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Working with KNX in i3 lite
There are several ways to control KNX devices with the help of i3 lite:
- via IP interface of iRidium server UMC in the mode of KNX/IP gateway,
- via IP interface of a third party KNX/IP gateway,
- via IP interface of KNX BAOS 771, 772, 777 gateway
- via IP interface of KNX BAOS 770 gateway.
i3 lite provides different tools to control KNX-bus:
- KNX Interface module,
- KNX Thermostat module,
- modules for KNX IP (Dimmer, Relay, Display, Blinds, Button),
- modules for KNX BAOS 771, 772, 777
- modules for KNX BAOS 770.
If you work with KNX-bus we recommend that you use KNX Interface module, especially if your project is planned to have a lot of KNX devices. Adding a big number of modules (for example,KNX Relay,
KNX Dimmer etc.) requires a lot of computing resources.
KNX Interface Module
1 Open i3 lite config. Go to Devices tab.
2 Press "+", to add a new device (module).
3 Press Manually from store to open iRidium store.
4 Find KNX Interface module in iRidium store and press Add.
Module Setting
5 Set the module according to the table.
| Parameter |
Admissible values |
Description
|
| KNX type |
KNX Router (KNXnet/IP)
KNX IP BAOS 771, 772, 777
KNX IP BAOS 770 |
Type of driver
|
| Host |
0.0.0.0-255.255.255.255 |
IP address of the gateway
|
| Port |
3671 - KNX IP,
12004 - KNX IP BAOS |
Port of the gateway
|
| NAT |
false, true |
Activating NAT mechanism
|
6 The module has no subdevices by default. Several subdevices can be added to the module by pressing "+".
7 A window to select a type of subdevice opens, select the required type.
| Subdevice |
Widget |
Description
|
| Button |
|
Simple button
|
| Multistate button |
|
Multistate button
|
| Relay |
|
Switch
|
| Dimmer |
|
Slider
|
| Display |
|
Item to display values
|
| Blinds |
(with two buttons - Open and Close)
(with three buttons Open, Close, Stop) |
Item to control blinds
|
| Binary sensor |
|
Item to display a binary value
|
| Value input |
|
Item to enter a value
|
Setting subdevices
8 Set subdevices according to the tables below.
General parameters
| Parameter |
Admissible values |
Description
|
| Name |
Any string |
Item name
|
| Type |
1 bit,
2 bit,
4 bit,
Signed 8 bit,
Unsigned 8 bit,
Character,
1 Byte,
Scene Number,
Scene Control,
Signed 16 bit,
Unsigned 16 bit,
Float 16 bit,
Signed 32 bit,
Unsigned 32 bit,
Float 32 bit,
ASCII String,
Time,
Date |
Data type of item (from ETS)
|
| SubType |
According to the data type |
Subtype of item data (from ETS)
|
| Address to write |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Address in KNX or KNX BAOS bus to write values
|
| Address to read |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Address in KNX or KNX BAOS bus to read values
|
Button
| Parameter |
Admissible values |
Description
|
| Press value |
Any number |
Value that is sent when a button is pressed
|
| Release value |
Any number |
Value that is sent when a button is released (if the field is empty, the data are not sent)
|
Multistate button
| Parameter |
Admissible values |
Description
|
| Value name |
Any string |
Name of parameter where Multistate button sends value (available only when the number of states is more than 4)
|
| Active states |
From 2 to 9 |
The number of available states in a button
|
| State label |
Any string |
State text
|
| State value |
Any number |
Sent value
|
| Show header |
Yes
No |
To display the widget header or not
|
Relay
| Parameter |
Admissible values |
Description
|
| On value |
Any number |
Value to turn on
|
| Off value |
Any number |
Value to turn off
|
Dimmer
| Parameter |
Admissible values |
Description
|
| Min value / Max value |
Any number |
Limits of slider value
|
| Switch write addr. / Switch read addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Addresses in KNX or KNX BAOS but to send / receive values. They are not obligatory, if default settings are left, values are sent to the address indicated in Address to write parameter.
