UM AX032200 Version 1.0 22-46
2. OVERVIEW OF 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 Transmit PGN and SPN Parameters
•
Configurable Receive PGN and SPN Parameters
•
Sending DM1 Diagnostic Message Parameters
•
Reading and reacting to DM1 messages sent by other ECUs
•
Diagnostic Log, maintained in non-volatile memory, for sending DM2 messages
2.1. Introduction To Supported Messages
The ECU is compliant with the standard SAE J1939, and supports the following PGNs
From J1939-21 - Data Link Layer
•
Request
59904 ($00EA00)
•
Acknowledgment
59392 ($00E800)
•
Transport Protocol
– Connection Management
60416 ($00EC00)
•
Transport Protocol
– Data Transfer Message
60160 ($00EB00)
•
PropB Transmit, Default Digital I/O State Feedback
65280 ($00FF00)
•
PropB Receive, Default Control Source Data Message
65408 ($00FF80)
•
PropB Receive, Default Control Source Data Message
65409 ($00FF81)
•
PropB Receive, Default Control Source Data Message
65410 ($00FF82)
•
PropB Receive, Default Control Source Data Message
65411 ($00FF83)
•
PropB Receive, Default Control Source Data Message
65412 ($00FF84)
•
PropB Receive, Default Control Source Data Message
65413 ($00FF85)
•
PropB Receive, Default Control Source Data Message
65414 ($00FF86)
•
PropB Receive, Default Control Source Data Message
65415 ($00FF87)
Note: Any Proprietary B PGN in the range 65280 to 65535 ($00FF00 to $00FFFF) can be selected
Note: The Proprietary A PGN 61184 ($00EF00) can also be selected for any CAN Receive or CAN
Transmit messages.
From J1939-73 - Diagnostics
•
DM1
– Active Diagnostic Trouble Codes
65226 ($00FECA)
•
DM2
– Previously Active Diagnostic Trouble Codes
65227 ($00FECB)
•
DM3
– Diagnostic Data Clear/Reset for Previously Active DTCs
65228 ($00FECC)
•
DM11
– Diagnostic Data Clear/Reset for Active DTCs
65235 ($00FED3)
•
DM14
– Memory Access Request
55552 ($00D900)
•
DM15
– Memory Access Response
55296 ($00D800)
•
DM16
– Binary Data Transfer
55040 ($00D700)
From J1939-81 - Network Management
•
Address Claimed/Cannot Claim
60928 ($00EE00)
Commanded Address
65240 ($00FED8)
