FAQ
FAQAbout Products
- FAQ > Controllers > Programmable Controllers MELSEC
FAQ
Keyword Search
Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
-
Scan time while operation of a programmable controller CPU is being monitored using GX Works2
Scan time displayed on GX Works2 is the maximum scan time of the monitor target programmable controller CPU. To check current scan time, monitor the data in... More Details >>
- No:24779
- Release Date:2019/02/27 15:58
- Category: MELSEC-F Series , Engineering Software , Main Unit
-
To assure 32-bit data, "Network Range Assignment" of the control station must satisfy the following conditions.(1) The start device No. of LB is a multiple o... More Details >>
- No:23052
- Release Date:2018/09/03 17:31
- Category: Network related products
-
NTP support by the SNTP function of LCPU with built-in Ethernet port
NTP and SNTP are compatible. Therefore, an NTP server can be used for clock setting. More Details >>
- No:22744
- Release Date:2018/09/03 17:29
- Category: MELSEC-L Series
-
Difference between SM0 and SM1
SM0 turns ON when self-diagnostic checks detect an error or when an annunciator turns ON.SM1 turns ON when self-diagnostic checks detect an error. More Details >>
- No:22632
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
-
Replacing a device in GX Developer
Select [Tool] -> [Options] from the menu of GX Developer and open <<Program common>> tab.Then select "Don't write to PLC" in "After conversion... More Details >>
- No:22565
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
-
SD520 stores the current scan time in 1 ms units. More Details >>
- No:22556
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
-
Security key authentication function of MELSEC iQ-R series
The security key authentication function registers a security key in a program file and prevents unauthorized execution or access to the program.You can set... More Details >>
- No:22480
- Release Date:2018/09/03 17:28
- Update:2018/09/19 15:38
- Category: MELSEC iQ-R Series
-
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 >>
- No:22312
- Release Date:2018/08/30 13:55
- Update:2022/12/22 10:18
- Category: MELSEC iQ-F Series , CPU Module , High-Speed Counter
-
From the following menu of GX Works3: [Diagnostics]→[Module Diagnostics(CPU Diagnostics)] the event history function can be found. The event history can dis... More Details >>
- No:22305
- Release Date:2018/08/30 13:55
- Update:2023/02/13 11:37
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
-
Regarding the function of a special relay.
SM400 and SM8000. ※FX compatible area(SM8000~, SD8000~) is available for the special relay and special device. More Details >>
- No:22288
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:09
- Category: MELSEC iQ-F Series , CPU Module
201-210 of Total 983