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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding restrictions on the external input/output forced ON/OFF function
The following restrictions apply to the external input/output forced ON/OFF function. ・Since RUN contact setting is RUN/STOP by external signal, forced ON/O... More Details >>
- No:44332
- Release Date:2024/03/20 12:58
- Category: MELSEC iQ-F Series , CPU Module
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Regarding the necessity of using a battery
Device back up is available without using a battery. However, to back up link register (W) and file register (R) devices, a FX3U-32BL (battery) is required. More Details >>
- No:22296
- Release Date:2018/08/30 13:55
- Update:2025/11/07 15:52
- Category: MELSEC iQ-F Series , Option , CPU Module
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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 >>
- No:44615
- Release Date:2024/11/28 16:13
- Category: MELSEC iQ-F Series , CPU Module
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The following points are different for the iQ-F series. ・Error History If the FX5 CPU Module is turned off, the error history is cleared. ・Setting detail... More Details >>
- No:44335
- Release Date:2024/03/20 13:21
- Category: MELSEC iQ-F Series , CPU Module
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Regarding differences between 8 bit and 16 bit modes for non-protocol communication
In 8-bit mode, the upper 8 bits of transmitted and received data are ignored and only the lower 8 bits are valid data. In 16 bit mode, send/receive data i... More Details >>
- No:39363
- Release Date:2023/02/15 13:04
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Operation processing time of the programmable controller
The constant operation processing time can be achieved by using constant scan mode. Refer to the programming manual of the programmable controller used. More Details >>
- No:24997
- Release Date:2019/04/23 10:38
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Programmable controller series which the FX3U-1PG pulse output block can be added to
FX3U/FX3UC series (Ver. 2.20 or later) * To connect the FX3U-1PG to the FX3UC series, the FX2NC-CNV-IF connector conversion adapter or the FX3UC-1PS-5V exte... More Details >>
- No:24947
- Release Date:2019/04/18 14:26
- Category: MELSEC-F Series , Positioning Control
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Regarding how to change the averaging processing of FX5-4AD-ADP programmatically
It is possible to change the number of counts for count averaging in a program. Set the module parameter Basic settings to "Set A/D conversion method" to Di... More Details >>
- No:44618
- Release Date:2024/11/28 16:13
- Category: MELSEC iQ-F Series , Analog
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Regarding how to compare multiple word devices
It is possible to compare multiple word devices using the BKCMP_□ instruction. *where □ is the comparison symbol. Example:To compare 10 stores from D0 to D... More Details >>
- No:44616
- Release Date:2024/11/28 16:13
- Category: MELSEC iQ-F Series , CPU Module
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Reagrding specifying an FTP client domain
The iQ-F series does not support domain specification, so specify the IP address. More Details >>
- No:44359
- Release Date:2024/03/27 15:58
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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