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

There is no problem in writing/reading data into/from the buffer memory using a FROM/TO instruction with the refresh dev

A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave sta

Since they are octal, the number after Y7 is Y10 and after Y77 is Y100.

The slave stations cannot be assigned to X/Y numbers. Use the auxiliary relay M.

Since the FX3U series does not support the FX-20P, available device ranges are within the range of the FX2N. ("R" device

The FX5 CPU module does not support CAN communication.

The maximum link points of the FX5-CCLIEF are 384 points each for RX/RY and 1024 points each for RWw/RWr.

You can't program it with the ladder program alone. To use the MQTT communication and email functions, you must use the

Because the AWS IoT Core specification is the TLS protocol, you cannot connect using the TCP protocol.

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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FAQ within [ Programmable Controllers MELSEC ]

321-330 of Total 1023

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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
Read and write operations for CC-Link buffer memory

There is no problem in writing/reading data into/from the buffer memory using a FROM/TO instruction with the refresh device setting left blank.The refresh de... More Details >>
- No：23015
- Release Date：2018/09/03 17:31
- Category： Network related products
What makes the ERR LED flash in a CC-Link network

A link error has occurred in one of the slave stations in connection.Master station: Check the parameter again.Slave station: Reassess the power supply, the ... More Details >>
- No：23023
- Release Date：2018/09/03 17:31
- Category： Network related products
Output numbers of the FX programmable controllers

Since they are octal, the number after Y7 is Y10 and after Y77 is Y100. More Details >>
- No：24946
- Release Date：2019/04/18 14:26
- Category： MELSEC-F Series
Bit assignment of CC-Link

The slave stations cannot be assigned to X/Y numbers. Use the auxiliary relay M. More Details >>
- No：24982
- Release Date：2019/04/23 07:21
- Category： MELSEC-F Series , Network/Communication
Input of the R device of the FX3U series in the FX-20P

Since the FX3U series does not support the FX-20P, available device ranges are within the range of the FX2N. ("R" devices do not exist in the FX2N.) The ha... More Details >>
- No：24989
- Release Date：2019/04/23 10:37
- Category： MELSEC-F Series , Accessories
Regarding CAN Communication

The FX5 CPU module does not support CAN communication. More Details >>
- No：39286
- Release Date：2023/02/13 15:36
- Category： MELSEC iQ-F Series , Network/Communication
Regarding FX5-CCLIEF Maximum Link Points

The maximum link points of the FX5-CCLIEF are 384 points each for RX/RY and 1024 points each for RWw/RWr. More Details >>
- No：40020
- Release Date：2023/08/24 14:31
- Category： MELSEC iQ-F Series , Network/Communication
Regarding the MQTT Communication Function Publish Program

You can't program it with the ladder program alone. To use the MQTT communication and email functions, you must use the module FB and program it. More Details >>
- No：40051
- Release Date：2023/08/25 11:48
- Category： MELSEC iQ-F Series , Network/Communication
Regarding connecting to AWS IoT Core Using the TCP Protocol

Because the AWS IoT Core specification is the TLS protocol, you cannot connect using the TCP protocol. More Details >>
- No：44344
- Release Date：2024/03/20 13:37
- Category： MELSEC iQ-F Series , Network/Communication

321-330 of Total 1023

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