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User Manual
DALI / Ethernet
Document code: MN67839_ENG Revision 1.001 Pagina 31 di 62
(**) ADDR_HI...ADDR_LO
It is set to zero.
(***) Check
XOR-combination of the previous 6 bytes (Start/Control ... to ... DATA_LO).
HD67839
Ethernet
The answer of the HD67839 to the PC uses 3 bytes:
Byte 1
Byte 2
Byte 3
Start/Ctrl
(*)
DATA
(**)
Check
(***)
(*) Start/Ctrl and DATA_HI...DATA_LO fields
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Identifier
Release
Status
Description
Value
Meaning
Note
Identifier
5
Release
0
Release 0
Status
00
OK
01
DALI Data
10
DALI answer ‘NO’
11
Error
Check sum
DATA = 1
DALI bus short circuit
DATA = 2
DALI receive error
DATA = 3