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I3KNX

Basics of work with i3 KNX

Basics of work with i3 KNX

KNX Home Server is a sofware-hardware complex developed to control KNX bus, setting is done with the help of i3 KNX app.

The documentation was updated on 22.7.2026

Attention: the i3 KNX app doesn't support connection via ipv6.

Apple iOS

Authorize on the AppStore using the Apple ID with which the application will work.

Installation from the "App Store" on iPad, iPhone, iPod touch:

Log in to your iTunes account (store) on your iOS device. Type "i3 KNX" in the search box and install the app.

From 04/25/2023, the i3 KNX app will be available in the App Store only from iOS version 11 and above.

For devices with iOS 14 and later, it's required to allow the app to access the local network in the following section Settings-> i3 KNX->Local network.

Allow access to all major functions of a device in the app settings (geolocation, microphone, camera, etc.) for i3 KNX to work correctly.

Access limitation (Guided Access)

Guided Access is «a mode of restricted use» of Apple iOS, a standard iOS option beginning with iOS 6.

The guided access allows you to lock the Home button so you could not leave the application. It also allows you to leave only a part of the screen active by limiting work with its areas. Setting up and removing of the guided access is performed using the code password. The lock screen and "sleep" remain active.

Setting:

Settings > General > Universal access > Guided access

The mode is useful when using iPad, iPhone, iPod touch as a panel in a shop, hotel, on a demo stand, in a show-room, at an expo, etc.

demonstration of the guided access on iPad:

see video >>

Google Android

The application is available for installation from Google Play or the iRidi web site:

• Installation from Google Play

Open Google Play on your Android device, find the i3 KNX app via Search and install it.

• Installation from iridi.com

If Google Play does not allow to install app ("The application is not supported by this device"):

1. Open the settings of your Android device.
2. Enable installation of third-party applications, the "Unknown sources" item. Usually this item is in the "Security > Device administration" section. But depending on the Android version it can be in another section, for example, "Applications".
3. Download the i3 KNX app .apk file from the iRidi website via the browser of your Android device.
4. Start installation of the application through the menu "Downloads" or from a file manager (for example, "File Expert").

You can also download and install the .apk application file on your PC and then download to the memory card of your Android device to install it using a file manager.

Allow access to all major functions of a device in the app settings (geolocation, microphone, camera, etc.) for i3 KNX to work correctly.

Access limitation (Kiosk-mode)

Detailed description of Kiosk-mode.

Microsoft Windows

Download and install the i3 KNX application for Windows 7/8/10 from the iRidi web site. The application is loaded in the C:\Program Files (x86)\iRidium Ltd\i3 KNX folder by default.

DEMO Mode

The DEMO mode in i3 KNX allows to test capabilities of the app on a ready project. You can add, delete and move widgets of a project to see what it will look like in the final version without registration, equipment or connection to the internet.

To start a demo project, start the i3 KNX app and press START DEMO on the authorization page of the project:

You can't control real equipment or connect to the server in the demo mode, as registration and purchase of KNX Home Server are required for it.

Registration

1 Start the i3 KNX app. An authorization page opens. If you are not a registeres user, press Sign up.

2 Enter an e-mail to create an account and press START FOR FREE on the page that appears.

3 A letter with an activation link will come to your e-mail. After confirming your e-mail, enter additional data (name, password, country, phone number, etc.) and complete registration.

Authorization

To enter the app register and enter your login and password:

• Login - e-mail you used during registration;
• Password - password.

Press Sign in.

Settings

The following settings are available after authorization in the i3 KNX app:

• Change user name - change the user name;
• Change password - change the password:
  • End sessions - automatic log out from the account on all panels after the password is changed,
  • Do not end sessions - do not log out from the account after the password is changed.

• Log out - exit the account.

Device settings (applied only to the panel when it is set):

• Display - a mode to display (Project, DPI, PX);
• Brightness - a setting of the screen brightness (available only fo Android);

• Full screen mode - a capability to open the app in full screen mode without limits (available on Win OS Win);
• Screensaver - a setting of darkening the screen of a PC or a tablet. This function can be turned off when a motion sensor is activated (available only for tablets and stationary panels based on Android). You can also set a screensaver in the configurator (read more here);
• DPI Settings - manual setting of DPI resolution. If the size of an interface is too small, it's required to increase DPI in width and height. if the size is too large, DPI must be decreased (available only for Android):
  • Width / Height - change DPI in width / height,
  • Reset to default values - restore values to default ones.

• Type of device - change of the screen orientation (Available for Android).

Project Creation

A project is a configuration for KNX Home Server and i3 KNX app that allows the app to interact with the server and the server to connect to controlled equipment.

After authorization in the KNX Home Server, a window with projects appears. Click New Project to create a new project.

Activation of Server

When you activate a server, you assign it to your account. After activating the server pass on to configuring the server in i3 KNX app. A key for the server can be used to activate only this particular server. It can't be used to activate another server.

