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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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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
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Meanings of the sink input/source input
The sink input connects to a negative common for 24 V DC. The source input connects to a positive common. The sink input is generally used in Japan and No... More Details >>
- No:22254
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , I/O Extension
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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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Reflecting the changes in the communication setting
Power off and on the programmable controller again after the communication setting is changed. More Details >>
- No:25006
- Release Date:2019/04/23 11:11
- Category: MELSEC-F Series , Engineering Software , Main Unit
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How to reset M8004 (Error occurrence)
Yes, it is. However, if the error cause is not eliminated, M8004 will turn on again after powering on. * How to check the error In the FX3S/FX3G/FX3GC/FX... More Details >>
- No:22280
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Special auxiliary relay which is always on (MELSEC-F)
M8000 More Details >>
- No:22258
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Model name of a built-in battery (FX3U/FX3UC)
FX3U-32BL More Details >>
- No:22278
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Accessories
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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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Regarding How to release Online Program Change
In GX Works3, [Tools] - [Options] - [Conversion] - [Online Program Change], set "Execute Online Program Change in Converting" to "No." More Details >>
- No:44876
- Release Date:2025/03/18 10:26
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Differences between the file register and other registers
The file register is used for storing predetermined values (such as specification values for product inspection). Other registers are used as a temporary st... More Details >>
- No:22256
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Engineering Software , Main Unit
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