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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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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 Circuit Blocks that cannot be written with Online Program Change.
HIOEN/DHIOEN instructions cannot be written with Online Program Change. In addition, circuit blocks containing positioning instructions or network instructio... More Details >>
- No:44354
- Release Date:2024/03/27 15:47
- Category: MELSEC iQ-F Series , CPU Module
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Regarding simultaneous execution of the MQTT communication function
The MQTT communication function cannot publish and subscribe at the same time. A program for the MQTT communication function is created using FB, but it c... More Details >>
- No:44345
- Release Date:2024/03/27 15:25
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding cable diversion to FX5-2HC/ES
The cable cannot be used because the connector shape is different, so change the wiring. FX5-2HC/ES is a spring clamp terminal block, and FX3U-2HC is a MIL-... More Details >>
- No:44337
- Release Date:2024/03/20 13:26
- Category: MELSEC iQ-F Series , High-Speed Counter
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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 the clean session function of MQTT communication function
This function allows you to select the operation to be performed when the FX5-ENET(MQTT client) reconnects to the MQTT broker after communication has been ... More Details >>
- No:40054
- Release Date:2023/08/25 09:02
- Category: MELSEC iQ-F Series , Network/Communication
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Regarding editing device comments in the device usage list
Supported since GX Works3 Ver. 1.095Z, you can edit device comments from the device usage list. More Details >>
- No:40038
- Release Date:2023/08/24 15:44
- Category: MELSEC iQ-F Series , Engineering Software
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Use the POW (Single Precision Real Power Operation) instruction. More Details >>
- No:40029
- Release Date:2023/08/24 14:38
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding Instruction processing time when the program capacity: 128 K steps are set
LD instruction: 0.35 μs, MOV instruction: 0.779 μs. For other instructions, see the manual below. MELSEC iQ-F FX5 Programming Manual (Instructions, Standa... More Details >>
- No:39362
- Release Date:2023/01/12 17:12
- Category: MELSEC iQ-F Series , CPU Module
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Regarding how to start positioning
In the case of positioning control and OPR control, there are three ways to start positioning: (1)[cd. 184] Turn on the positioning start signal. (2)Exec... More Details >>
- No:39360
- Release Date:2023/01/12 17:19
- Category: MELSEC iQ-F Series , Motion/Positioning
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