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Use of 4E frame for built-in Ethernet port of LCPU
The built-in Ethernet port in the L series is compatible only with the QnA-compatible 3E frame. The 4E frame is not supported. More Details >>
- No:22761
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
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Remedy for the division-related operation error
The operation error occurs when the divisor is 0.Create a program in which a comparison operation instruction or another method executes a division instructi... More Details >>
- No:22691
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Yes. More Details >>
- No:22642
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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CPU modules supporting the serial communication function
CPU modules supporting the serial communication function are as follows. - Q00UJCPU,Q00UCPU,Q01UCPU - Q02UCPU 10102 or later (with GX Works2 1.15R or l... More Details >>
- No:22530
- Release Date:2018/09/03 17:28
- Update:2018/09/20 14:37
- Category: MELSEC-Q Series
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Using a commercially-available SD memory card for a MELSEC iQ-R series CPU module
For the commercially-available SD memory cards that can be used for MELSEC iQ-R series CPU modules, refer to the following technical bulletin. - TECHNICAL ... More Details >>
- No:22461
- Release Date:2018/09/03 17:28
- Update:2018/09/18 15:46
- Category: MELSEC iQ-R Series
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Regarding using the MQTT Communication function in a local environment
Yes, you can use MQTT communication function even in the local network by preparing a personal computer with MQTT broker such as Eclipse Mosquitto installed.... More Details >>
- No:44367
- Release Date:2024/03/27 16:46
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding connecting to AWS IoT Core Using the TCP Protocol
Because the AWS IoT Core specification is the TLS protocol, you cannot connect using the TCP protocol. More Details >>
- No:44344
- Release Date:2024/03/20 13:37
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding the QoS function of the MQTT Communication function
There are three QoS levels and FX5-ENET is also supported. ・QoS0 - The message is sent only once from the source client. Messages are not guarant... More Details >>
- No:40056
- Release Date:2023/08/25 09:04
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding double-precision real numbers
The FX5 CPU unit does not handle double-precision real numbers. Only single-precision real numbers can be handled. More Details >>
- No:40033
- Release Date:2023/08/24 15:37
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding firmware updates for newly purchased CPU modules
You can still update the firmware. More Details >>
- No:39300
- Release Date:2023/02/13 16:40
- Category: MELSEC iQ-F Series , CPU Module
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