Interra ITR901-001 User manual

@2019 INTERRA PM190205012AEN
ITR901-001 –KNX IP ROUTER
Product Manual

KNX IP Router
Product Manual
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@2019 INTERRA PM190205012AEN
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001 KNX IP Router are registered trademarks of
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TO OUR CUSTOMERS
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CONTENTS
1.) PRODUCT DESCRIPTION ............................................................................................................................... 6
1.1.) Front Panel ................................................................................................................................................ 7
1.2.) LED Indicators............................................................................................................................................ 8
1.3.) Device Commissioning............................................................................................................................... 9
1.4.) General Features....................................................................................................................................... 9
2.) KNXNET / IP ................................................................................................................................................ 10
2.1) IP Tunnelling............................................................................................................................................. 10
2.3) IP Routing ................................................................................................................................................. 10
2.4) IP Bootloader / Boot Mode ...................................................................................................................... 11
3.) OPERATIONAL DESCRIPTION...................................................................................................................... 11
3.1) IP Coupler Application.............................................................................................................................. 11
3.2) IP Network................................................................................................................................................ 11
3.3) KNX Network Installation: ........................................................................................................................ 13
3.4) Programming............................................................................................................................................ 14
3.4.1) Physical Address Assignment ................................................................................................................ 14
3.5) Function Button........................................................................................................................................ 15
3.5.1) Manual Function ................................................................................................................................... 15
3.5.2) Restore Factory Settings........................................................................................................................ 15
3.5.3) Boot Mode Activation ........................................................................................................................... 15
3.5.4) LED Status Display ................................................................................................................................. 16
4.1) Genel ........................................................................................................................................................ 17
4.1.1) Parameters List...................................................................................................................................... 17
4.2) IP Configuration........................................................................................................................................ 18
4.2.1) Parameters List...................................................................................................................................... 18
4.3) KNX Multicast Address ............................................................................................................................. 19
4.4) Main Line (IP)............................................................................................................................................ 20
4.5) Subline (KNX TP)....................................................................................................................................... 21
5.) WEB FRONT-END........................................................................................................................................ 22
5.1) Accessing the Device Web Front-End....................................................................................................... 22
5.1.1) Access via Windows Network UPnP...................................................................................................... 23
5.1.2) Access via IP Address............................................................................................................................. 23
5.1.3) Access via MAC Address........................................................................................................................ 23
5.2) Device Info................................................................................................................................................ 24

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5.3) KNX ........................................................................................................................................................... 24
5.4) Firmware Update & Boot Mode............................................................................................................... 25
5.5) IP Tunnelling Address Assignment ........................................................................................................... 27
6.) TECHNICAL DRAWINGS .............................................................................................................................. 29

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1.) PRODUCT DESCRIPTION
The ITR901-001 Interra KNX IP Router works as a KNX line/area coupler to provide a bi-directional data connection between
KNXnet/IP line (main line) and KNX TP line (subline). KNX IP and KNX TP are coupled having a galvanic isolation in
between. The flexible ITR901-001 can be used as a KNX TP line coupler to connect several KNX TP lines but also as a KNX
TP area coupler to connect several TP areas or different KNX TP installation systems via an IP Backbone/Ethernet/Internet.
Telegram filtering is accomplished according to the installation place in the hierarchy (Physical Telegrams) and according
to the built in filter tables for group communication (Group Telegrams). For detailed diagnosis all operational modes/states
are shown by a duo-LED display.
With the ETS (or compatible commissioning tool) ITR901-001 also works as the KNX programming interface having no
KNX communication objects for itself. Connecting a personal computer to the KNX TP bus can ideally be done via
Ethernet/Internet. For Tunnelling and Routing up to four tunnelling addresses can be used. To ease commissioning and
troubleshooting the Manual Function for short-time telegram filter switch-off and special routing/repetition/confirmation
settings are available. A comfortable Web front-end to watch the busload history, to identify ITR901-001device in a
network and to update the firmware via IP is provided.

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1.1.) Front Panel
Fig 1: Front View of Device
LED
BUTTON / CONNECTOR
1. State IP (Main Line)
A. Ethernet Connector
2. Bus State KNX TP (Subline)
B. Function Button
3. Telegram Traffic IP (Main Line)
C. Program Button
4. Telegram Traffic KNX TP (Subline)
D. KNX TP Connector
5. Group Address(GA) Routing (0....13)
6. Physical Address(PA) Routing
7. Programming
Tablo 1 : LEDs and Buttons Definitions
In the above figure, a front view of the device is shown. Also, the table 1 shows the indicators and features on the device.
A
2
B
C
D
4
6
1
3
5
7

