Revision history – Basler Electric DECS-100 User Manual
Page 5

9287500991 Rev M
DECS-100 Introduction
iii
REVISION HISTORY
The following information provides a historical summary of the changes made to the DECS-100 hardware,
firmware, and software. The corresponding revisions made to this instruction manual (9287500991) are
also summarized. Revisions are listed in chronological order.
Hardware
Version and Date
Change
E, 01/01
• Initial release
F, 05/01
• Deepened potting shell
G, 10/01
• Began supplying mounting screws
H, 02/02
• SIL-PADS were added between power components and the heat sinks
• Added manufacturing origin to the rear label
J, 07/02
• Revised EEPROM
K, 02/03
• Replaced transistor Q8B1 with an improved part
L, 03/03
• Incremental improvements to firmware and BESTCOMS™
M, 01/04
• Improved flash memory retention
N, 05/05
• Redesigned current transformer
• Added front panel Underexcitation Limiting indicator
• Enhanced EMI/RFI immunity
O
• Version letter O not used
P, 08/06
• Updated CD-ROM supplied with unit to include English and French
language instruction manuals
Q
• Version letter Q not used
R, 04/07
• Resolved UEL issue with firmware modification
S, 05/07
• Provided German language manual on CD-ROM supplied with DECS-100
T, 07/07
• Released firmware version 2.13.XX
U, 01/08
• Improved power amplifier circuitry with more robust components
V, 03/08
• Added Setpoint Auto Save feature
W, 03/09
• Released BESTCOMS version 1.08.XX.
X, 02/10
• Added enhancement for production testing.
Firmware
Version and Date
Change
1.09.XX, 01/01
• