# DIWA.5 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 package) | 1-bit | 0 |
PDU format | 8-bit | 11110000 |
PDU-specific | 8-bit | 00000000 |
Source address (sender address) | 8-bit | 00010000 |
CAN source addresses of Voith control units: Retarder: 10h (16d) Transmission: 03h (3d) CAN source addresses of vehicle control units used: Brake system: 0Bh (11dec) Cruise control 11h (17dec) Engine: 0h (0dec) Shift console primary 5h (5dec) Management computer 27h (39dec)
| Further topics:
More information on: CAN operational principle More information on: Voith CAN - training material Up > Higher-level section © by Voith Turbo GmbH & Co. KG send remarks to joachim.ehleiter@voith.com (electronic department) or r.theilacker@voith.com (electronic department)