Dali Sci - ADF Web HD67839 Series User Manual

Industrial Electronic Devices

DALI SCI:

This set of simple commands allows to send DALI commands for controlling and reading DALI devices. They are fully compatible with SCI
protocol from Tridonic.
Ethernet  HD67839
The transmission frame consists of 7 bytes:
Byte 1 Byte 2
Start/Ctrl (*) ADDR_HI (**)
(*) Start/Ctrl and DATA_HI...DATA_LO fields
Bit 7 Bit 6
0 Indentify/nDALI
Where:
bit 7: 0
bit 6:
High: no data is sent via the DALI bus. Response only on PC (to check connection) when DATA_HI = 00h and DATA_LO = 01h,
o
then enable / when DATA_HI = 00h and DATA_LO = 00h, then disable (default: enable)
Low: DALI (DSI) output DALI bus
o
bit 5:
High: immediate reply to PC (not waiting for DALI answer)
o
Low: waiting for DALI answer (10 ms max.) DALI „NO" after 10 ms
o
bit 4:
High: Data output using DSI format DATA_HI = 0: DATA_LO = 8 bit DSI data DATA_HI > 0: DATA_HI and DATA_LO = 16 bit
o
ext. DSI data
Low: Data output using DALI format DATA_HI: DALI HighByte DATA_LO: DALI LowByte
o
bit 3: 0
bit 2: 0
bit 1: 0
bit 0: 0
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Byte 3 Byte 4
ADDR_MID (**) ADDR_LO (**)
Bit 5 Bit 4
Echo DSI/nDALI
User Manual DALI / Ethernet
Document code: MN67839_ENG
Byte 5
DATA_HI (*) DATA_LO (*)
Bit 3 Bit 2
0 0
INFO: www.adfweb.com
Revision 1.001 Pagina 30 di 62
Byte 6 Byte 7
Check (***)
Bit 1 Bit 0
0 0
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