DIWA CAN messages
Structure of a 29-bit CAN identifier:
| Structure | Bits | Example | |
| ERC1: CAN-ID 18F00010h | |||
| Priority | 3-bit | 110 | |
| R1 (reserved bit) | 1-bit | 0 | |
| DP (data packet) | 1-bit | 0 | |
| PDU format | 8-bit | 11110000 | |
| PDU-specific | 8-bit | 00000000 | |
| Source address (sender address) | 8-bit | 00010000 |
CAN sender addresses of Voith controllers:
- Retarder: 10h (16d)
- Transmission: 03h (3d)
CAN sender addresses of vehicle controllers used:
- Brake system: 0Bh (11dec)
- Cruise control 11h (17dec)
- Engine: 0h (0dec)
- Shift console primary: 5h (5dec)
- Management computer: 27h (39dec)
CAN (Controller Area Network) in accordance with SAE J1939 CAN (Controller Area Network) operating principle