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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Using a FROM/TO instruction after AJ71UC24 is replaced with QJ71C24N
I/O signals and buffer memory addresses need to be changed but data communications can be conducted using a FROM/TO instruction and X/Y signals. More Details >>
- No:23017
- Release Date:2018/09/03 17:31
- Category: Network related products
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The communication can be established using the following methods. - Using the socket communication function of both CPU modules - Using the simple PLC comm... More Details >>
- No:22664
- Release Date:2018/09/03 17:29
- Update:2018/09/21 13:51
- Category: MELSEC-Q Series
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CPU modules that support the File Register Extended Setting
The universal model QCPU modules other than Q00UJCPU support the File Register Extended Setting. More Details >>
- No:22627
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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GX Developer installation procedure from the iQ Works disk
Use setup.exe in the [GXD1] folder of the installation disk to install the application. More Details >>
- No:22532
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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Although it depends on interrupt factors, the overhead time before startup becomes 10.8 to 23.8 [us] and the time after startup becomes 6.5 to 17.4 [us]. More Details >>
- No:22499
- Release Date:2018/09/03 17:28
- Update:2018/09/20 12:14
- Category: MELSEC iQ-R Series
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How to display the network parameter setting window with GX Works3
"Network Parameter" in GX Works2 is "Module Parameter" of a "network module" in GX Works3. Click the items in the following order to display the setting win... More Details >>
- No:22485
- Release Date:2018/09/03 17:28
- Update:2018/09/19 16:55
- Category: MELSEC iQ-R Series
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Regarding KeepAlive for SLMP Communication
For TCP protocol of SLMP communication, KeepAlive is fixed and cannot be changed. In the case of UDP protocol, it is fixed to not perform a keep-alive check. More Details >>
- No:45477
- Release Date:2025/11/12 13:37
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding Recommended Substitute Models for FX3G-CNV-ADP
The FX5 CPU modules allows you to add an expansion adapter without using a connector conversion adapter. Therefore, there is no Recommended Substitute Models... More Details >>
- No:44875
- Release Date:2025/03/18 10:27
- 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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Using the email function of FX5-ENET, it is possible to send mail via a mail server. The email function is supported in the following versions. ・Hardware s... More Details >>
- No:40035
- Release Date:2023/08/24 15:40
- Update:2023/08/25 11:34
- Category: MELSEC iQ-F Series , Network/Communication
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