standard RAM" in the Read from PLC window to select a file register file. More Details >>

Device comment

Those displayed under COMMENT are common comments, and others are program comments.When there are multiple programs in a project, a common comment applies to... More Details >>

Difference between QH42P and QX41Y41P

The difference is I/O numbers used for input and output (XY). QH42P uses the same I/O numbers both for input and output. QX41Y41P uses sequential I/O numbers... More Details >>

Difference between Q61P and Q64PN

There are differences in 5 VDC rated output current and in 5 VDC overcurrent protection.The difference in 5 VDC rated output current is as follows.- Q61P: 6 ... More Details >>

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 reuse of GOT connector cable when replacing with FX5 CPU module

The connection cable is GT01-C30R4-8P. The FX5U CPU module does not have an RS422 port, so you will need to add an FX5-422-BD-GOT. More Details >>

Regarding FX5-ENET, FX5-ENET/IP IP addresses

You cannot configure two IP addresses. More Details >>

Regarding simultaneous execution of the MQTT communication function

The MQTT communication function cannot publish and subscribe at the same time. A program for the MQTT communication function is created using FB, but it c... More Details >>