For TCP protocol of SLMP communication, KeepAlive is fixed and cannot be changed. In the case of UDP protocol, it is fix

The built-in Ethernet on the FX5 CPU module does not support CC-Link IE field networks. If you use a CC-Link IE field n

The iQ-F series does not support domain specification, so specify the IP address.

H3081 is caused by an analog ADP power failure and the analog ADP is not receiving power normally. The FX5-4A-ADP and FX

The QoS, Retain, Will, and Clean Session functions of the MQTT communication function can not be configured in buffer me

It cannot. Because there will be two CC-link IE field network Basic master stations in a network.

The digital output value is a digital value obtained by performing sampling processing or various average processing on

The current value of the high-speed counter is retained and will not be cleared.

Short between SDA and RDA and between SDB and RDB, and then connect them to + (Data-A) and - (Data-B) on the external de

You can create a program with "GX Works2" of MELSOFT applications.

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Controllers > Programmable Controllers MELSEC

FAQ

Inquiries

Keyword Search

You can search two or more words separated by a space.

 AND : Put a space between the words in a keyphrase.
 OR  : Add a vertical bar ( | ) between the words in a keyphrase.
 NOT : Add a minus sign ( - ) followed by the words that you would like to exclude.

Result Type

Text Search

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)
Network/Communication(106)
Option(9)
Engineering Software(62)
Safety Control(1)

Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

421-430 of Total 1023

prev 43 / 103page next

Regarding KeepAlive for SLMP Communication

For TCP protocol of SLMP communication, KeepAlive is fixed and cannot be changed. In the case of UDP protocol, it is fixed to not perform a keep-alive check. More Details >>
- No：45477
- Release Date：2025/11/12 13:37
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding CC-Link IE field network support of FX5 CPU module built-in Ethernet

The built-in Ethernet on the FX5 CPU module does not support CC-Link IE field networks. If you use a CC-Link IE field network, add an FX5-CCLIEF. *The FX5-... More Details >>
- No：44877
- Release Date：2025/03/18 10:30
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Reagrding specifying an FTP client domain

The iQ-F series does not support domain specification, so specify the IP address. More Details >>
- No：44359
- Release Date：2024/03/27 15:58
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding analog ADP Power Supply abnormalities

H3081 is caused by an analog ADP power failure and the analog ADP is not receiving power normally. The FX5-4A-ADP and FX5-4DA-ADP are adapters that require p... More Details >>
- No：44346
- Release Date：2024/03/27 15:27
- Category： MELSEC iQ-F Series , Analog
Regarding QoS, Retain, Will, and Clean Session Functions for MQTT Communications

The QoS, Retain, Will, and Clean Session functions of the MQTT communication function can not be configured in buffer memory. Module FB: M+FX5ENET. QoS ca... More Details >>
- No：40053
- Release Date：2023/08/25 09:21
- Category： MELSEC iQ-F Series , Network/Communication
Regarding Simple CPU communication function connection between CC-Link IE Field Network Basic masters within 1 network

It cannot. Because there will be two CC-link IE field network Basic master stations in a network. More Details >>
- No：39346
- Release Date：2023/02/15 10:05
- Update：2024/04/25 10:10
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding the difference between digital output values and digital operation values

The digital output value is a digital value obtained by performing sampling processing or various average processing on the A/D converted digital value. Dig... More Details >>
- No：39307
- Release Date：2023/02/13 16:43
- Category： MELSEC iQ-F Series , CPU Module , Analog
Regarding the driving contacts of high-speed counter instructions

The current value of the high-speed counter is retained and will not be cleared. More Details >>
- No：39304
- Release Date：2023/02/13 16:40
- Category： MELSEC iQ-F Series , CPU Module , High-Speed Counter
RS-485 connection between QJ71C24N and an external device

Short between SDA and RDA and between SDB and RDB, and then connect them to + (Data-A) and - (Data-B) on the external device. More Details >>
- No：22986
- Release Date：2018/09/03 17:31
- Category： Network related products
Programming for FX programmable controllers in ST language

You can create a program with "GX Works2" of MELSOFT applications. More Details >>
- No：22960
- Release Date：2018/09/03 17:31
- Category： Engineering Software

421-430 of Total 1023

Inquiries

page top