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Message from slave (or alternate device)
CAN-ID – Unit Address (0x002 to 0x004)
Byte 0 – Unit Address (0x02 to 0x04)
Byte 1
Bit 0
Bit 1
Horn
Morse
Select
Select
Byte 2
Bit 0
Bit 1
Timer
Code 1
Select
Key
Byte 3
Bit 0
Bit 1
Alt Stbd
Alt Port
Key
Key
Byte 4
Bit 0
Bit 1
PA Int PB
GEA PB
Key Pressed = 1, Key Released = 0
Example communication
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Message Number
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Time Offset (ms)
;
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Bus
;
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;
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;---+-- ------+------ +- --+-- ----+--- +- -+-- -+ -- -- -- -- -- -- --
FWD HORN
171)
5383.214 1
172)
5408.895 1
173)
5446.479 1
174)
5450.233 1
MORSE KEY
102)
3206.715 1
103)
3229.197 1
104)
3269.937 1
105)
3292.291 1
FWD HORN SELECT
73)
2335.323 1
74)
2335.920 1
75)
2337.157 1
76)
2399.100 1
Bit 2
Bit 3
Aft Horn
Gong Key
Key
Bit 2
Bit 3
Code 2
Code 3
Key
Key
Bit 2
Bit 3
Astern
Danger
Key
Key
Bit 2
Bit 3
Abandon
Unused
Ship PB
Type
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ID (hex)
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Reserved
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Data Length Code
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Rx
00000002 00 8
Rx
00000001 00 8
Rx
00000002 00 8
Rx
00000001 00 8
Rx
00000002 00 8
02 00 00 00 00 00 00 00
Rx
00000001 00 8
01 00 08 00 00 7B 81 31
Rx
00000002 00 8
02 20 00 00 00 00 00 00 (Slave Morse Key Pressed)
Rx
00000001 00 8
01 80 08 00 00 7B 81 31 (Master Morse Active)
Rx
00000002 00 8
02 00 00 00 00 00 00 00
Rx
00000001 00 8
01 00 08 00 00 7B 81 31
Rx
00000002 00 8
02 01 00 00 00 00 00 00 (Slave Horn Select Pressed)
Rx
00000001 00 8
01 00 09 00 00 7B 81 31 (Master FWD Horn LED Active)
Bit 4
Bit 5
Bell Key
Morse
Light Key
Bit 4
Bit 5
Code 4
Code 5
Key
Key
Bit 4
Bit 5
120VAC
Remote
Power Fail
Start PB
Bit 4
Bit 5
Unused
Unused
Data Bytes (hex) ...
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02 00 00 00 00 00 00 00
01 00 08 00 00 7B 80 2E
02 40 00 00 00 00 00 00 (Slave FWD Horn Key Pressed)
01 00 0A 00 00 7B 80 2E (Master FWD Horn Active)
Bit 6
Bit 7
FWD
Auto Code
Horn Key
Key
Bit 6
Bit 7
At Anchor
Aground
Key
Key
Bit 6
Bit 7
At Will
Morse
PB
Light PB
Bit 6
Bit 7
Unused
Unused
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