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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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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
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Regarding the maximum number of channels of high-speed counters
The FX5 CPU module's built-in high-speed counter can control up to 8CH. Up to 16CH can be controlled by adding 4 modules of FX5-16ET/E□-H (high-speed pulse ... More Details >>
- No:22311
- Release Date:2018/08/30 13:55
- Update:2023/02/13 15:34
- Category: MELSEC iQ-F Series , CPU Module , High-Speed Counter
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Ethernet-connectable modules in MELSEC-F
The FX3U-ENET-L and FX3U-ENET-ADP are Ethernet-connectable. The FX3U-ENET-L can be used with the FX3U and FX3UC series (both Ver. 2.21 or later). The FX3U-... More Details >>
- No:22270
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Network/Communication
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The power supply lamp of a running programmable controller suddenly turned off or flashes
Check whether the lamp is back to normalafter disconnecting the wiring of the "24V" (service power supply) terminal. Ifthe lamp is back to normal,the servic... More Details >>
- No:22267
- Release Date:2018/08/30 13:48
- Update:2019/02/19 11:53
- Category: MELSEC-F Series , Main Unit
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Regarding sending files in an SD Memory Card by Mail
Yes, as long as the capacity is expandable to the file register (R), it can be transmitted by using the file operation instruction. When sending, please set... More Details >>
- No:44369
- Release Date:2024/03/27 16:41
- Category: MELSEC iQ-F Series , Network/Communication
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By using the Time calculation FB library, you can perform calculations that across years, months and days. In the time calculation FB library, you can add an... More Details >>
- No:44362
- Release Date:2024/03/27 16:03
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding swapping upper and lower bytes of string data
You can use the SWAP (P) command to swap the upper and lower bytes of the specified device. More Details >>
- No:44361
- Release Date:2024/03/27 15:55
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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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
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Regarding instructions for converting constants from decimal to hexadecimal
Decimal numbers of up to 4 digits can be converted to hexadecimal numbers using the BCD(P) instruction, and decimal numbers of up to 8 digits can be converte... More Details >>
- No:44352
- Release Date:2024/03/27 15:43
- Category: MELSEC iQ-F Series , CPU Module
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Regarding program conversion from FX3 Series to iQ-F Series
You can convert an FX3 series project (extension.gxw) to an iQ-F series project by selecting and opening it from the GX Works3 Projects > Open Other Forma... More Details >>
- No:44349
- Release Date:2024/03/27 15:31
- Category: MELSEC iQ-F Series , CPU Module
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