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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding comparison of Strings
Use the string comparison instructions LD$□, AND$□, OR$□. □contains =, <>, >, < =, <, > =. More Details >>
- No:39355
- Release Date:2023/02/15 13:03
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding number of CH of CPU Module built-in Heating/Cooling PID control
The CPU Module's built-in Heating/Cooling PID control function supports up to 16 channels. The following firmware versions are required in order to use it. ... More Details >>
- No:44651
- Release Date:2025/03/18 10:22
- Category: MELSEC iQ-F Series , CPU Module , Analog
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How to prevent unauthorized access to MELSEC iQ-R series CPU modules via a network
The MELSEC iQ-R series CPU module has "IP filter function" and "remote password function" as security functions. With the "IP filter function", you can set ... More Details >>
- No:22478
- Release Date:2018/09/03 17:28
- Update:2018/09/19 14:58
- Category: MELSEC iQ-R Series
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Error in simulation in GX Works2
This problem can be workarounded by upgrading software products made by other companies to the latest version or uninstalling them.For more details, refer to... More Details >>
- No:22570
- Release Date:2018/09/03 17:29
- Category: MELSEC-Q Series
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Yes, there is. T256 to T319 can be used for the1 ms timer, and T246 to T249 can be used for the 1 ms retentive timer. More Details >>
- No:24680
- Release Date:2019/02/22 11:39
- Update:2019/02/22 14:03
- Category: MELSEC-F Series , Main Unit
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For output terminals of a programmable controller, one common terminal is used for 1, 2, 4, or 8 output points. Each common line is assigned with a different... More Details >>
- No:24780
- Release Date:2019/02/27 15:58
- Category: MELSEC-F Series , Main Unit
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Counting of a built-in high-speed counter
Check that the RST instruction ofthe high-speed counter is not executed whilethe program is running. Forthe high-speed counter which supports the external r... More Details >>
- No:24787
- Release Date:2019/02/28 09:06
- Category: MELSEC-F Series , Engineering Software , Main Unit
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Periodic replacement is recommended. For example, standard life of FX3U-32BL is 5 years (at ambient temperature of 25). The life of the battery changes wit... More Details >>
- No:22262
- Release Date:2018/08/30 13:48
- Category: MELSEC-F Series , Main Unit , Accessories
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Accessories of the FX3UC-16MR/DS-T and the FX3UC-16MR/D-T
The "FX2NC-100MPCB" power supply cable for main unit is provided with the FX3UC-16MR/DS-T. The "FX2NC-100MPCB" and the "FX2NC-100BPCB" power supply cable for... More Details >>
- No:25005
- Release Date:2019/04/23 11:11
- Category: MELSEC-F Series , Main Unit , Accessories
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Regarding settings when the battery is installed
From the GX Works3 settings when the optional battery is installed, it must be set to Installed in the Optional Battery Settings. Use the following proc... More Details >>
- No:44363
- Release Date:2024/03/27 17:09
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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