- Redundant systems A redundant system offers improved system reliability, as it consists of two basic systems, each o

After performing online change to the program memory, export the program memory data to ROM format when the CPU can be s

Connect with a straight cable using a hub. For more details, refer to the following manual. - FL-net (OPCN-2) Interface

One license is required for each personal computer as a rule.

The boot operation from the standard ROM is not possible.The program memory of universal model QCPU is a flash ROM.Thus,

Select [Online] -> [Write to PLC] on the menu of GX Developer, open the [File selection] tab, and press "Param + Prog

You can synchronize the fixed scan communication cycle of the multiple CPU system function with the inter-module synchro

In the communication of the CC-Link IE Field Network synchronous communication function, you can synchronize the timing

Since the COM terminals is connected internally, there is no problem to use either one of them.

Class1 communication of FX5-ENET/IP is instance communication. Tag communication is not supported. Tag communication is

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(672)

CPU Module(185)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

931-940 of Total 1023

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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
How to change programs in the standard ROM

After performing online change to the program memory, export the program memory data to ROM format when the CPU can be stopped or before turning off the powe... More Details >>
- No：22576
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Cable used for FL-net

Connect with a straight cable using a hub. For more details, refer to the following manual. - FL-net (OPCN-2) Interface Module User's Manual More Details >>
- No：22574
- Release Date：2018/09/03 17:29
- Update：2018/09/20 16:55
- Category： MELSEC-Q Series
MX Component's license

One license is required for each personal computer as a rule. More Details >>
- No：22561
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Boot operation from the standard ROM

The boot operation from the standard ROM is not possible.The program memory of universal model QCPU is a flash ROM.Thus, writing in the program memory achiev... More Details >>
- No：22553
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
Memory allocation for online change in GX Developer

Select [Online] -> [Write to PLC] on the menu of GX Developer, open the [File selection] tab, and press "Param + Prog" button. Then open the [Program] ta... More Details >>
- No：22547
- Release Date：2018/09/03 17:28
- Update：2018/09/20 15:09
- Category： MELSEC-Q Series
Combination of the MELSEC iQ-R series inter-module synchronization function and the fixed scan communication of the multiple CPU system function

You can synchronize the fixed scan communication cycle of the multiple CPU system function with the inter-module synchronization cycle of the inter-module s... More Details >>
- No：22494
- Release Date：2018/09/03 17:28
- Update：2018/09/20 11:12
- Category： MELSEC iQ-R Series
Combination of the MELSEC iQ-R series inter-module synchronization function and the CC-Link IE Field Network synchronous communication function

In the communication of the CC-Link IE Field Network synchronous communication function, you can synchronize the timing to send/receive data with the inter-... More Details >>
- No：22493
- Release Date：2018/09/03 17:28
- Update：2018/09/20 11:10
- Category： MELSEC iQ-R Series
Regarding COM terminals of FX5-2HC/ES

Since the COM terminals is connected internally, there is no problem to use either one of them. More Details >>
- No：44874
- Release Date：2025/03/18 10:25
- Category： MELSEC iQ-F Series , High-Speed Counter
Regarding Tag communication support of FX5-ENET/IP

Class1 communication of FX5-ENET/IP is instance communication. Tag communication is not supported. Tag communication is supported by FX5-EIP. More Details >>
- No：44624
- Release Date：2024/11/28 16:14
- Update：2025/11/11 14:32
- Category： MELSEC iQ-F Series , Network/Communication

931-940 of Total 1023

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