Page 31 - Serial Data Transmission and KNX Protocol

KNX TUTOR SEMINAR

IndividualAddressResponse
Response to an IndividualAddressRequest of all those bus devices of a KNX installation
that are currently in the programming mode (their programming LED lights up). The target
address in the telegram is 0/0 (broadcast).

01 01 Xxxxxx

4
x...x: no significance

AdcRead
Requests the addressed bus device to carry out a number of A to D conversions,
calculate the sum and return the result, of the indicated A to D channel.

01 10 Aaaaaaa cccccccc

a...a: number of the A to D channel to be read
c...c: number of A to D conversions to be carried out and summed

AdcResponse
Response to AdcRead containing the requested data.

01 11 aaaaaa cccccccc hhhhhhhh LLLLLLLL

a...a: number of the A to D channel read
c...c: number of A to D conversions carried out and summed
h...h: high byte of the result
L...L: low byte of the result

MemoryRead
Requests the addressed bus device to transmit its memory contents, starting at the
specified address.

10 00 XXLLLL aaaaaaaa bbbbbbbb

L...L: length of the memory area to be read (bytes)
a...a: starting address of the memory area to be read (high byte)
b...b: starting address of the memory area to be read (low byte)

Home and Building Management Systems KNX Association
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