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Programmable Controllers MELSEC
FAQ within [ Programmable Controllers MELSEC ]
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Regarding scan time adjustment for replacing the FX3 Series
You can adjust by setting the constant scan in iQ-F series. Setting procedure: Navigation window > [Parameter] > [Module model name] > [CPU Paramet... More Details >>
- No:44866
- Release Date:2025/03/18 10:24
- Category: MELSEC iQ-F Series , CPU Module
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Regarding number of CC-Link IE field network Basic connections
When the FX5 CPU Module is used as the master station, the maximum number of devices connected to 1 network is 16. The following firmware versions are requi... More Details >>
- No:44652
- Release Date:2025/03/18 10:22
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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CC-Link IE field When a network such as Network Basic is interrupted, the CPU module does not stop and continues to run. When the CC-Link IE Field Network i... More Details >>
- No:44611
- Release Date:2024/11/28 16:11
- Category: MELSEC iQ-F Series , CPU Module , Network/Communication
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Regarding number of servo amplifiers that can be connected via PDO communication
The maximum number of servo amplifiers connected to the FX5-CCLGN-MS varies according to the number of axes. Example: When connecting a 3-axis servo amplifi... More Details >>
- No:44478
- Release Date:2024/07/02 19:07
- 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 Input Interrupt Delay
The following versions support the input interrupt delay function and can delay the start of execution. ・FX5U/FX5UC Ver. 1.290 or later ・FX5UJ Ver. 1.050 o... More Details >>
- No:40037
- Release Date:2023/08/24 15:43
- Category: MELSEC iQ-F Series , CPU Module
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Regarding using the 2nsec Clock Timer
The value of n can be set in SD414, and the range is from K1 to K32767. (Default value: K30) If n=K1, it is a 2-second clock timer with 1 second ON/1 second... More Details >>
- No:40019
- Release Date:2023/08/24 14:29
- Category: MELSEC iQ-F Series , CPU Module
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Regarding the parallel link function between CPU modules
Parallel linking between FX5 and FX3 CPU modules is not available. The N:N Network function supports communication between the FX5 CPU module and the FX3 CPU... More Details >>
- No:39364
- Release Date:2023/02/15 13:05
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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Regarding how to back up FX5-4LC
Some buffer memory values are cleared when the power is turned off. Turn on the backup command before turning the power OFF. By turning the buffer memory ... More Details >>
- No:39347
- Release Date:2023/01/16 10:07
- Category: MELSEC iQ-F Series , Analog
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Regarding using inline ST in FBD/LD Programs
You can. It is supported by GX Works3 Ver. 1.085P and later. More Details >>
- No:39335
- Release Date:2023/02/14 09:10
- Category: MELSEC iQ-F Series , CPU Module , Engineering Software
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