To assure 32-bit data, "Network Range Assignment" of the control station must satisfy the following conditions.(1) The s

For CPU modules with 8192 I/O device points (X/Y0 to 1FFF), X/Y1000 and greater can be set as refresh devices.

Index modification cannot be used for labels. To set index modification, use actual devices as the target devices.

To receive simultaneous broadcast using UDP, set the parameters as follows. - Destination IP Address: FF.FF.FF.FFh - Des

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

The QnUDE(H)CPU modules with serial numbers with upper 5 digits of "14112" or later indicate compatibility with the func

The data in the devices assigned to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> [Devic

Create global device comments and local device comments in respective languages.The device comments can be switched in [

You can manage tabular data including product information and production information as a database in a programmable con

To update to firmware version “1.100 ” or higher, you need a product with serial number (S/N) or higher listed below. ・

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(643)

CPU Module(179)
I/O Module(5)
Analog(16)
High-Speed Counter(14)
Motion/Positioning(11)
Network/Communication(97)
Option(9)
Engineering Software(61)
Safety Control(1)

Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

661-670 of Total 1010

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32-bit data assurance

To assure 32-bit data, "Network Range Assignment" of the control station must satisfy the following conditions.(1) The start device No. of LB is a multiple o... More Details >>
- No：23052
- Release Date：2018/09/03 17:31
- Category： Network related products
Refresh devices

For CPU modules with 8192 I/O device points (X/Y0 to 1FFF), X/Y1000 and greater can be set as refresh devices. More Details >>
- No：23014
- Release Date：2018/09/03 17:31
- Category： Network related products
Index modification in function blocks

Index modification cannot be used for labels. To set index modification, use actual devices as the target devices. More Details >>
- No：22930
- Release Date：2018/09/03 17:30
- Category： Engineering Software
Simultaneous broadcast reception setting for built-in Ethernet port LCPU

To receive simultaneous broadcast using UDP, set the parameters as follows. - Destination IP Address: FF.FF.FF.FFh - Destination Port No.: Other than FFFFh (... More Details >>
- No：22772
- Release Date：2018/09/03 17:30
- Category： MELSEC-L 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
Accessing file registers from the built-in Ethernet port QCPU using A-compatible 1E frames

The QnUDE(H)CPU modules with serial numbers with upper 5 digits of "14112" or later indicate compatibility with the function. The accessible device range is ... More Details >>
- No：22645
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Q series device data held in the case of a power failure

The data in the devices assigned to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> [Device Setting] window) is held when a pow... More Details >>
- No：22638
- Release Date：2018/09/03 17:29
- Update：2018/09/21 11:37
- Category： MELSEC-Q Series
Creating comments both in English and in Japanese

Create global device comments and local device comments in respective languages.The device comments can be switched in [Options] -> [Tool]. More Details >>
- No：22620
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Database function of the MELSEC iQ-R series

You can manage tabular data including product information and production information as a database in a programmable controller. By accessing the database w... More Details >>
- No：22477
- Release Date：2018/09/03 17:28
- Update：2018/09/19 14:53
- Category： MELSEC iQ-R Series
Regarding updating the FX5U/FX5UC CPU module to firmware version “1.100 ” or later

To update to firmware version “1.100 ” or higher, you need a product with serial number (S/N) or higher listed below. ・FX5UC-32MT/DS-TS and FX5UC-32MT/DSS-T... More Details >>
- No：44623
- Release Date：2024/11/28 16:14
- Category： MELSEC iQ-F Series , CPU Module

661-670 of Total 1010

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