Introduction To Sae J1939 Features - AXIOMATIC AX030200 User Manual

1.5.

Introduction to SAE J1939 Features

The software was designed to provide flexibility to the user with respect to messages sent to and
from the ECU by providing:
• Configurable ECU Instance in the NAME (to allow multiple ECUs on the same network)
• Configurable Input Parameters
• Configurable Output Parameters
• Configurable PGN and Data Parameters
• Configurable Diagnostic Messaging Parameters, as required
• Diagnostic Log, maintained in non-volatile memory
Note: Configurable parameters are also called setpoints
This document assumes the reader is familiar with the SAE J1939 standard.
Terminology from the standard is used, but is not described in this document.
The ECU is compliant with the standard SAE J1939, and supports the following PGNs from the
standard.
From J1939-21 - Data Link Layer
• Request
• Acknowledgment
• Transport Protocol – Connection Management
• Transport Protocol – Data Transfer Message
• Proprietary B
Note 1: the user could also configure an input channel to send messages to another node using the Proprietary A
PGN, 61184 ($00EF00)
Note 2: See Section 2,
Proprietary B PGN
From J1939-73 - Diagnostics
•
DM1 - Active Diagnostic Trouble Codes
•
DM2 – Previously Active Diagnostic Trouble Codes
•
DM3 - Diagnostic Data Clear/Reset for Previously Active DTCs 65228 ($00FECC)
•
DM11 - Diagnostic Data Clear/Reset for Active DTCs
From J1939-81 - Network Management
• Address Claimed/Cannot Claim
• Commanded Address
From J1939-71 – Vehicle Application Layer
None of the application layer PGNs are supported as part of the default configurations. However,
the user could configure any of the inputs messages to be sent using a PGN from this section, or
for any of the outputs to respond to a command message with a PGN from this section.
Version 2.0.3
"Axiomatic Proprietary B
Preliminary Documentation – May be Subject to Change
Messages," for the description of how data is sent when using a
59904 ($00EA00)
59392 ($00E800)
60416 ($00EC00)
60160 ($00EB00)
65280 ($00FF00) to
65535 ($00FFFF)
65226 ($00FECA)
65227 ($00FECB)
65235 ($00FED3)
60928 ($00EE00)
65240 ($00FED8)
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