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KNX Home Server
KNX Home Server is a controller, a cloud and a smart visualization app for simple creation of an inexpensive system to control KNX apartments, offices and houses.
How to setup KNX Home Server
The documentation was updated on 22.7.2026
General information
KNX Home Server is a software-hardware complex developed to control KNX bus. Setting is done in the i3 KNX app. The hardware platform of the server is UMC C3. Distinctive features of the product are:
- Fast project creation.
- Secure control from 25 devices at the same time.
- Recommended workload is 1000 group addresses.
- Ready widgets to control KNX equipment.
- Integration with cameras, intercom, voice assistants.
- Creation of timers, schedules and logic.
- Good-looking interface in light and dark styles
- KNXnet/IP Tunneling support – up to 5 connections simultaniously to connect from ETS or other app to programm the bus devices and control via KNXnet/IP
List of Devices:
- KNX devices: Dimmer, Button, Relay, Button Block, Shutters, Digital Display, Binary Display, Input Number, Climate, Color Picker, Media Remote;
- Voice Assistants: Amazon Alexa, Google Home, Yandex Alice;
- IP cameras;
- Samsung TV;
- Sonos;
- SIP server: Mobotix T24/T25, DoorBird, True IP, BAS IP.
Warranty period: 24 months.
Technical specification
| Characteristics |
UMC |
HS Server
|
| Direct current voltage of power supply |
24V (From 12V to 30V) |
24V
|
| Power consumption, no more than |
2.5W |
30W
|
| Working temperature |
From 0 to +40 C |
From 0 to +50 C
|
| Size |
72 x 95 x 61 |
70 x 97 x 58
|
| Weight, no more than |
0.25 kg |
0.2 kg
|
| Processor |
1GHz CPU NXP imx6 |
RK3399 Rockchip
2 x Cortex-A72 2000 МГц,
4 x Cortex-A53
|
| RAM |
512 MB |
2 Gb, DDR4
|
| Non-volatile memory |
EMMC 4 Gb |
16 Gb, eMMC Flash
|
| Number of tags |
up to 1 000 |
up to 1 000
|
| Number of control panels |
up to 25 |
up to 25
|
| Interfaces |
KNX TP1-256, Ethernet |
Ethernet 100 Mbit/s
USB Type-A (F) (USB 2.0)
RS-485 (with galvanic isolation)
RS-232 (with galvanic isolation)
KNX TP1-256
CAN (Bus77)
|
| Operation system |
Linux |
Linux
|
It is not allowed to install other iRidium products.
Connection of KNX Home Server
1 Supply 24 V direct power to the server as shown in the picture.
2 Connect the server to the local network with the help of a network cable. Insert a clamped cable to the LAN input. The router of the local network must have a set DHCP server.
3 Connect the server to KNX bus with the help of red-black KNX EIB terminal (it can be skipped, if the server is connected to the bus via an additional KNX IP interface/router).
4 Wait about 30 seconds till the Mode diode becomes green. The server is ready for work.
i3 KNX app is available for the following platforms:
- Windows 7/8/10 ;
- iOS 8 and later;
- Android 4.4 and later.
Connection of KNX devices
KNX devices are programmed and connected to KNX Home Server via TP1-256 interface or any external KNX IP interface. Recommended number of group addresses to control is up to 1000.
IP-cameras, SIP and TV are connected via IP.
Server Setting
KNX Home Server is set in the i3 KNX app.
To do the setting i3 KNX app and KNX Home Server must be located in the same local IP-network that has access to the Internet. Access to the Internet is required to make changes in the configuration and to control the server remotely. Control within a local network works without internet access.
KNX Home Server does not support setting from ETS and it has no app for ETS, but it can be used to monitor and program the bus in the IP Tunelling mode.
