Weinzierl KNX IP Interface 740.1 wireless Specification sheet

WEINZIERL ENGINEERING GmbH
Achatz 3-4
84508 Burgkirchen an der Alz
GERMANY
Tel.: +49 8677 / 916 36 –0
E-Mail:[e-mail]
Web: www.weinzierl.de
© 2021 WEINZIERL ENGINEERING GmbH Seite 1/20
Wireless KNX IP interface
KNX IP Interface 740.1 wireless
Operation and installation manual
(Art. # 5419)

© 2021 WEINZIERL ENGINEERING GmbH Seite 2/20
Content
1Application .........................................................................................................................3
2Installation and connection...............................................................................................3
2.1 KNX programming mode......................................................................................................4
2.2 Manual operation and status display....................................................................................4
3Reset to factory default settings.......................................................................................5
3.1 Factory default settings........................................................................................................6
4Wiring scheme ...................................................................................................................6
4.1 Pluggable screw terminal.....................................................................................................6
4.2 Pin assignment ....................................................................................................................6
5Setting up a Wi-Fi connection...........................................................................................7
5.1 KNX IP Interface 740.1 wireless is “Access point”................................................................7
5.2 KNX IP Interface 740.1 wireless is “Station / Client Mode” ...................................................9
6Interface settings in the ETS.............................................................................................9
6.1 ETS 5...................................................................................................................................9
6.2 ETS 6.................................................................................................................................10
6.3 Common............................................................................................................................11
7Programming....................................................................................................................12
7.1 Via the KNX bus.................................................................................................................12
7.2 Via KNXnet/IP tunneling.....................................................................................................12
8ETS database ...................................................................................................................13
8.1 Additional individual addresses.......................................................................................... 13
8.2 IP settings..........................................................................................................................14
8.3 Description.........................................................................................................................16
8.4 General settings.................................................................................................................17
8.5 Operating mode “Access point”..........................................................................................18
8.6 Operating mode “Station / Client-Mode”.............................................................................19

© 2021 WEINZIERL ENGINEERING GmbH Seite 3/20
1 Application
The KNX IP Interface 740.1 wireless serves as a wireless interface to the KNX bus based on Wi-Fi.
The device can be used as a programming interface for the ETS® and is a wireless alternative to
USB or wired IP interfaces. The bus access via Wi-Fi allows the installer to move freely in the
building with his laptop to a large extent.
The KNX IP Interface 740.1 wireless has an integrated Wi-Fi access point to which the laptop can
connect. Alternatively, the device can be connected to an existing Wi-Fi in client mode, the
connection can be made via WPS (Wi-Fi Protected Setup).
The device supports the security standard WPA2.
Power is supplied via the KNX bus.
The device works according to the KNXnet/IP specification. It can be used with the ETS® from
version 5.
2 Installation and connection
The housing of the KNX IP Interface 740.1 wireless has the dimensions 125 x 67 x 31 mm
(L x W x H). It features the following controls and displays:
❶Antenna
❷LED Run (green)
❸LED WiFi (green)
❹LED KNX (green)
❺Button Test
❻Button Prog. Mode
❼Programming LED
❽KNX bus connector
If the bus voltage is missing, the device is without function.

© 2021 WEINZIERL ENGINEERING GmbH Seite 4/20
2.1 KNX programming mode
The KNX programming mode is activated/deactivated by pressing the KNX programming button
❻. When programming mode is active, the programming LED ❼lights up red.
2.2 Manual operation and status display
Summary of the states of the programming LED ❼:
Pressing the button Test ❺briefly switches between normal operating mode and test mode. The
active mode is indicated by the LED Run ❷lighting up or flashing slowly in green.
Summary of the states of the LED Run ❷:
2.2.1 Normal operating mode
The LED WiFi ❸lights up green when a Wi-Fi connection is available. If this LED flickers,
telegram traffic is taking place via Wi-Fi. If this LED flashes slowly in green, the device is not
connected via Wi-Fi.
Pressing and holding the button Test ❺executes WPS (Wi-Fi Protected Setup). This is indicated
by the LED WiFi ❸flashing fast in green.
Summary of the states of the LED WiFi ❸:
LED Status
Meaning
LED lights red
The programming mode is active.
LED flashes red (fast)
The programming mode is not active.
The device is not loaded correctly, e.g. after aborting a download.
LED Status
Meaning
LED lights green
The device operates in normal operating mode.
LED flashes green (slowly)
The device is in test mode.
LED flashes green (fast)
The device is currently loaded by the ETS.
LED Status
Meaning
LED lights green
The device is connected via Wi-Fi.
LED flashes green (slowly)
The device is not connected via Wi-Fi.
LED flashes green (fast)
WPS is in progress.
LED flickers green
Telegram traffic via Wi-Fi.