|
| Step |
1,56%
3,125%
6,25%
12,5%
25%
50%
100% |
A step by which dimmer value is decreased/increased when increasing and decreasing buttons to the left and to the right of a slider are pressed.
|
| Stepwise address |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Address where Step value is sent
|
Display
| Parameter |
Admissible values |
Description
|
| Units |
Any string
(max - 5 symbols) |
Measurement unit
|
Blinds
| Parameter |
Admissible values |
Description
|
| Open value / Close value / Stop value |
Any number |
Sent values
|
| Write Open / Write Close / Write Stop |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Address in KNX or KNX BAOS bus to write
|
| Read Open / Read Close / Read Stop |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Address in KNX or KNX BAOS bus to read
|
Binary sensor
| Parameter |
Admissible values |
Description
|
| no additional parameters |
- |
-
|
Value input
| Parameter |
Admissible values |
Description
|
| no additional parameters |
- |
-
|
9 In general KNX devices are ready for work, what is left to do is to select rooms where they are located.
10 Subdevices added to KNX Interface module can be deleted or their parameters can be changed. To do it, press a button in the top right corner of the module tab.
Restart a project after changing parameters of a module.
KNX Thermostat Module
There is no module to control a thermostat in KNX Interface module. A separate KNX Thermostat module is developed for it. Setting a module and its subdevices is the same as setting KNX Interface module.
Type of widget:
HVAC and fan
| Appearance |
Value |
Description
|
|
Temp |
Current temperature
|
|
On/Off |
State of the conditioning system
|
|
Temp setpoint |
Required temperature
|
|
HVAC mode |
Conditioning mode
|
|
Fan mode |
Fan mode
|
Module Setting
| Parameter |
Admissible values |
Description
|
| KNX type |
KNX Router (KNXnet/IP)
KNX IP BAOS 771, 772, 777
KNX IP BAOS 770 |
Type of driver
|
| Host |
0.0.0.0-255.255.255.255 |
IP address of the gateway
|
| Port |
3671 - KNX IP,
12004 - KNX IP BAOS |
Port of the gateway
|
| NAT |
false, true |
Activating NAT mechanism
|
Setting subdevices
| Parameter |
Admissible values |
Description
|
| Widget type |
HVAC and fan,
Only HVAC,
Only fan,
HVAC and fan with Slider,
Only HVAC with Slider,
Heating |
Type of widget
|
| Min temperature / Max temperature |
Any number |
Min and max value of the required temperature
|
| Return temp. addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Current temperature.
Address in KNX or KNX BAOS to read
|
| On/off addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
State of the conditioning system.
Address in KNX or KNX BAOS to write
|
| On/off status addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
State of the conditioning system.
Address in KNX or KNX BAOS to read
|
| Temp setpoint addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Required temperature.
Address in KNX or KNX BAOS to write
|
| Temp status addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Required temperature
Address in KNX or KNX BAOS to read
|
| HVAC mode addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Conditioning mode.
Address in KNX or KNX BAOS to write
|
| HVAC status addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Conditioning mode.
Address in KNX or KNX BAOS to read
|
| Fan mode addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Fan mode.
Address in KNX or KNX BAOS to write
|
| Fan status addr. |
x/y/z (for KNX)
Integer number (for KNX BAOS) |
Fan mode.
Address in KNX or KNX BAOS to read
|
iRidium server UMC as KNX/IP gateway
iRidium server of the following models can work in the KNX/IP gateway mode:
- iRidium server UMC C2,
- some iRidium server UMC C3 (check the server manual to see if KNX Gate is supported),
- iRidium server UMC C4.
If iRidium server is used as KNX/IP gateway set parameters of KNX modules as described below:
| Parameter |
Value
|
| KNX type |
KNX Router (KNXnet/IP)
|
| Host |
IP address of iRidium server
|
| Port |
Port of iRidium server
|
1 Open the Server tab in i3 lite config, find your iRidium server UMC and select it.
2 Press Update. Check that the server version is 1.2.8 or later. If update is availble (Update now button is available), press this button.
3 Change Work mode parameter to KNX or KNX and HDL.
4 The server is ready to work as KNX/IP gateway. It can be used by different devices and projects, and not only the project where the setting was done.
