Celexon HomeCinema Electric Tension screen Manual de Instruções - Página 11

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Celexon HomeCinema Electric Tension screen Manual de Instruções
ASSIGNMENT RS485 OUTPUT:
Connection type
(Marked as 485-A white cable | 485-B black cable)
Communication partner
Baud rate:
9600
Data bit:
8
Stop bit:
1
Check bit:
None
Communication protocol
485-A white cable
Start
485-A Address
code
0x55
ID0
1BYTE 1BYTE 1BYTE
485-B black cable
Start
485-B Address
code
0xAA
ID0
1BYTE 1BYTE 1BYTE
1.
Start code: 485-A 0x55
2.
Device address: 4 bytes (ID0 is the highest, ID3 the lowest) In the case of
common control, the device address is 0x0000000000. If the control is
carried out together and the ID is not explicitly mentioned, 485-B does
not react.
3.
Check cod: checked by CRC16 (start code + address + command code +
command value).
ID1
ID2
ID3
1BYTE
1BYTE
ID1
ID2
ID3
1BYTE 1BYTE
Start code: 485-B 0xAA
Com-
Com-
mand
mand
code
values
Befehl
Daten
1BYTE
nBYTE
Com-
Com-
mand
mand
code
values
Befehl
Daten
1BYTE
nBYTE
Check code
(CRC16)
crcH
crcL
1BYTE
1BYTE
Check code
(CRC16)
crcH
crcL
1BYTE
1BYTE
10