Communication is possible with simple CPU communication function of FX5 CPU, FX5-ENET, FX5-ENET/IP modules. ※FX5U and FX

For FX5U/FX5UC CPU module, firmware version 1.110 or later is supported. For the FX5UJ/FX5S CPU module, it is compatible

Multiple connections can be established by using a switching hub.

FX5U CPU module has 2 built-in voltage input channels (DC0～10V) and 1 built-in voltage output channel (DC0～10V). If an e

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

GX Developer/GX Works2 cannot be used. MELSEC iQ-F series only supports GX Works3.

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

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

The current value of the scan time is stored in the following special devices. Please monitor using GX Works3. ◇Scan inf

In 8-bit mode, the upper 8 bits of transmitted and received data are ignored and only the lower 8 bits are valid data.

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FAQ > Controllers > Programmable Controllers MELSEC > MELSEC iQ-F Series > CPU Module

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FAQ within [ CPU Module ]

41-50 of Total 185

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Regarding connection through a MODBUS/TCP Gateway

Communication is possible with simple CPU communication function of FX5CPU, FX5-ENET, FX5-ENET/IP modules. ※FX5U and FX5UC CPU modules with firmware version... More Details >>
- No：39343
- Release Date：2023/01/12 17:05
- Update：2023/06/23 11:13
Regarding the supported version of the simple CPU communication function

For FX5U/FX5UC CPU module, firmware version 1.110 or later is supported. For the FX5UJ/FX5S CPU module, it is compatible from the first one. More Details >>
- No：39316
- Release Date：2023/02/14 08:56
Regarding the method to connect with multiple devices via Ethernet port

Multiple connections can be established by using a switching hub. More Details >>
- No：22321
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:26
Regarding the built-in analog input/output function

FX5U CPU module has 2 built-in voltage input channels (DC0～10V) and 1 built-in voltage output channel (DC0～10V). If an external resister is connected, the m... More Details >>
- No：22313
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:47
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
Regarding the compatible programming tool

GX Developer/GX Works2 cannot be used. MELSEC iQ-F series only supports GX Works3. More Details >>
- No：22292
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:34
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
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
Regarding the method to check the scan time

The current value of the scan time is stored in the following special devices. Please monitor using GX Works3. ◇Scan information 　SD520　Current scan time (... More Details >>
- No：22289
- Release Date：2018/08/30 13:55
- Update：2023/06/23 10:20
Regarding differences between 8 bit and 16 bit modes for non-protocol communication

In 8-bit mode, the upper 8 bits of transmitted and received data are ignored and only the lower 8 bits are valid data. In 16 bit mode, send/receive data i... More Details >>
- No：39363
- Release Date：2023/02/15 13:04

41-50 of Total 185

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