SKF Copperhead Transmitter Unit CMPT CTU 10-31
CTU CAN-bus
Unit Address
Instruction Manual
The bit representation (32 bit) of message and response is as the following:
1. Yellow: Extra bits not used
2. Green: FNC (always 0x09)
3. Turquoise: Command (0xEF)
4. Pink: RR
5. Blue: Source (1), sender address
6. Red: Destination (Broadcast to all CTU’s 0xF1)
The message in bitwise (32 bit):
1 2 3 4 5 6
00010011110111100000000111110001
Response from CTU in application mode with serial number 0002-001746:
13DFEF01 with 6 data bytes [0x00,0x00]
1 2 3 4 5 6
00010011110111111110111100000001
0x09 0xEF 0xEF 0x01
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