J1939/71 specifies the application layer for a J1939 network and is the only application layer published and supported for J1939. This specification is responsible for defining all application layer SPNs and PGNs. Also included in this specification is a parameters, offset, scaling, and acceptable range. PGNs are defined to be broadcast or destination specific and given a transmit rate. Below is an example PGN.
Global Customers
Protocol Stacks
CAN Device Drivers
Flash Bootloaders
Microcontrollers & DSPs
Real Time Operating Systems