Use the string comparison instructions LD$□, AND$□, OR$□. □contains =, <>, >, < =, <, > =.

Check that the RST instruction of the high-speed counter is not executed while the program is running. For the high-spee

The error code "2110" is "SP.UNIT ERROR.". This error may be caused by one of the following factors. (1) The module tha

Follow the steps below and then execute PLC type change.- On the menu of GX Developer, select [Online] -> [Monitor] -

Although the connection with FX2N series I/O modules, FX2 series intelligent function modules, and FX3 series special ad

While the module configuration window is being displayed, the I/O assignment can be checked by selecting the following o

"The number of characters specified in the input label: i_uBodyLength (number of characters in the body) is different fr

Communication is possible with simple CPU communication function of FX5 CPU, FX5-ENET, FX5-ENET/IP modules. ※FX5U and FX

On the Project view of the Navigation window, select "Parameter" → "PLC Parameter" using GX Works2 (or GX Developer). Cl

The default receive complete code is CR+LF (0DH, 0AH). The default received data count is 511 words. Hence, at their def

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(672)

CPU Module(185)
I/O Module(5)
Analog(16)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

131-140 of Total 1023

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Regarding comparison of Strings

Use the string comparison instructions LD$□, AND$□, OR$□. □contains =, <>, >, < =, <, > =. More Details >>
- No：39355
- Release Date：2023/02/15 13:03
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Counting of a built-in high-speed counter

Check that the RST instruction ofthe high-speed counter is not executed whilethe program is running. Forthe high-speed counter which supports the external r... More Details >>
- No：24787
- Release Date：2019/02/28 09:06
- Category： MELSEC-F Series , Engineering Software , Main Unit
Error code "2110" in QCPU

The error code "2110" is "SP.UNIT ERROR.". This error may be caused by one of the following factors. (1) The module that has been specified by a FROM/TO i... More Details >>
- No：22662
- Release Date：2018/09/03 17:29
- Update：2018/09/21 13:48
- Category： MELSEC-Q Series
PLC type change in GX Developer

Follow the steps below and then execute PLC type change.- On the menu of GX Developer, select [Online] -> [Monitor] -> [Stop Monitoring (All Windows)],... More Details >>
- No：22522
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
Regardng compatability with other product series

Although the connection with FX2N series I/O modules, FX2 series intelligent function modules, and FX3 series special adater is not possible, FX3 series inte... More Details >>
- No：22309
- Release Date：2018/08/30 13:55
- Update：2022/12/22 09:46
- Category： MELSEC iQ-F Series , CPU Module , I/O Module
Regarding I/O assignment on the module configuration diagram of GX Works3

While the module configuration window is being displayed, the I/O assignment can be checked by selecting the following options from the menu bar: [Edit]→[X... More Details >>
- No：22307
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:25
- Category： CPU Module , I/O Module , Engineering Software
Regarding Error code H1968 of FX5-ENET Mail send FB

"The number of characters specified in the input label: i_uBodyLength (number of characters in the body) is different from the number of characters in the bo... More Details >>
- No：44607
- Release Date：2024/11/28 16:12
- Category： MELSEC iQ-F Series , Network/Communication
Regarding connection through a MODBUS/TCP Gateway

Communication is possible with simple CPU communication function of FX5CPU, FX5-ENET, FX5-ENET/IP modules. ※FX5U and FX5UC CPU modules with firmware version... More Details >>
- No：39343
- Release Date：2023/01/12 17:05
- Update：2023/06/23 11:13
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Externally switching the operating status of a programmable controller

On the Project view of the Navigation window, select "Parameter" → "PLC Parameter" using GX Works2 (or GX Developer). Click the "PLC System(1)" tab, and set ... More Details >>
- No：24768
- Release Date：2019/02/27 15:01
- Category： MELSEC-F Series , Engineering Software , Main Unit
Reception data read request signal of QJ71C24N not turn ON

The default receive complete code is CR+LF (0DH, 0AH). The default received data count is 511 words. Hence, at their defaults, Reception data read request si... More Details >>
- No：22984
- Release Date：2018/09/03 17:31
- Update：2018/09/25 17:22
- Category： Network related products

131-140 of Total 1023

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