basic

Question 1

What are three core KNX Association activities?

Answer 1

Develop KNX standard, ETS software, and product certification.

Question 2

How many member companies were in KNX by 2022?

Answer 2

More than five hundred member companies.

Question 3

Which organization approved KNX as a worldwide standard?

Answer 3

ISO/IEC approved KNX as worldwide standard.

Question 4

What is the KNX security standard from November 2019?

Answer 4

EN ISO 22510 (KNX IP Secure).

Question 5

What is the most popular KNX medium?

Answer 5

Twisted Pair cable

Question 6

Why doesn’t KNX need a central control unit?

Answer 6

KNX devices contain their own intelligence microcontrollers.

Question 7

What is the key advantage of KNX product interworking?

Answer 7

Different manufacturers products ,communicate using one language.

Question 8

Which KNX medium is used without running cables?

Answer 8

Radio Frequency is used without any cables.

Question 9

What software configures KNX S-Mode installations?

Answer 9

ETS is the manufacturer-independent software tool.

Question 10

How is E-Mode configuration performed?

Answer 10

Without a PC.

Question 11

Why is KNX backward compatibility a key advantage?

Answer 11

Old installations extend with new manufacturer products easily.

Question 12

Which ETS version has a 64-product limit?

Answer 12

ETS Home version has a 64-product limit.

Question 13

What are the two types of KNX Secure extensions?

Answer 13

KNX IP Secure and KNX Data Secure.

Question 14

How does KNX improve energy efficiency?

Answer 14

It synchronizes applications like heating and lighting.

Question 15

How many total group addresses are available?

Answer 15

65535 group addresses are available.

Question 16

Can a group address be zero?

Answer 16

No, a group address cannot be zero.

Question 17

What is group address 0/0/0 reserved for?

Answer 17

0/0/0 is reserved for broadcast.

Question 18

What is the primary goal of the individual address?

Answer 18

To forward programming data to the bus device.

Question 19

How is the individual address permanently assigned?

Answer 19

It is assigned permanently using ETS.

Question 20

When is communication done using group addresses?

Answer 20

After commissioning and diagnostic steps are complete.

Question 21

How many bits are in an individual address?

Answer 21

A fixed structure of 16 bits.

Question 22

What is the purpose of a KNX ‘group object’?

Answer 22

Group objects are memory locations in a bus device.

Question 23

What is the maximum size of a group object?

Answer 23

The maximum size is 14 bytes.

Question 24

What size group objects does ETS allow linking?

Answer 24

ETS links only group objects of the same size.

Question 25

Can actuators listen to several group addresses?

Answer 25

Yes, actuators can listen to several group addresses.

Question 26

How many telegrams can a sensor send per object?

Answer 26

A sensor can send only one telegram.

Question 27

What is the common role of the Main group address?

Answer 27

Main group commonly represents the floor number.

Question 28

What is the common role of the Middle group address?

Answer 28

Middle group commonly represents the functional domain.

Question 29

What is the DPT for switching an actuator?

Answer 29

DPT_Switch (on/off) is used for switching.

Question 30

What reports an actuator's switching state?

Answer 30

A status or feedback object reports state.

Question 31

What is the first configuration step using ETS?

Answer 31

Assigning individual addresses to the devices.

Question 32

What connects sensors and actuators logically?

Answer 32

Assigning group addresses connects them logically.

Question 33

How are E-mode addresses set locally?

Answer 33

E-mode addresses are set via local product settings.