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1.2.) LED Indicators
NUMBER
LED
COLOUR
DESCRIPTION
1
State IP(Main Line)
Green
IP line OK.
Red
Manual Function active.
Off
No IP connection.
2
Bus State KNX TP
(Subline)
Green
Subline OK.
Off
Subline not connected.
3
Telegram Traffic IP
(Main Line)
Blinking Green
Telegram traffic extent indicated by blinking.
(Speed up to 10Mbit/s)
Blinking Red
Transmission error.
Off
No telegram traffic.
4
Telegram Traffic KNX
TP
(Subline)
Blinking Green
Telegram traffic extent indicated by blinking.
Blinking Red
Transmission error.
Off
No telegram traffic.
5
Group Address Routing
Green
Filter table active.
Orange
Route all.
Red
Block all.
Off
Routing of Group Telegrams is different on main
line and subline.
6
Physical Address
Routing
Green
Filtering active.
Orange
Route all.
Red
Block all.
Off
Routing of Physical Telegrams is different on main
line and subline.
7
Programming
Red
Program Mode / Boot Mode active.
Blinking Red
No IP connection.
Off
Program Mode / Boot Mode not active.
Note: If the device is used as IP Router without physical address x.y.0, the "physical address routing" named LED 6 (PA)
works not like described at table 1.

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1.3.) Device Commissioning
The default settings of the device are :
➢All telegrams are blocked due to the filter table is not defined.
➢The Manual Function switch-off time is 120 min.
➢Physical address is “15.15.0”.
➢Never connect the device to 230 V.
Fig 2: Connection Scheme
1.4.) General Features
➢ITR901-001 KNX IP Router supports extended frames and long telegrams up to 240 bytes APDU length.
➢ITR901-001, favourably replaces a common TP line/area coupler. The great advantage is using KNX IP as a fast
KNX backbone medium (for sending telegrams between lines and areas).
➢ITR901-001 works without external power supply.
➢Providing IP Tunnelling to the ETS connection interface (also other tools to enable commissioning and monitoring)
the additional tunnelling addresses are not the same used for ETS connection. Four different tunnelling
connections with a separate address for each can be realized in parallel.
➢ACK sending on sent out messages is ETS configurable.
➢When there is no IACK response on the subline the Interra KNX IP Router is able to repeat messages up to three
times. Repetitions can be configured for both Physical Telegrams and Group Telegrams via ETS (to ease
Ethernet
KNX TP

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troubleshooting). After an IACK response no repetition is following and the negative IACK/BUSY failure mechanism
is maintained.
➢Automatic function for switching back to run-time telegram filtering after configurable suspension period. This
avoids forgetting the reactivation of filtering.
➢For an ETS configurable time period, it is possible to switch off telegram filtering by only pressing a button on the
device front panel. Without additional ETS download filtering is suspended. This is necessary for running fast
diagnostics on site.
➢Temporarily suspending telegram filtering eases commissioning and debugging. Without ETS download temporary
access to other lines becomes possible.
➢UPnP is available to discover the device within the IP network. This can only be realized by a proper network
installation in terms of topology. With use of KNXnet/IP ETS is able to recognize the communication interface
device.
➢Updating the firmware can easily be accomplished by a Web browser. The available Web front-end provides
informative settings and enables to switch the device into Program Mode without use of the Program Button.
➢In networks with high busload the internal amount of communication buffers are capable of smoothing peeks in the
communication load course.
➢ITR901-001 device’s ETS database entries are available for ETS4 and later.
➢ITR901-001 supports KNXnet / IP, ARP, ICMP, IGMP, HTTP, UPnP, UDP/IP, TCP/IP, DHCP and AutoIP.
2.) KNXNET / IP
ITR901-001 is a KNX IP router and KNX IP routers are highly similar to TP line couplers. The only difference is that they use
the IP communication medium as main line and the KNXnet/IP communication protocol. However, KNX end devices can be
integrated directly via IP. This makes the Ethernet a real KNX medium.
As documented in the KNXnet/IP protocol specifications, KNX telegrams can also be transmitted encapsulated in IP
telegrams. Ethernet networks as well as Internet can be used to route or tunnel KNX telegrams. In this way, IP interfaces
and IP routers are an alternative to USB data interfaces and TP line/area/backbone couplers. In the latter case, the normal
TP backbone is replaced by a fast Ethernet based line.
2.1) IP Tunnelling
The presence of the Internet Protocol (IP) has led to the definition of the KNXnet/IP protocol. KNXnet/IP offers the possibility
for point-to-point connections for the ETS (KNXnet/IP Tunnelling) and/or between supervisory system and KNX installation.
The KNXnet/IP device management enables KNXnet/IP device configuring via the KNX network in order to reduce the time
required for complete network configuration.
2.3) IP Routing
IP Routing is the way of interconnecting KNX lines and areas by IP network(s) via KNXnet/IP. In IP networks the KNXnet/IP
Routing defines the way of KNXnet/IP router communication.