No need. The MODBUS device allocation settings are used when the MODBUS slave function is used.

Up to 6 devices can be connected. Extension adapters/boards (Max. 2 units) + analog extension adapters (Max. 4 units).

We recommend you to connect a diode for commutation to the DC load, and surge absorber (C-R) to the AC load for the prot

The FX3U-20SSC-H (differential line driver), FX2N-10PG (differential line driver or open collector: only 5 V type), and

The data link status is stored in SW80 to SW83.Each bit corresponds to a station number and a bit turns ON if the corres

If the remote net Ver.1 mode is used, each station number is given fixed buffer memory addresses.If the remote net Ver.2

The resistance value is 110 ohm, 1/2 W.

Function blocks can be dragged and dropped into the program main body of the program block, and become available in the

To open a GX Developer project, select [Project] -> [Open Other Data] -> [Open Other Project] from the menu of GX

Check the following. - Whether the external device specifies the port number of the corresponding connection to the L s

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(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 ]

561-570 of Total 1010

prev 57 / 101page next

Regarding MODBUS Device Allocation Settings

No need. The MODBUS device allocation settings are used when the MODBUS slave function is used. More Details >>
- No：40026
- Release Date：2023/08/24 14:37
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding the number of expansion adapters and expansion board connections for FX5S CPU module

Up to 6 devices can be connected. Extension adapters/boards (Max. 2 units) + analog extension adapters (Max. 4 units). *Using an SD memory card module ... More Details >>
- No：39336
- Release Date：2023/02/14 17:13
- Category： MELSEC iQ-F Series , CPU Module
Protection components of relay contacts

We recommend you to connecta diode for commutation to the DC load, and surge absorber (C-R) to the AC load for the protection of the relay contacts. More Details >>
- No：24999
- Release Date：2019/04/23 10:39
- Category： MELSEC-F Series , Main Unit
Positioning blocks/module that can be connected with a manual pulse generator

The FX3U-20SSC-H (differential line driver), FX2N-10PG (differential line driver or open collector: only 5 V type), and FX2N-10GM/FX2N-20GM (open collector) ... More Details >>
- No：24886
- Release Date：2019/04/15 08:07
- Category： MELSEC-F Series , Positioning Control
How to check link errors in CC-Link slave stations

The data link status is stored in SW80 to SW83.Each bit corresponds to a station number and a bit turns ON if the corresponding station causes a data link er... More Details >>
- No：23031
- Release Date：2018/09/03 17:31
- Category： Network related products
Buffer memory addresses of CC-Link modules

If the remote net Ver.1 mode is used, each station number is given fixed buffer memory addresses.If the remote net Ver.2 mode is used, different buffer memor... More Details >>
- No：22992
- Release Date：2018/09/03 17:31
- Category： Network related products
Terminating resistors for RS-485 communication of QJ71C24N

The resistance value is 110 ohm, 1/2 W. More Details >>
- No：22978
- Release Date：2018/09/03 17:31
- Update：2018/10/03 15:48
- Category： Network related products
Dragging and dropping function blocks in a structured project

Function blocks can be dragged and dropped into the program main body of the program block, and become available in the program. More Details >>
- No：22910
- Release Date：2018/09/03 17:30
- Category： Engineering Software
Opening SFC programs in GX Works2

To open a GX Developer project, select [Project] -> [Open Other Data] -> [Open Other Project] from the menu of GX Works2. More Details >>
- No：22878
- Release Date：2018/09/03 17:30
- Category： Engineering Software
Causes to why SD1286 does not turn on during socket communication of LCPU

Check the following. - Whether the external device specifies the port number of the corresponding connection to the L series CPU. - In the TCP fixed-length... More Details >>
- No：22787
- Release Date：2018/09/03 17:30
- Update：2018/09/22 11:51
- Category： MELSEC-L Series

561-570 of Total 1010

Inquiries

page top