
TT-1285 12/04f 5
11. If the application files or personality parameter files
arestoredonadisk,insertthediskintothe
computer’s disk drive.
12. Select the application file for your system’s engine
and alternator. Application files and personality
parameter files have “.s19” or “.s37” extensions on
the filenames. Use only files obtained directly from
the manufacturer. There are different ways to
select the file:
DSelect File>Open or click on the Browse button
to open the standard Windows file open dialog
box to select a file; or
DType the path and filename directly into the
Application Data File text box. Do not use
spaces or periods in the path name of the
directory where the files are stored.
Note: Do not move the application files to a
different directory. Two separate files are
needed for all uploads: an application file
with a “.s19” or “.s37” file extension and a
command file with a “.cmd” file extension.
Both files must exist in the same directory,
even though the user will not see the
command file.
13. Click the Run button on the computer screen. The
program performs its memory initialization.
Note: If the wrong COM port was selected in
step 7, an error message will appear during
the initialization. Click RESET, select a
different COM port, and click RUN to begin
again.
14. The program will prompt you to reset the target
controller. Reset the 550 controller by
reconnecting the engine start battery cable,
negative (--) lead last.
15. A warning dialog box appears providing one last
chance to abort the data loading process. Click the
OK button to start loading. The loading process
may take several minutes.
Note: Do not interrupt the upload process for any
reason. An interruption of the upload
process could cause permanent damage to
the controller’s programming, requiring
replacement of the controller’s main logic
board and additional reprogramming.
16. The program indicates whether the file transfer
was successful. “Upload complete” indicates that
the file transfer was successful.
17. Close the program by selecting File>Exit, or by
clicking the Close Window button in the upper right
corner of the computer screen.
If you want to use Program Loader again, click the
RESET button at the bottom of the screen rather
than exiting the program.
1.3 Reset the controller.
18. Reset the controller by disconnecting and then
reconnecting the generator set engine starting
battery(ies) as instructed in the following steps.
a. Disconnect the generator set engine starting
battery(ies), negative (--) lead first.
b. Reconnect the generator set engine starting
battery, negative (--) lead last.
19. Reconnect power to the battery charger, if
equipped.
1.4 Check the controller settings.
20. Check the controller settings. If you used the
Monitor II software to retrieve the controller’s user
settings before uploading the new files, you may
now use Monitor II to restore those settings to the
controller. Follow the instructions in the Software
Operation and Installation Manual. Otherwise,
follow the instructions in the controller operation
manual to enter user settings using the controller
keypad and display.
1.5 Return to automatic operation.
21. Disconnect the null modem cable from the
computer and the controller.
22. Close the enclosure’s front panel. Install and
tighten the screws.
23. Replace the enclosure’s top cover. Install and
tighten the screws.
24. Test the generator set operation. Refer to the
generator set operation manual for instructions to
start and run the generator set.
25. Place the generator set master switch in the AUTO
position.