FAQ


FAQAbout Products
- FAQ > Controllers > Programmable Controllers MELSEC
FAQ
Keyword Search
Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
-
Regarding the QoS function of the MQTT Communication function
There are three QoS levels and FX5-ENET is also supported. ・QoS0 - The message is sent only once from the source client. Messages are not guarant... More Details >>
- No:40056
- Release Date:2023/08/25 09:04
- Category: MELSEC iQ-F Series , Network/Communication
-
An error (error code: F1028) occurs when compilation is executed in GX Works2.
You have used the device set as the automatic assignment device for labels in the program. Change the device with the one out of the range or change the auto... More Details >>
- No:22954
- Release Date:2018/09/03 17:30
- Category: Engineering Software
-
CC-Link slave station's flashing L.ERR LED
If the L.ERR LED flashes at irregular intervals, it may indicate that no terminating resistor has been connected or the communication is instable due to the ... More Details >>
- No:23001
- Release Date:2018/09/03 17:31
- Category: Network related products
-
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 th... More Details >>
- No:22535
- Release Date:2018/09/03 17:28
- Update:2018/09/20 14:46
- Category: MELSEC-Q Series
-
The FX3 intelligent function modules cannot be selected from the Element selection window because it does not correspond to the parameter setting of GX Works... More Details >>
- No:22304
- Release Date:2018/08/30 13:55
- Update:2024/08/19 09:50
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
-
Regarding how to clear simple CPU communication function errors
After removing the error factor, you can clear it by executing "Clear latest error code" from "Diagnostic" - "Simple CPU Communication Diagnostic" in GX Work... More Details >>
- No:40049
- Release Date:2023/08/25 09:06
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
-
Number of files that can be created inside a CF card in the FX3U-CF-ADP
Up to 63 files can be handled simultaneously. In addition, up to 1000 files can be created by creating FIFO function files. * The total capacity of the files... More Details >>
- No:24944
- Release Date:2019/04/18 14:26
- Category: MELSEC-F Series , Main Unit , I/O Extension , Accessories
-
Types of Batteries used in MELSEC-F
F2-40BL: Lithium thionyl chloride primary battery FX2NC-32BL: Lithium thionyl chloride primary battery FX3U-32BL: Manganese dioxide lithium primary battery F... More Details >>
- No:22265
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Accessories
-
Regarding the maximum number of connections for MODBUS communication
32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used. More Details >>
- No:22324
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:49
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
-
GX Works2 update installation procedure
Download the file directly under the C: drive and then install it. More Details >>
- No:22524
- Release Date:2018/09/03 17:28
- Update:2018/09/20 14:28
- Category: MELSEC-Q Series
61-70 of Total 1023