1 Select the server in the list of available ones (the server must be connected to the same IP-network as the control panel, activation via internet is impossible).

2 Scan a QR-code with a license key (it is located on the side of a server) with the help of a camera or enter it manually.

Creating New Project

1 Enter the name of a new project in the Project name field.

2 Select a way to connect to the bus in the KNX interface field.

1. KNX TP - direct connection to the bus;
2. KNX IP interface/router(KNXnet/ip) - when working with the bus remotely.

3 Enter connection parameters. Press Create project.

• IP address - IP-address of the server.
• Port - connection port.
• NAT - turn on NAT when working via the internat of with another IP-network.

4 Choose a type of connection to the server:

• Local only - only local connection;
• External only - only external connection;
• Local and External - local and external connection.

You can read more about modes of Server work here

Settings can be changed in project properties.

Project Setting

After a project is created, a menu for fast setting is opened, where a project can be configured step by step (these steps can be skipped and a project can be set later).

Step 1

1 Press Add floors and rooms button to create floors and rooms for the future visualization interface. Create a required numner of rooms and floors for your project.

You can also import floors and rooms from ETS file. To do it, press Import floors and rooms from ETS:

2 Select a floor from the existing ones of create your own floor by pressing Add custom floor.

3 Select rooms that are located in this floor or create rooms manully by pressing Add custom floor.

4 Press Next in the top right corner to go to Step 2.

Step 2

Adding KNX devices and setting them as required in the project.

Read more detailed information about types of KNX devices and their settings here.

1 Add KNC devices with the help of import from ETS (1) or create devices with the help of the configurator (2).

2 When you create a device with the help of a configurator, choose a type of device and its name.

3 Enter group addresses according to your ETS project.

4 After setting addresses press Next and select rooms to display a widget to control this device. Press Done.

5 If it is required, add one more device by pressing +. After adding all devices press Next and pass on to Step 3.

Step 3

Adding IP cameras, SIP-intercom and other devices. If these devices are no required, skip the step by pressing Next.

Cameras and other devices are added to the project with the help of modules (developed for IP-cameras, SIP server and others), Press + to add a required module. After adding all devices press Next and go to Step 4.

You can read more about modules for i3 KNX Home Server here.

Step 4

You can see a video tutorial in step 4 by following a link.

Visualization Launch

After following the setting Steps 1 - 4, you'll get a ready interface and a configuration for KNX Home Server. The main page of the visualization interface displays created floors, rooms and itema of the room editor (widgets of modes, macros, photos, etc.).

Read more about room editor here.

Example:

There are widgets to control equipment in each room.

To edit the appearance of the interface pages use Room editor. The following features are available there:

• Free location of widgets;
• Division of widgets into columns with the help of “dividers”;
• Creating headings;
• Adding photos.

To open Room editor, press the three dots in the top right corner of the screen and select Room editor. Read more about Room editor here.

Logic and Schedules

For automation project to work 24/7 there are tools to create logic in the server part of the product:

• Schedules are time scenes that can be set for Rounites to work;
• Routines are a logic component of a project that tracks changes in equipment state and reacts to changes according to set logic
• Macros are a sequence of commands that is activated by pressing a macro widget, placed on any page;
• Modes are a widget in the interface that can do actions set with the help of Routines;
• Timers for devices - an additional device parameter that you can use to schedule the activation of an action at a specific time and day.

Fixing problems

Here you can find information on solving problems that appear in the process of using equipment.

Often closure of the app

When working with the Intel HD Graphics processor, update the driver to the latest stable version before installing i3 KNX.

No Connection to the Server

• Check that the server is available from the current device with the help of Ping command from the command line. If there is no ping, check the work of the network.
• If an error appears during actiation, check that the server has internet access.
• If there is no connection to the server after turning on remote control, check that more than 2-3 minutes passed after turning on and downloading a project. The server requires time to connect to the cloud for the first time.
• If a message appeared “Server is unavailable”, check the power and the network cables.

Server is Unavailable in the Network for a Long Time

If the server is unavailable in the network for a long time, but the diode indicators on the body and of the network interface show that the server is active, reset that server to default settings.

1 Turn off the controller and press the Prog button.

2 Hold the Prog button and supply power to the controller.

3 Hold the Prog button till the diode changes its color from red to green and to blue three times.

4 After it the controller has default settings: automatic getting the IP address is activated (DHCP).

If it is required, repeat the procedure several times.

No Connection to KNX Bus

When there is a failure in connection to KNX bus, there appears and information message: "No connection to KNX bus. Click here".

To solve the problem, do the following:

• Check physical connection to KNX bus (power, connection, etc.);
• Check connection settings to KNX bus - enter the Config then Devices and (connection method, Host, Port, NAT).

After making changees, start the project and make the changes public on the server by pressing corresponding buttons. Check that the number of semultaneous connections via KNX IP is not exceeded. If after following all recommendations you can't get the project to work, contact our technical support: support@iridi.com.