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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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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
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Regarding connection through a MODBUS/TCP Gateway
Communication is possible with simple CPU communication function of FX5CPU, FX5-ENET, FX5-ENET/IP modules. ※FX5U and FX5UC CPU modules with firmware version... More Details >>
- No:39343
- Release Date:2023/01/12 17:05
- Update:2023/06/23 11:13
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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M384 to M1535 and D128 to D1099 can be latched. M1536 to M7679, D1100 to D7999, and R0 to R23999 can be used as latch areas by installing an optional batt... More Details >>
- No:24703
- Release Date:2019/02/27 08:59
- Category: MELSEC-F Series , Engineering Software , Main Unit , Accessories
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Maximum number of characters in a comment that can be transferred to a FX3U series
As project data, up to 32 one-byte characters (16 two-byte characters) can be input to each global device comment. However, the maximum number of characters ... More Details >>
- No:24700
- Release Date:2019/02/27 08:59
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Error code "2200" in the High-Performance model QCPU
The error code "2200" is "MISSING PARA.". It may be determined as the cause of the error that there is no parameter file in the parameter-valid drive that h... More Details >>
- No:22699
- Release Date:2018/09/03 17:29
- Update:2018/09/21 14:24
- Category: MELSEC-Q Series
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Regarding I/O assignment on the module configuration diagram of GX Works3
While the module configuration window is being displayed, the I/O assignment can be checked by selecting the following options from the menu bar: [Edit]→[X... More Details >>
- No:22307
- Release Date:2018/08/30 13:55
- Update:2023/06/23 10:25
- Category: CPU Module , I/O Module , Engineering Software
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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
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The FX5 CPU module does not support UDP broadcast communication. More Details >>
- No:22291
- 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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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
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Programmable controllers with no battery (MELSEC-F)
A battery is used for backing up program memory and latched device data and maintaining clock operation in the event of a power failure. The FX3S/FX3G/FX3G... More Details >>
- No:22259
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Accessories
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