We do not guarantee the operation of a system that involves cross cable connections.

The constant scan initial value in the simulation function is 100ms. Thus, the value of SM410(0.1sec. clock) is OFF in e

You cannot mount Q series modules on a MELSEC iQ-R series base unit. Use an RQ extension base unit (RQ65B, RQ68B, or RQ6

Instance communication ・The instance ID (any number) is used to communicate with the other device. Tag communication ・Th

It is not possible to add an iQ-F series module after the bus conversion module. When adding an iQ-F series module, add

It is not possible to connect multiple devices with different communication speeds and parities.

You can adjust by setting the constant scan in iQ-F series. Setting procedure: Navigation window > [Parameter] >

It is possible to change the number of counts for count averaging in a program. Set the module parameter Basic settings

The FX5U CPU module has a lineup of up to 80 point. The following configuration is recommended when replacing the FX3U-1

The FX5 CPU module supports SFC language with the following firmware versions. ・FX5U/FX5UC Ver. 1.220 or later ・FX5UJ Ve

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621-630 of Total 1123

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Cross cable connections

We do not guarantee the operation of a system that involves cross cable connections. More Details >>
- No：22679
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Behavior of special relay in simulation

The constant scan initial value in the simulation function is 100ms. Thus, the value of SM410(0.1sec. clock) is OFF in each scan. To turn ON/OFF SM410, set ... More Details >>
- No：22521
- Release Date：2018/09/03 17:28
- Update：2018/09/20 14:23
- Category： MELSEC-Q Series
Mounting Q series modules on a MELSEC iQ-R series base unit

You cannot mount Q series modules on a MELSEC iQ-R series base unit. Use an RQ extension base unit (RQ65B, RQ68B, or RQ612B). You cannot mount some modules... More Details >>
- No：22466
- Release Date：2018/09/03 17:28
- Update：2018/09/19 11:58
- Category： MELSEC iQ-R Series
Regarding differences between instance communication and tag communication

Instance communication ・The instance ID (any number) is used to communicate with the other device. Tag communication ・The tag name (any character string) ... More Details >>
- No：45486
- Release Date：2025/11/12 13:55
- Category： MELSEC iQ-F Series , Network/Communication
Regarding the expansion of modules after the bus conversion module

It is not possible to add an iQ-F series module after the bus conversion module. When adding an iQ-F series module, add it in the front stage of the bus conv... More Details >>
- No：45482
- Release Date：2025/11/12 13:55
- Category： MELSEC iQ-F Series , CPU Module
Regarding protocol mixing in Serial Communication

It is not possible to connect multiple devices with different communication speeds and parities. More Details >>
- No：45480
- Release Date：2025/11/12 13:54
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
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
Regarding how to change the averaging processing of FX5-4AD-ADP programmatically

It is possible to change the number of counts for count averaging in a program. Set the module parameter Basic settings to "Set A/D conversion method" to Di... More Details >>
- No：44618
- Release Date：2024/11/28 16:13
- Category： MELSEC iQ-F Series , Analog
Regarding replacement from 128 point type of FX3U

The FX5U CPU module has a lineup of up to 80 point. The following configuration is recommended when replacing the FX3U-128MR/ES. Recommended alternative (1... More Details >>
- No：44617
- Release Date：2024/11/28 16:13
- Category： MELSEC iQ-F Series , CPU Module
Regarding SFC Language Support

The FX5 CPU module supports SFC language with the following firmware versions. ・FX5U/FX5UC Ver. 1.220 or later ・FX5UJ Ver. 1.050 or later ・FX5S Ver. 1.010... More Details >>
- No：40043
- Release Date：2023/08/24 15:47
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software

621-630 of Total 1123

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