CANbus specs

[moridin2004]

What format is the CANbus outputting in? Intel standard, Intel sequential, one of Motorola's, or something else? I'm trying to get a Series 2 box to communicate via CANbus with a Race Technology DL1 via their CANbus adapter.

[bishop333]

I am in the same boat, would like to know what format the EMS uses for CANbus outputting?

[Brock]

Me 3. The AEMnet info web page says that it is an open architecture. So where can the message spec be found?
Or let me know who to talk to.

Thanks!

[Brock]

I was just poking around the AEMTuner software and the CAN bus seems to be mostly user configurable.
You have the option of the data rate (500k is most common in automotive) and whatever CAN ID that you want for the messages with a MAX of 4 messages. Each message is the full length of 8 bytes (also common in automotive). You can select the parameter that you want sent out on the bus for each byte location. Some parameters require 2 bytes. Byte 1 is the left most byte if you are looking at the message with a CAN bus monitor.

These settings are in the CAN bus telemetry setup menu and also have to be enabled. These settings are part of the calibration, so you have to upload it to the ECU before your settings take affect.

The BIG question now is: What is the scaling for each parameter?

[BN]

[Brock]

Perfect! Thanks!

[sohc_mshue]

Awesome!  I will be trying this soon with a PCS D200 logger.