UMAX141100 Version 1.0.6.
Preliminary Documentation – May be subject to change
21 - 36
4.
Overview
of
J1939
Features
The software was designed to provide flexibility to the user with respect to messages sent from the
ECU by providing:
Configurable ECU Instance in the NAME (to allow multiple ECUs on the same network)
4.1.
Introduction
to
Supported
Messages
The ECU is compliant with the standard SAE J1939, and supports following PGNs from the standard.
From J1939-81 – Network Management
Address Claimed/Cannot Claim
60928 0x00EE00
Commanded Address
65240 0x00FED8
From J1939-71 – Vehicle Application Layer
Software Identification
65242 0x00FEDA
Setpoints are accessed using standard Memory Access Protocol (MAP) with proprietary addresses.
The Electronic Assistant
®
(EA) allows for quick and easy configuration of the unit over CAN
network.
4.2.
NAME,
Address
and
Software
ID
The CAN to Bluetooth ECU has the following default for the J1939 NAME. The user should refer to
the SAE J1939/81 standard for more information on these parameters and their ranges.
Arbitrary Address
Capable
Yes
Industry Group
0, Global
Vehicle System
Instance
0
Vehicle System
0, Non-specific system
Function
130, On-board data logger
Function Instance
1, Axiomatic AX141100
ECU Instance
0, First Instance
Manufacture Code
162, Axiomatic Technologies
Identity Number
Variable, uniquely assigned during factory programming for each
ECU
The ECU Instance is a configurable setpoint associated with the NAME. Changing this value will
allow multiple ECUs of this type to be distinguishable from one another when they are connected on
the same network.
