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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Maximum number of connectable modules to LCPU when it is not extended
Up to 10 modules can be connected in the system as a whole except for the power supply module, CPU module, display unit, RS232C adapter, and END cover. Some ... More Details >>
- No:22775
- Release Date:2018/09/03 17:30
- Category: MELSEC-L Series
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Accessible numbers of devices in one message are shown below.- 2000 coils and inputs for reading- 125 input registers and holding registers for reading- 1968... More Details >>
- No:22668
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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It means that in an ambient temperature of 25 degrees Celsius, an error per day falls within the range of "delay of 2.57s" to "advance of 5.27s". "TYP.+2.22... More Details >>
- No:22651
- Release Date:2018/09/03 17:29
- Update:2018/09/26 16:53
- Category: MELSEC-Q Series
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Difference between redundant systems and the multiple CPU systems
- Redundant systems A redundant system offers improved system reliability, as it consists of two basic systems, each of which includes a CPU module, powe... More Details >>
- No:22609
- Release Date:2018/09/03 17:29
- Update:2018/09/20 18:14
- Category: MELSEC-Q Series
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Memory allocation for online change
The scan time may be substantially longer. Continue the operation if there is no problem with the longer scan time. More Details >>
- No:22575
- Release Date:2018/09/03 17:29
- Update:2018/09/20 17:01
- Category: MELSEC-Q Series
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Including GX Developer in GX Works2
Yes, it does.GX Developer can be installed along with the installation of GX Works2.For more details of the installation procedure, refer to GX Works2 Versio... More Details >>
- No:22506
- Release Date:2018/09/03 17:28
- Category: MELSEC-Q Series
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Regarding support for the FX5-EIP Auto refresh function
The Auto refresh function is supported. More Details >>
- No:45488
- Release Date:2025/11/12 13:55
- Category: MELSEC iQ-F Series , Network/Communication
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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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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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