MELSOFT Library

Web server function library

This library is for the Web server function. This library is supported by the following CPU module firmware versions.
  R00/01/02CPU: Firmware version 5 or later
  R04/08/16/32/120CPU, R04/08/16/32/120ENCPU (CPU part): Firmware version 35 or later
For details, refer to CPU module firmware version supporting the system Web page/user Web page.

Applicable model R00CPU*, R01CPU, R02CPU, R04CPU, R08CPU, R16CPU, R32CPU, R120CPU, R04ENCPU, R08ENCPU, R16ENCPU, R32ENCPU, R120ENCPU
*: This does not support the user Web page objects.
Name Version Size (byte) Last update File for download
System Web page 1.07 208,327 Apr. 26, 2021 cpu-system_web_r_v107.zip
System Web page 1.06 150,392 Jan. 29, 2021 cpu-system_web_r_v106.zip
System Web page 1.05 820,412 Oct. 29, 2020 cpu-system_web_r_v105.zip
System Web page 1.04 441,443 May 29, 2020 cpu-system_web_r_v104.zip
User Web page object 1.02 30,496 May 29, 2020 cpu-user_web_r_v102.zip
System Web page 1.03 385,832 Oct. 31, 2019 cpu-system_web_r_v103.zip
System Web page 1.02 193,391 May 13, 2019 cpu-system_web_r_v102.zip
User Web page object 1.01 30,813 May 13, 2019 cpu-user_web_r_v101.zip
System Web page 1.01 429,683 Oct. 31, 2018 cpu-system_web_r_v101.zip
User Web page object 1.00 29,936 Apr. 27, 2018 cpu-user_web_r_v100.zip
Folder name File name Description
cpu-system_web_r_v**** RWebFile_**_**.HVF This is the system Web page file. When using the Web server function, write this file to the CPU module.
**** indicates the version.
cpu-user_web_r WWW USER index.html This is the default page for the user Web page.
Log-in_User.html This is the login page for the user.
RUserWebLib.js This is the Javascript object library for the user Web page.
css UserWebStyle.css This is the default style sheet for the user Web page.
img sample.png This is the image object sample for the user Web page.

* When using the user Web page object, write the WWW folder to the SD memory card, and insert it to the CPU module.

Relevant manual Type Language
SH-081253-V MELSEC iQ-R Ethernetユーザーズマニュアル(応用編) Japanese
SH-081257ENG-T MELSEC iQ-R Ethernet User's Manual (Application) English
SH-081283CHN-I MELSEC iQ-R Ethernet User's Manual (Application) Chinese (simplified)
SH-081981-G MELSEC iQ-R/MELSEC iQ-F Webサーバ機能ガイドブック Japanese
SH-081982ENG-E MELSEC iQ-R/MELSEC iQ-F Web Server Function Guide Book English
SH-081983CHN-E MELSEC iQ-R/MELSEC iQ-F Web Server Function Guide Book Chinese (simplified)

  • CPU module firmware version supporting the system Web page
System Web page version CPU module firmware version
R00/01/02CPU R04/08/16/32/120CPU
R04/08/16/32/120ENCPU (CPU part)
1.07 24 or later 57 or later
1.06 22 or later 55 or later
1.05 21 or later 53 or later
1.04 18 or later 50 or later
1.03 14 or later 46 or later
1.02 11 or later 43 or later
1.01 05 or later 35 or later
  • CPU module firmware version supporting the user Web page
User Web page version CPU module firmware version
R01/02CPU R04/08/16/32/120CPU
R04/08/16/32/120ENCPU (CPU part)
1.02 18 or later 50 or later
1.01 11 or later 43 or later
1.00 05 or later 35 or later


[Improvement history of the user Web page from Ver.1.01 to Ver.1.02 (April, 2020)]


【How to use】

■System Web page

  1. Write the parameter for which the [Module Parameter] setting of the CPU module has been configured as shown below with GX Works3.
    ・Set "IP Address" in [Basic Settings].
    ・Set "Web Server Settings" in [Application Settings].
  2. Power off and on, or perform Reset and release Reset.
  3. Access the CPU module from the browser of the personal computer. (Specify "http://IP address of the CPU module: port number specified in the parameter setting" in the URL.)
  4. The system Web page writing screen is displayed on the browser. Write the system Web page file to the CPU module.
  5. After completion of writing in the step 4, the system Web page is displayed.


■User Web page object
After performing the above procedure for using the system Web page, follow the procedure below.

  1. Edit index.html. (Since a sample code is written, editing the HTML is not necessary.)
  2. Write the WWW folder to the SD memory card. (Write it to the root folder.)
  3. Insert the SD memory card to the CPU module.
  4. Access the CPU module from the browser of the personal computer. (Specify "http://IP address of the CPU module: port number specified in the parameter settings/USER/index.html" in the URL.)


For details on the usage, refer to the relevant manuals.


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