Measurement Computing DBK70 - Manual (Page 84)

6-18 Fundamentals of Obtaining Vehicle Data 928494 DBK70 User’s Manual
OBD CAN Considerations
The database records for OBD CAN are just like the legislated J1979 Mode 1 requests. The PID numbers
are the same, as are all of the scales and offsets. However, the message and filter fields differ from those
seen in the J1979.
Supported Standards
Standard Description Typical application Electrical Speed
ISO11519-2 Low speed multiplexing Automobile Low voltage differential < 125Kbps
ISO11898 High speed multiplexing Automobile, diagnostics Low voltage differential < 1Mbps
ISO11898/3 Low speed multiplexing Automobile Low voltage differential <125Kbps
ISO11992 Medium speed multiplexing Truck High voltage differential < 250Kbps
J1939 Medium speed multiplexing Truck Low voltage differential < 250Kbps
J2411 * Low speed multiplexing Automobile Low voltage, single wire < 100Kbps
J2284 High speed multiplexing Automobile Low voltage differential < 500Kbps
*
Single wire CAN (J2411) is only available with a revision B DBK70-CAN network card and firmware v2.10, or higher.