Data logging – MoTeC PWC Plug-In ECU User Manual
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Data Logging
MoTeC
Data Logging
To take full advantage of the possibilities of the system, data logging can 
provide you with valuable knowledge about the performance and reliability of 
the engine and craft. The PWC Plug-In ECU systems have the data logging 
option enabled for a free evaluation period of the first 8 hours of engine 
running time. After this, the Data Logging upgrade is required. See Upgrades. 
In the Base Map, a logging configuration is supplied. This configuration will 
log diagnostic channels needed for trouble shooting and will allow for 5 to 15 
minutes of logging. 
To download the log file
Ensure you have ECU Manager software installed.
The M400 Marine ECU must stay powered while downloading the data. In 
most instances the log file can be downloaded within the normal ECU shut 
down period. However, for very large files it might be necessary to 
manually power up the ECU. See the relevant Power Control Strategy 
section for more information. 
1. Connect the ECU to the PC. See Connecting the ECU to a PC.
2. Open ECU Manager software.
3. On the Utilities menu, click Get Logged Data.
4. Click Yes to confirm you would like to clear the logging memory.
5. Click OK when prompted for vehicle details.
6. The next screen contains three tabs: Events, Venue and Vehicle.
The details on the events tab are essential; the other two tabs are 
optional. 
Tip: It is good practice to fill in all relevant details as this will be your 
reference to the circumstances under which this file was recorded 
when you refer to this file in the future, 
7. Enter a Vehicle ID to identify your PWC.
Important:
There are two files created; one with extension .ldx and one with extension 
.ld. The .ldx file is smaller than 1 KB (<1000 B), while the .ld file is much 
larger. If you would like somebody else to look at your log file, please make 
sure you provide the .ld file. 
The default location for the files is C:MoTeC/Logged Data.
Tip: The log files are named using a time stamp. When selecting the log files 
using i2  (see next section), all details you have entered will be listed. This is 
often the easiest way to select the required file. 
