As project data, up to 32 one-byte characters (16 two-byte characters) can be input to each global device comment. Howev

When a personal computer (GX Works2) is connected to the RS-232C port of a programmable controller, communications betwe

The error code "2400" is "FILE SET ERROR".It may be determined as the cause of the error that the file that has been spe

The maximum frequency of the FX5U/FX5UC CPU module is 200kHz and the maximum frequency of the FX5S/FX5UJ CPU module is 1

The main units with Ver.2.00 or later can read and write programs of the FX3 series connected to the intelligent device

This function allows data communications between specified devices at the specified timing, using the built-in Ethernet.

When multiple ADPRW instructions are simultaneously executed, communication by the ADPRW command that was executed earli

Select [Tool] -> [Confirm Memory Size] to check the amount.

There are three types of parameters in GX Works3; "System parameter", "CPU parameter", and "Module parameter". You can s

Power off and on the programmable controller again after the communication setting is changed.

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
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CPU Module(185)
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Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

151-160 of Total 1023

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Maximum number of characters in a comment that can be transferred to a FX3U series

As project data, up to 32 one-byte characters (16 two-byte characters) can be input to each global device comment. However, the maximum number of characters ... More Details >>
- No：24700
- Release Date：2019/02/27 08:59
- Category： MELSEC-F Series , Engineering Software , Main Unit
Communications with a personal computer after the communication parameters for the RS-232C communication equipment are set

When a personal computer (GX Works2) is connected to the RS-232C port of a programmable controller, communications between the personal computer and the prog... More Details >>
- No：24782
- Release Date：2019/02/27 16:10
- Category： MELSEC-F Series , Engineering Software , Main Unit
Error code "2400" in QCPU

The error code "2400" is "FILE SET ERROR".It may be determined as the cause of the error that the file that has been specified by a parameter does not exist.... More Details >>
- No：22703
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Regarding the frequency of high-speed counters

The maximum frequency of the FX5U/FX5UC CPU module is 200kHz and the maximum frequency of the FX5S/FX5UJ CPU module is 100 kHz. More Details >>
- No：22312
- Release Date：2018/08/30 13:55
- Update：2022/12/22 10:18
- Category： MELSEC iQ-F Series , CPU Module , High-Speed Counter
Supported versions of the FX3G/FX3GC series main units for accessing the other station from CC-Link using the FX3U-16CCL-M CC-Link master block

The main units with Ver.2.00 or later can read and write programs of the FX3 series connected to the intelligent device station and can monitor devices. (GX... More Details >>
- No：24950
- Release Date：2019/04/18 14:27
- Category： MELSEC-F Series , Main Unit , Network/Communication
Simple PLC communication function

This function allows data communications between specified devices at the specified timing, using the built-in Ethernet. Device data such as production data ... More Details >>
- No：22737
- Release Date：2018/09/03 17:29
- Category： MELSEC-L Series
Regarding handling multiple executions of ADPRW Instructions

When multiple ADPRW instructions are simultaneously executed, communication by the ADPRW command that was executed earlier is completed and communication by ... More Details >>
- No：39354
- Release Date：2023/02/15 10:17
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Checking the amount of free space of the memory in GX Developer/GX Works2

Select [Tool] -> [Confirm Memory Size] to check the amount. More Details >>
- No：22851
- Release Date：2018/09/03 17:30
- Category： Engineering Software
Parameters of GX Works3

There are three types of parameters in GX Works3; "System parameter", "CPU parameter", and "Module parameter". You can set the following items with each par... More Details >>
- No：22483
- Release Date：2018/09/03 17:28
- Update：2018/09/19 16:08
- Category： MELSEC iQ-R Series
Reflecting the changes in the communication setting

Power off and on the programmable controller again after the communication setting is changed. More Details >>
- No：25006
- Release Date：2019/04/23 11:11
- Category： MELSEC-F Series , Engineering Software , Main Unit

151-160 of Total 1023

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