To rewrite the current value, arbitrary values can be written using the DHCMOV instruction. (Example) Set the current v

In GX Works3, [Tools] - [Options] - [Conversion] - [Online Program Change], set "Execute Online Program Change in Conver

From the following menu of GX Works3: [Diagnostics]→[Module Diagnostics(CPU Diagnostics)] the event history function can

MODBUS serial communication over multiple communication channels is possible. The MODBUS serial communication settings c

Ethernet standard-compatible cable, category 5 or higher (STP cable) can be used. *Straight cable can be used. When conn

32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used.

The maximum number of connections for the simple CPU communication function of FX5 CPU module is 16 for FX5U/FX5UC CPU m

The connection using the Ethernet port can establish a total of 8 connections which includes SLMP, MELSOFT connection, M

You can monitor buffer memory values in the Ladder Editor by setting in GX Works3 >Tools >Options > Monitor &gt

You can check the MAC address from the name plate on the side of the CPU module or by the Module diagnostics (CPU diagno

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MELSEC iQ-F Series

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FAQ within [ MELSEC iQ-F Series ]

241-250 of Total 266

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Regarding changing the current value of the high-speed counter.

To rewrite the current value, arbitrary values can be written using the DHCMOV instruction. (Example) Set the current value of the high-speed counter ch1 ... More Details >>
- No：22303
- Release Date：2018/08/30 13:55
- Update：2023/02/06 17:05
- Category： MELSEC iQ-F Series , CPU Module , High-Speed Counter
Regarding How to release Online Program Change

In GX Works3, [Tools] - [Options] - [Conversion] - [Online Program Change], set "Execute Online Program Change in Converting" to "No." More Details >>
- No：44876
- Release Date：2025/03/18 10:26
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding the error history

From the following menu of GX Works3: [Diagnostics]→[Module Diagnostics(CPU Diagnostics)] the event history function can be found. The event history can dis... More Details >>
- No：22305
- Release Date：2018/08/30 13:55
- Update：2023/02/13 11:37
- Category： MELSEC iQ-F Series , CPU Module , Engineering Software
Regarding expansion of communication ports

MODBUS serial communication over multiple communication channels is possible. The MODBUS serial communication settings can be set from GX Works3 parameters. More Details >>
- No：22323
- Release Date：2018/08/30 13:55
- Update：2025/11/11 14:20
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding the type of Ethernet connection cable

Ethernet standard-compatible cable, category 5 or higher (STP cable) can be used. *Straight cable can be used. When connecting directly to the computer, cr... More Details >>
- No：22295
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:23
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding the maximum number of connections for MODBUS communication

32 stations can be connected when RS-485 port is used and only 1 station can be connected when RS-232 port is used. More Details >>
- No：22324
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:49
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding maximum number of connections for the simple CPU communication function

The maximum number of connections for the simple CPU communication function of FX5 CPU module is 16 for FX5U/FX5UC CPU module and 8 for FX5UJ/FX5S CPU module... More Details >>
- No：40032
- Release Date：2023/08/24 15:37
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding the specifications of the built-in Ethernet function of FX5 CPU module

The connection using the Ethernet port can establish a total of 8 connections which includes SLMP, MELSOFT connection, MODBUS/TCP, socket communication, and ... More Details >>
- No：22320
- Release Date：2018/08/30 13:55
- Update：2023/07/04 15:52
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication
Regarding how to Monitor Buffer Memory Values

You can monitor buffer memory values in the Ladder Editor by setting in GX Works3 >Tools >Options > Monitor > Common Item > Monitor Buffer Mem... More Details >>
- No：39324
- Release Date：2023/01/12 16:56
- Category： MELSEC iQ-F Series , CPU Module
Regarding how to check MAC Addresses

You can check the MAC address from the name plate on the side of the CPU module or by the Module diagnostics (CPU diagnostics) of GX Works3. More Details >>
- No：39294
- Release Date：2023/02/13 15:37
- Category： MELSEC iQ-F Series , CPU Module , Network/Communication

241-250 of Total 266

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