FAQ
FAQAbout Products
- FAQ > Controllers > Programmable Controllers MELSEC
FAQ
Keyword Search
Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
-
Identifying disconnected CC-Link stations
Identify disconnected stations using either of the following methods. (1) Select [Diagnostics] -> [CC-Link Diagnostics].from the menu in GX Works2 or G... More Details >>
- No:23053
- Release Date:2018/09/03 17:31
- Update:2018/09/26 10:59
- Category: Network related products
-
Regarding FX5-ENET, FX5-ENET/IP IP addresses
You cannot configure two IP addresses. More Details >>
- No:44356
- Release Date:2024/03/27 15:56
- Category: MELSEC iQ-F Series , Network/Communication
-
Using a specified bit (on/off) of a word device (D) as a condition for a contact
In the FX3U/FX3UC series, a bit in a word device can be specified. It can be specified by "Word device (D only) + Decimal point + Bit position (0 to F)". A... More Details >>
- No:22261
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
-
Periodic replacement is recommended. For example, standard life of FX3U-32BL is 5 years (at ambient temperature of 25). The life of the battery changes wit... More Details >>
- No:22262
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Accessories
-
How to set battery-less operation(FX3U/FX3UC)
To perform battery-less operation in the FX3U/FX3UC series, set parameters using GX Works2(or GX Developer). Please refer to the following manual for furt... More Details >>
- No:22277
- Release Date:2018/08/30 13:48
- Update:2019/02/19 08:47
- Category: MELSEC-F Series , Engineering Software , Main Unit , Accessories
-
Regarding the method to check the scan time
The current value of the scan time is stored in the following special devices. Please monitor using GX Works3. ◇Scan information SD520 Current scan time (... More Details >>
- No:22289
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:20
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
-
Regarding a mismatch found in the monitoring function of GX Works3
Perform "Rebuild All" and initialize the memory before writing to the PLC. "Rebuild All" converts the entire project and "Convert" only coverts the modified... More Details >>
- No:22293
- Release Date:2018/08/30 13:55
- Update:2023/02/13 15:31
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
-
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 >>
- No:22654
- Release Date:2018/09/03 17:29
- Update:2018/09/21 12:02
- Category: MELSEC-Q Series
-
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
-
Operation error of the instruction that handles the present value of a high-speed counter
The present value register of the high-speed counter is the 32-bit register. The applied instruction handling the 32-bit register must be the 32-bit instruct... More Details >>
- No:24907
- Release Date:2019/04/15 11:32
- Category: MELSEC-F Series , High-Speed Counting
871-880 of Total 983