UMAX090600 Version 1
Preliminary Documentation – May be Subject to Change
iv
NOTE: When a name is
bolded
, this refers to the name of a user configurable setpoint
group. If the name is in
italic,
refers to the name of a user configurable setpoint within a
setpoint group. If the name is in
italic
and with single quotation marks (‘’), this refers to the
the value of that configurable setpoint.
For example: In the
Power Supply
setpoint group,
Over Voltage Limit
set to
‘Proportional
Current’
This product uses the Axiomatic Electronic Assistant to program the setpoints for
application specific requirements. After configuration, the setpoints can be saved in a file
which could then be loaded into other AX090600 controllers over the CAN network.
One point to note is that if the setpoint
“Auto update when control changes”
is set
to TRUE in the file, the controller will automatically update some setpoints to new
defaults when key setpoints are changed. This is a useful feature during configuration,
but during a setpoint file upload it may be required to re-flash the same file a second
time if this feature is active. The second upload will ensure all setpoints are correctly
updated, since some of them may have been automatically overwritten during the first
re-flashing process, and therefore don’t match the values in the file.
To avoid this potential problem, it is highly recommended by Axiomatic to always set
the
Auto update when control changes
setpoint to ‘
False’
before saving a setpoint
file, so that it all setpoints will be set as expected on the first upload.
REFERENCES
J1939
Recommended Practice for a Serial Control and Communications Vehicle
Network, SAE, April 2011
J1939/21
Data Link Layer, SAE, December 2010
J1939/71 Vehicle
Application Layer, SAE, March 2011
J1939/73 Application
Layer-Diagnostics, SAE, February 2010
J1939/81
Network Management, SAE, May 2003
TDAX090600
Technical Datasheet, 24VDC to 14VDC 2A Battery Charger
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.
