It is not possible to convert to GX Works2 format.

The error code indicates a WDT (watchdog timer) error. It is determined as the cause that the MELSECNET/H driver cannot

Check the serial number of the built-in Ethernet port QCPU in use. The Built-in Ethernet port QCPU modules with serial n

Accessible numbers of devices in one message are shown below.- 2000 coils and inputs for reading- 125 input registers an

Parameters can be set when connecting the MELSEC iQ-F series with FX5-CCL-MS(CC-Link system master/intelligent device).

When used as a master station, communication with a slave station can be performed using the simple CPU communication or

It can be changed. For example, with the positioning instruction, a word device can be assigned to the operand which sp

When a coil of the high-speed counter or an interrupt pointer is programmed, the programmable controller system adjusts

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Programmable Controllers MELSEC

MELSEC iQ-R Series(45)
MELSEC iQ-F Series(643)

CPU Module(179)
I/O Module(5)
Analog(16)
High-Speed Counter(14)
Motion/Positioning(11)
Network/Communication(97)
Option(9)
Engineering Software(61)
Safety Control(1)

Engineering Software(129)

FAQ within [ Programmable Controllers MELSEC ]

121-130 of Total 1010

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Regarding Data Register Byte Splitting

Use the WTOB instruction. More Details >>
- No：40022
- Release Date：2023/08/24 14:32
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding Project Conversion

It is not possible to convert to GX Works2 format. More Details >>
- No：39326
- Release Date：2023/02/14 09:03
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Remedies for WDT errors on a MELSECNET/H board

The error code indicates a WDT (watchdog timer) error. It is determined as the cause that the MELSECNET/H driver cannot work due to a computer or OS hang, or... More Details >>
- No：22969
- Release Date：2018/09/03 17:31
- Category： Network related products
Use of an A-compatible 1E frame for the built-in Ethernet port of the built-in Ethernet port QCPU

Check the serial number of the built-in Ethernet port QCPU in use. The Built-in Ethernet port QCPU modules with serial numbers with upper 5 digits of "13102"... More Details >>
- No：22676
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Numbers of devices the automatic communication parameter of the MODBUS(R) interface module accept for writing and reading

Accessible numbers of devices in one message are shown below.- 2000 coils and inputs for reading- 125 input registers and holding registers for reading- 1968... More Details >>
- No：22668
- Release Date：2018/09/03 17:29
- Category： MELSEC-Q Series
Maximum apparent power of the power supplies of Q00JCPU and Q00UJCPU

Both are 105 VA. More Details >>
- No：22538
- Release Date：2018/09/03 17:28
- Category： MELSEC-Q Series
Regarding CC-Link settings using GX Works3

Parameters can be set when connecting the MELSEC iQ-F series with FX5-CCL-MS(CC-Link system master/intelligent device). However, when connecting with FX3U-1... More Details >>
- No：22317
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:19
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software , Network/Communication
Regarding MODBUS/TCP communication of the built-in Ethernet port

When used as a master station, communication with a slave station can be performed using the simple CPU communication or the predefined protocol support func... More Details >>
- No：22302
- Release Date：2018/08/30 13:55
- Update：2022/12/22 08:52
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding address change of positioning operation.

It can be changed. For example, with the positioning instruction, a word device can be assigned to the operand which specifies the positioning address and t... More Details >>
- No：22298
- Release Date：2018/08/30 13:55
- Update：2023/02/14 09:53
- Category： MELSEC iQ-F Series , CPU Module , Motion/Positioning
Input filter adjustment when a high-speed counter or the interrupt function is used

When a coil of the high-speed counter or an interrupt pointer is programmed, the programmable controller system adjusts the filter constant of the correspond... More Details >>
- No：24867
- Release Date：2019/04/15 08:06
- Category： MELSEC-F Series , High-Speed Counter

121-130 of Total 1010

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