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

Accessible numbers of devices in one message are shown below.- 2000 coils and inputs for reading- 125 input registers an

No. It is necessary to configure one port to use the MELSOFT connection.

Executing the CPRTCL instruction (dedicated instruction) executes a specified protocol.

Imports are not supported. Only exports are supported.

The FX5-ENET module parameter of GX Works3 can send up to 10 messages and the module FB can send up to 256 characters at

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

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

Programs and parameters can be copied using the memory copy function.There are the following two methods of executing th

They have gone out of production. However, Q61P, a succeeding model, can be used in the same way.

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Programmable Controllers MELSEC

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

CPU Module(185)
I/O Module(5)
Analog(16)
High-Speed Counter(14)
Motion/Positioning(11)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

31-40 of Total 1023

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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
Numbers of devices the automatic communication parameter of the MODBUS(R) interface module accept for writing and reading

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
Open setting of LCPU

No. It is necessary to configure one port to use the MELSOFT connection. More Details >>
- No：22765
- Release Date：2018/09/03 17:30
- Category： MELSEC-L Series
Executing the QJ71C24N's pre-defined protocol support function

Executing the CPRTCL instruction (dedicated instruction) executes a specified protocol. More Details >>
- No：23004
- Release Date：2018/09/03 17:31
- Category： Network related products
Regarding Device Memory Export/Import

Imports are not supported. Only exports are supported. More Details >>
- No：40027
- Release Date：2023/08/24 14:38
- Category： MELSEC iQ-F Series , Engineering Software
Regarding the Number of Sending Addresses for Email function

The FX5-ENET module parameter of GX Works3 can send up to 10 messages and the module FB can send up to 256 characters at a time. By entering multiple email ... More Details >>
- No：40052
- Release Date：2023/08/25 10:23
- Category： MELSEC iQ-F Series , Network/Communication
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
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
Copying programs when replacing the CPU module

Programs and parameters can be copied using the memory copy function.There are the following two methods of executing the memory copy function.- Using the me... More Details >>
- No：22644
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Production of Q61P-A1 and Q61P-A2

They have gone out of production. However, Q61P, a succeeding model, can be used in the same way. More Details >>
- No：22655
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series

31-40 of Total 1023

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