© 2021 WEINZIERL ENGINEERING GmbH Seite 5/20
The LED KNX ❹lights up green when KNX bus voltage is present. If this LED flickers, telegram
traffic is taking place on the KNX bus.
Summary of the states of the LED KNX ❹:
2.2.2 Test mode
In test mode, the Wi-Fi channel can be changed and the connection status of the tunneling
connection can be displayed.
If many participants are using the same Wi-Fi channel, switching to a less heavily used channel
can improve the connection quality:
Pressing and holding the button Test ❺switches through the Wi-Fi channels. This is indicated by
the LED WiFi ❸flashing green. The selected Wi-Fi channel is activated after exiting the test
mode. This is not stored in the device (selection only temporary).
Summary of the states of the LED WiFi ❸:
The LED KNX ❹lights up green when the KNXnet/IP tunneling connection is active.
Summary of the states of the LED KNX ❹:
3 Reset to factory default settings
It is possible to reset the device to its factory default settings.
▪Disconnect the KNX bus connection ❽from the device.
▪Press the button Prog. Mode ❻and keep it pressed down.
▪Reconnect the KNX bus connection ❽to the device.
▪Keep the button Prog. Mode ❻pressed for at least another 6 seconds.
▪A short flashing of all LEDs (❷❸❹❼) visualizes the successful reset of the device to
factory default settings.
LED Status
Meaning
LED lights green
KNX bus voltage present.
LED flickers green
Telegram traffic on the KNX bus.
LED Status
Meaning
LED is off
The Wi-Fi channel configured via ETS is selected.
LED flashes 1x green
Wi-Fi channel 1 is selected.
LED flashes 2x green
Wi-Fi channel 6 is selected.
LED flashes 3x green
Wi-Fi channel 11 is selected.
LED Status
Meaning
LED lights green
At least one KNXnet/IP tunneling connection is active.
LED is off
No KNXnet/IP tunneling connection is active.

© 2021 WEINZIERL ENGINEERING GmbH Seite 6/20
3.1 Factory default settings
Individual addresses and KNXnet/IP tunneling connections
Individual address: 15.15.255
Active KNXnet/IP tunneling connections: 1
Individual address of the tunneling connection: 15.15.250
Configuration
Device name (SSID): KNX IP Interface 740.1
Mode: Access point
Authentication: WPA2-PSK
Key: MAC address (hexadecimal, bytes separated by hyphen, e.g. 00-24-6D-00-00-00)
Wi-Fi channel: 6
4 Wiring scheme
4.1 Pluggable screw terminal
The screw terminal is used to connect the KNX bus.
4.2 Pin assignment
Connection
Symbol
Description
KNX
+
Positive connection for KNX bus
KNX
-
Ground connection for KNX bus

© 2021 WEINZIERL ENGINEERING GmbH Seite 7/20
5 Setting up a Wi-Fi connection
5.1 KNX IP Interface 740.1 wireless is “Access point”
To set up a Wi-Fi connection from a PC or laptop, a Wi-Fi adapter is required. For laptops, this is
usually integrated in the device.
The Wi-Fi connection to the KNX IP Interface 740.1 wireless is set up as follows:
First, the Wi-Fi provided by the KNX IP Interface 740.1 wireless must be found. The Windows®
“Show available networks”dialog lists all available wireless networks. This dialog can be accessed
via “Settings / Network & Internet / Show available networks”. Alternatively, this dialog can be
accessed via the corresponding “Network”icon in the notification area at the edge of the screen.
Since the KNX IP Interface 740.1 wireless has an integrated DHCP server, the IP address of the
PC should be set automatically (DHCP). This is the default setting for most laptops.

© 2021 WEINZIERL ENGINEERING GmbH Seite 8/20
To change the settings, select the item “Internet Protocol, Version 4 (TCP/IPv4)”in the properties
dialog of the wireless network connection and click the “Properties”button.
In the following dialog “Obtain an IP address automatically”should be active.
After setting up the Wi-Fi connection, the KNX IP Interface 740.1 wireless can be used as an
interface to the KNX bus.

© 2021 WEINZIERL ENGINEERING GmbH Seite 9/20
5.2 KNX IP Interface 740.1 wireless is “Station / Client Mode”
The KNX IP Interface 740.1 wireless automatically setting up the Wi-Fi connection to the
configured access point, provided the entered data is correct. The data is entered via the ETS
parameter dialog. See the section “ETS database –Operating mode “Station / Client-Mode””.
If configured, the connection can also be established via WPS. For this, the parameter WPS (Wi-Fi
protected setup) must be set to Temporary or Permanent. To connect, the WPS functions must
first be activated on the access point and then the button Test ❺on the KNX IP Interface 740.1
wireless must be pressed for a long time (at least 1 second). The interface must be in normal
operating mode (LED Run ❷lights up green).
After the Wi-Fi connection has been established, the KNX IP Interface 740.1 wireless can be used
as an interface to the KNX bus. This applies to all PCs and laptops in this network.
6 Interface settings in the ETS
6.1 ETS 5
In the ETS 5, interfaces can be selected and configured via the ETS menu “Bus –Interfaces”. All
available connections are listed under “Discovered Interfaces”. After clicking on the desired
connection, connection specific information and options appear on the right side of the ETS
window. The selected connection can be selected as the “Current Interface”via the “Select”button.

© 2021 WEINZIERL ENGINEERING GmbH Seite 10/20
6.2 ETS 6
In the ETS 6, interfaces can be selected and configured in the ETS project via the “Interface”
button. All available connections are listed here.
By clicking on a connection, this is selected as the desired interface.
By clicking the gear next to the desired connection, the connection specific information and options
appear.