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2019 WEINZIERL ENGINEERING GmbH 

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Coupler function (KNXnet/IP Routing) 

 

The KNX IP Router 752 

secure

 operates as a line or backbone 

coupler. In both cases, the LAN (IP) is used as a backbone. 

The following table shows the application possibilities of the KNX 
IP Router compared to the classic topology: 

 

 

Classical  

Topology  

(without IP) 

IP coupling   

of areas 

(IP area coupl.) 

IP coupling  

of lines 

(IP line coupler) 

Area 
(Backbone) 

TP 

IP 

IP 

Coupling 

KNX Line Coupler 

(max. 15 Pcs.) 

KNX IP Router 

(max. 15 Pcs.) 

Directly via 

LAN Switch 

Main line 

TP 

TP 

IP 

Coupling 

KNX Line Coupler 
(max. 15x15 Pcs.) 

KNX Line Coupler 
(max. 15x15 Pcs.) 

KNX IP Router 

(max. 225 Pcs..) 

Line 

TP 

TP 

TP 

 

Switch

KNX TP

LAN

1.1.1

1.1.6

1.1.5

1.1.4

1.1.3

1.1.2

1.1.7

1.1.12

1.1.11

1.1.10

1.1.9

1.1.8

KNX IP
Router 752

secure

1.1.0

KNX IP
Router 752

secure

2.1.0

KNX TP

2.1.1

2.1.6

2.1.5

2.1.4

2.1.3

2.1.2

2.1.7

2.1.12

2.1.11

2.1.10

2.1.9

2.1.8

 

KNX IP Router as line coupler 

 
The individual address assigned to the KNX IP Router 752 

se-

cure

 determines whether the device operates as a line or area 

coupler. If the individual address is in the form of x.y.0 (x, y: 
1..15), the router operates as a line coupler. If it is in the form of 
x.0.0 (x: 1..15), the router acts as a backbone coupler. 

 

Switch

LAN

KNX IP
Router 752

secure

1.0.0

KNX IP
Router 752

secure

2.0.0

KNX TP

1.1.0

1.2.0

1.2.1

1.2.6

1.2.5

1.2.4

1.2.3

1.2.2

1.1.1

1.1.6

1.1.5

1.1.4

1.1.3

1.1.2

KNX TP

2.1.0

2.2.0

2.2.1

2.2.6

2.2.5

2.2.4

2.2.3

2.2.2

2.1.1

2.1.6

2.1.5

2.1.4

2.1.3

2.1.2

 

KNX IP Router as area coupler 
 

If the KNX IP Router 752 secure is used as a area cou-
pler (x.0.0), there must not be a KNX IP Router in the to-
pology beneath it. For example, if a KNX IP Router has 
the individual address 1.0.0, there must be no KNX IP 
Router with the address 1.1.0. 

If the KNX IP Router 752 secure is used as a line cou-
pler (x.y.0), there must not be a KNX IP Router in the to-
pology above it. For example, if a KNX IP Router has the 
individual address 1.1.0, there must be no KNX IP Rout-
er with the address 1.0.0.

 

 

Switch

LAN

KNX IP
Router 752

secure

1.0.0

KNX TP

1.1.0

1.2.0

1.2.1

1.2.6

1.2.5

1.2.4

1.2.3

1.2.2

1.1.1

1.1.6

1.1.5

1.1.4

1.1.3

1.1.2

KNX IP
Router 752

secure

2.1.0

KNX TP

2.1.1

2.1.6

2.1.5

2.1.4

2.1.3

2.1.2

2.1.7

2.1.12

2.1.11

2.1.10

2.1.9

2.1.8

 

KNX IP Router as area and line coupler 

 

 

 

Содержание 5249

Страница 1: ... and send valid telegrams A time stamp in the routing telegram ensures that no previously recorded telegrams can be replayed This prevents the so called replay attack The key for the routing communication is reassigned by ETS for each installation If KNX IP Security is used for routing all con nected KNX IP devices must support security and be configured accordingly KNX IP Security for the interfa...

Страница 2: ...upler If the individual address is in the form of x y 0 x y 1 15 the router operates as a line coupler If it is in the form of x 0 0 x 1 15 the router acts as a backbone coupler Switch LAN KNX IP Router 752 secure 1 0 0 KNX IP Router 752 secure 2 0 0 KNX TP 1 1 0 1 2 0 1 2 1 1 2 6 1 2 5 1 2 4 1 2 3 1 2 2 1 1 1 1 1 6 1 1 5 1 1 4 1 1 3 1 1 2 KNX TP 2 1 0 2 2 0 2 2 1 2 2 6 2 2 5 2 2 4 2 2 3 2 2 2 2 1...

Страница 3: ...indications of the IP LED For testing purposes for example during commissioning the configured routing settings filter or block can be bypassed via manual operation With the button Pass GAs the forwarding of group addressed telegrams can be activated With the button Pass IAs the forwarding of individually ad dressed telegrams can be activated This is visualized with a single flash of the Mode LED ...

Страница 4: ...ace function the device contains additional individu al addresses that can be set in the ETS When a client e g ETS sends via the KNX IP Router telegrams to the bus they contain a sender address as one from the additional addresses Each address is associated with a connection Thus response telegrams can be clearly transmitted to the respective client The additional individual addresses must be sele...

Страница 5: ...dresses for the interface connections are displayed in the topol ogy view Each individual KNX address can be changed by clicking on the list entry and typing in the desired address into the Individual Address text field If the text field frame switches to color red after entering the address the address is already taken within your ETS project Make sure that none of the addresses above are already...

Страница 6: ...nzierl de ETS parameter dialogue The following parameters can be set using the ETS General settings Prog mode on device front In addition to the normal programming button the device allows activating the programming mode on the device front without opening the switchboard cover The programming mode can be activated and deactivated via pressing simultaneously both buttons and This feature can be en...

Страница 7: ...whether the received group telegram should be routed to KNX Group telegrams main group 14 to 31 Block No group telegrams of main groups 14 to 31 are routed to KNX Route All group telegrams of the main groups 14 to 31 are routed to KNX Filter The filter table is used to check whether the received group telegram should be routed to KNX Individually addressed telegrams Block No individually addressed...

Страница 8: ...rm downloads via IP Open Source Licenses This product contains open source software license curve25519 donna Curve25519 elliptic curve public key func tion Source http code google com p curve25519 donna Copyright 2008 Google Inc All rights reserved Redistribution and use in source and binary forms with or with out modification are permitted provided that the following condi tions are met Redistrib...

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