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

The communication format can be set in the communication setting of a sequence program or "PLC Parameter setting" using

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

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

Standard counters offer counting up to 10Hz. For high-speed input signals which exceed 10Hz, use high-speed counters, in

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

If the OUT instruction using the device number of the latch target device exists in a sequence program, the latched data

Check whether the lamp is back to normal after disconnecting the wiring of the "24V" (service power supply) terminal. If

The device memory data cannot be stored in a memory cassette. In the FX3U/FX3UC series, a part of device memory data can

A battery is consumed regardless of the on/off state of the programmable controller. Refer to the User's Manual (Hardwar

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MELSEC-F Series

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FAQ within [ MELSEC-F Series ]

61-70 of Total 198

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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
Communication format setting

The communication format can be set in the communication setting of a sequence program or "PLC Parameter setting" using GX Developer. To avoid setting troub... More Details >>
- No：24929
- Release Date：2019/04/17 11:42
- Category： MELSEC-F Series , Engineering Software , Main Unit
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
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
Distinguishing the usage of standard counters and high-speed counters

Standard counters offer counting up to 10Hz. For high-speed input signals which exceed 10Hz, use high-speed counters,interruption function, or another proce... More Details >>
- No：24785
- Release Date：2019/02/27 16:31
- Category： MELSEC-F Series , Engineering Software , Main Unit
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
Data backup failure

If the OUT instruction using the device number of the latch target device exists in a sequence program, the latched data may be overwritten by execution of t... More Details >>
- No：24783
- Release Date：2019/02/27 16:16
- Category： MELSEC-F Series , Engineering Software , Main Unit
The power supply lamp of a running programmable controller suddenly turned off or flashes

Check whether the lamp is back to normalafter disconnecting the wiring of the "24V" (service power supply) terminal. Ifthe lamp is back to normal,the servic... More Details >>
- No：22267
- Release Date：2018/08/30 13:48
- Update：2019/02/19 11:53
- Category： MELSEC-F Series , Main Unit
Data that can be stored in a memory cassette (FX3U/FX3UC)

The device memory data cannot be stored in a memory cassette. In the FX3U/FX3UC series, a part of device memory data can be latched using a battery. The de... More Details >>
- No：24789
- Release Date：2019/02/28 09:07
- Category： MELSEC-F Series , Accessories
Battery consumption while the programmable controller is powered on

A battery is consumed regardless of the on/off state ofthe programmable controller. Refer to the User's Manual (Hardware Edition) for the module used, and r... More Details >>
- No：24687
- Release Date：2019/02/22 11:44
- Update：2019/02/22 15:22
- Category： MELSEC-F Series , Main Unit , Accessories

61-70 of Total 198

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