Campbell Hausfeld SDM-CAN - Manual (Page 6)

Appendix A. Principles of Operation ......................... A-1
A.1 Data Collection ....................................................................................A-1
A.2 Frame Transmission.............................................................................A-1
Appendix B. A Summary of Data Types .................... B-1
Appendix C. Applications of the SDM-CAN on
Networks Complying with the J1939
SAE Standards ...................................... C-1
C.1 J1939 29-Bit Identifier Format ............................................................C-1
C.2 J1939 11-Bit Identifier Format ............................................................C-1
C.3 J1939 Data Frame Format....................................................................C-2
C.4 Retrieving J1939 Accelerator Pedal Position Data using a
CR9000/CR5000 (Bus Speed 250k Baud) ..........................................C-2
C.4.1 Encoding the Identifier Field Values .........................................C-2
C.4.2 Finding the Start Bit ...................................................................C-3
C.5 Retrieving J1939 Accelerator Pedal Position Data using a
CR23X/CR10X (Bus Speed 250k Baud) ............................................C-4
C.5.1 Encoding the Identifier Field Values .........................................C-4
C.5.2 Finding the Start Bit ...................................................................C-5
Appendix D. Examples of CAN Data Frames and Data
Encoding and Decoding ....................... D-1
Figures
1-1 SDM-CAN CAN-Bus Interface ........................................................... 1-1
2-1 SDM-CAN Internal Jumpers................................................................ 2-3
2-2 SDM-CAN Isolation enabled ............................................................... 2-3
2-3 SDM-CAN Isolation disabled .............................................................. 2-4
2-4 Using the Spring Loaded Terminal Blocks (Top Option) .................... 2-5
2-5 Using the Spring Loaded Terminal Blocks (Front Option).................. 2-5
Tables
2-1 Switch Position and Addresses ............................................................ 2-1
2-2 LED Status Indication .......................................................................... 2-6
2-3 CIA CAN Connector Pin Connections................................................. 2-6
3-1 Typical Settings of the CAN Speed Parameters................................... 3-5
5-1 RS232 Pin Out...................................................................................... 5-1
C-1 Mapping of the J1939 Fields into a 29-Bit Identifier ..........................C-1
C-2 Mapping of the J1939 Fields into a 11-Bit Identifier ...........................C-1
C-3 J1939 Data Frame format ....................................................................C-2
C-4 Mapping of J1939 Identifier Field Values into a 29-Bit Identifier......C-3
C-5 Accelerator Pedal Position Value Byte Number..................................C-3
C-6 Mapping of J1939 Identifier Field Values into a 29-Bit Identifier.......C-5
C-7 Accelerator Pedal Position Value Byte Number...................................C-5