The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on

Specify the target memory in the Read from PLC window and execute reading.

Set Target Memory to "Standard RAM" in the Read from PLC window to select a file register file.

The difference is I/O numbers used for input and output (XY). QH42P uses the same I/O numbers both for input and output.

You can use a Q series 18-point screw terminal block with a MELSEC iQ-R series terminal block type I/O module or analog

Battery: FX3U-32BL is not required for device back up.The battery is used to store clock data.

The built-in motion function of the MX-F Model is programmed using motion control FB, wheareas the FX5-40/80SSC-G of the

The connection cable is GT01-C30R4-8P. The FX5U CPU module does not have an RS422 port, so you will need to add an FX5-4

The following restrictions apply to the external input/output forced ON/OFF function. ・Since RUN contact setting is RUN/

Device comments can not be output to data logging files.

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Controllers

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

Controllers

Programmable Automation Controllers MELSEC(28)

MELSEC MX Controller MX-R Model
MELSEC MX Controller MX-F Model(28)
MELSEC MX Controller Engineering Software
Programmable Controllers MELSEC(1731)

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(672)
MELSEC-Q Series(213)
MELSEC-L Series(105)
MELSEC-F Series(457)
Network related products(110)
Engineering Software(129)

Motion Controllers(414)

MELSEC iQ-R Series(73)
MELSEC iQ-F Series(29)
MELSEC-Q Series(247)
MELSEC-L Series(64)
Engneering software(1)

FAQ within [ Controllers ]

941-950 of Total 1123

prev 95 / 113page next

Using the automatic communication function and dedicated instructions at the same time in MODBUS (R) interface module (QJ71MB91)

The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on the same channel. However, when the... More Details >>
- No：22577
- Release Date：2018/09/03 17:29
- Update：2018/09/20 17:06
- Category： MELSEC-Q Series
How to read device data and file registers in Q series

Specify the target memory in the Read from PLC window and execute reading. More Details >>
- No：22564
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Reading file registers in the standard RAM

Set Target Memory to "Standard RAM" in the Read from PLC window to select a file register file. More Details >>
- No：22552
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
Difference between QH42P and QX41Y41P

The difference is I/O numbers used for input and output (XY). QH42P uses the same I/O numbers both for input and output. QX41Y41P uses sequential I/O numbers... More Details >>
- No：22539
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
Using Q series terminal blocks and connectors with MELSEC iQ-R series modules

You can use a Q series 18-point screw terminal block with a MELSEC iQ-R series terminal block type I/O module or analog module. For a 40-pin connector type ... More Details >>
- No：22474
- Release Date：2018/09/03 17:28
- Update：2018/09/19 14:37
- Category： MELSEC iQ-R Series
Regarding maintaining device back up

Battery: FX3U-32BL is not required for device back up.The battery is used to store clock data. More Details >>
- No：44976
- Release Date：2025/05/08 09:07
- Category： MELSEC MX Controller MX-F Model
Regarding the built-in motion function

The built-in motion function of the MX-F Model is programmed using motion control FB, wheareas the FX5-40/80SSC-G of the iQ-F series is programmed using buff... More Details >>
- No：44970
- Release Date：2025/06/18 14:38
- Category： MELSEC MX Controller MX-F Model
Regarding reuse of GOT connector cable when replacing with FX5 CPU module

The connection cable is GT01-C30R4-8P. The FX5U CPU module does not have an RS422 port, so you will need to add an FX5-422-BD-GOT. More Details >>
- No：44615
- Release Date：2024/11/28 16:13
- Category： MELSEC iQ-F Series , CPU Module
Regarding restrictions on the external input/output forced ON/OFF function

The following restrictions apply to the external input/output forced ON/OFF function. ・Since RUN contact setting is RUN/STOP by external signal, forced ON/O... More Details >>
- No：44332
- Release Date：2024/03/20 12:58
- Category： MELSEC iQ-F Series , CPU Module
Regarding device comment output to Data Logging Files

Device comments can not be output to data logging files. More Details >>
- No：39321
- Release Date：2023/02/14 09:00
- Category： MELSEC iQ-F Series , CPU Module

941-950 of Total 1123

Inquiries

page top