Hardware (Standard
Order P/N)
K, 09/03
• Added reference to instruction manual on parts list.
J, 07/03
• Implemented firmware version 2.03.XX and BESTCOMS version
1.02.XX.
H, 06/03
• Circuit board layout revised to improve manufacturing process.
G, 04/02
• Initial Release
Hardware (Special
Order P/N)
H, 12/04
• Modified current metering circuitry.
G, 11/04
• BESTCOMS version 1.04.01 released to address compatibility issue
with Microsoft
Windows
XP SP2.
F, 09/04
• Implemented a higher-performance microprocessor and added an
external memory (EEPROM) chip.
E, 06/04
• Increased moisture resistance by adding conformal coating to the
printed circuit board assembly.
D, 10/03
• Implemented firmware version 2.04.XX and BESTCOMS version
1.03.XX.
C, 09/03
• Added reference to instruction manual on parts list.
B, 07/03
• Implemented firmware version 2.03.XX and BESTCOMS version
1.02.XX.
A, 06/03
• Circuit board layout revised to improve manufacturing process.
Manual
Revision and Date
Change
H, 02/14
• Removed product registration information
• Added electrolytic capacitor maintenance recommendation
G, 01/08
• Added description of watchdog timer to Section 3, Functional
Description.
• Added manual part number and revision to page footers.
F, 03/05
• Added description of sleep mode disable setting.
• Added information about ECU contact configuration and pulsing
settings.
• Changed all “Volvo Penta EDC” references to “Volvo Penta EDC III”.
• Added J1939 interface parameters to Appendix C, DGC-500 Settings
Record.
E, 09/04
• Added text and illustrations describing added real-time clock,
generator run statistics, event log, and generator protection functions.
• Added Time Overcurrent Characteristic Curves appendix.
• Modified style chart to accommodate generator protection option.
• Added torque specification for mounting hardware.
D, 03/04
• Added suitability and warning statements concerning compliance of
part numbers 9355400113 and 9355400114 with cURus Standard
1604.
iv DGC-500 Introduction 9355400990 Rev H