Select [View] -> [Cross reference window] from the menu in GX Developer to display the cross reference window.

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

Octal numbers are assigned as input/output numbers for the MELSEC-F series. The octal number system uses the digits from

One FX3U-ENET-ADP can be connected at the last stage (left end) of adapters for the FX3U series. *The FX3U-ENET-ADP is a

It means an instruction that handles BIN 16 bit and BIN 32 bit unsigned data. Example:ADD _ U

From the [Module] tab ⇒ [Module FB] in the [Element Selection] window of GX Works3, drag and drop the Module FB you want

For TCP protocol of SLMP communication, KeepAlive is fixed and cannot be changed. In the case of UDP protocol, it is fix

When an SET instruction and RST instruction use a single device, no duplicated coil error is detected.

The constant scan initial value in the simulation function is 100ms. Thus, the value of SM410(0.1sec. clock) is OFF in e

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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 ]

801-810 of Total 1023

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The cross reference window is not displayed.

Select [View]-> [Cross reference window] from the menu in GX Developer to display the cross reference window. More Details >>
- No：22951
- Release Date：2018/09/03 17:30
- Update：2018/09/25 11:54
- Category： Engineering Software
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
Assignment of input/output numbers (MELSEC-F series)

Octal numbers are assigned as input/output numbers for the MELSEC-F series. The octal number system uses the digits from 0 to 7 → from 10 to 17 → from 20 to... More Details >>
- No：24868
- Release Date：2019/04/15 08:06
- Category： MELSEC-F Series , Engineering Software , Main Unit
Number of FX3U-ENET-ADP Ethernet communication special adapters that can be connected to the FX3U series

One FX3U-ENET-ADP can be connected at the last stage (left end) of adapters for the FX3U series. *The FX3U-ENET-ADP is a communication special adapter and o... More Details >>
- No：24912
- Release Date：2019/04/17 11:39
- Category： MELSEC-F Series , Main Unit
Regarding Open/Close Socket Communications

No need. More Details >>
- No：39288
- Release Date：2023/02/13 15:36
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding "_ U" in Application Instruction

It means an instruction that handles BIN 16 bit and BIN 32 bit unsigned data. Example:ADD _ U More Details >>
- No：39295
- Release Date：2023/02/13 16:37
- Category： MELSEC iQ-F Series , CPU Module
Regarding Using Module FB

From the [Module] tab ⇒ [Module FB] in the [Element Selection] window of GX Works3, drag and drop the Module FB you want to use to the program editor. More Details >>
- No：44606
- Release Date：2024/11/28 16:11
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding KeepAlive for SLMP Communication

For TCP protocol of SLMP communication, KeepAlive is fixed and cannot be changed. In the case of UDP protocol, it is fixed to not perform a keep-alive check. More Details >>
- No：45477
- Release Date：2025/11/12 13:37
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Duplicated coil errors that can be checked with GX Works3

When an SET instruction and RST instruction use a single device, no duplicated coil error is detected. More Details >>
- No：22456
- Release Date：2018/09/03 17:28
- Update：2018/09/20 13:33
- Category： MELSEC iQ-R Series
Behavior of special relay in simulation

The constant scan initial value in the simulation function is 100ms. Thus, the value of SM410(0.1sec. clock) is OFF in each scan. To turn ON/OFF SM410, set ... More Details >>
- No：22521
- Release Date：2018/09/03 17:28
- Update：2018/09/20 14:23
- Category： MELSEC-Q Series

801-810 of Total 1023

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