Appendix; Dali Commands - Beckhoff KL6811 Documentation

7

Appendix

7.1

DALI commands

In accordance with the DIN EN 60929 [} 56] standard, addresses and commands are transmitted as
numbers with a length of two bytes.
These commands take the form YAAA AAAS xxxx xxxx. Each letter here stands for one bit.
• Y: type of address
0 : Short address
bin
1 : group address or collective call
bin
• A: significant address bit
• S: selection bit (specifies the significance of the following eight bits):
0 : the 8 xxxx xxxx bits contain a value for direct control of the lamp power
bin
1 : The 8 xxxx xxxx bits contain a command number.
bin
x: a bit in the lamp power or in the command number
Direct DALI commands for lamp power
These commands take the form YAAA AAA0 xxxx xxxx.
xxxx xxxx: the value representing the lamp power is transmitted in these 8 bits. It is calculated according to
this formula:
253 values from 1 to 254
dec
There are also 2 direct DALI commands with special meanings:
Command Command no.
00 0
hex dec
FF 254
hex dec
Indirect DALI commands for lamp power
These commands take the form YAAA AAA1 xxxx xxxx.
xxxx xxxx: These 8 bits transfer the command number. The available command numbers are listed and
explained in the following tables in hexadecimal and decimal formats.
KL6811
are available for transmission in accordance with this formula.
dec
Description
The DALI device dims using the current fade time down to the parameterized MIN value,
and then switches off.
Mask (no change): this value is ignored in what follows, and is therefore not loaded into
memory.
Version: 2.0.0
Appendix
Answer
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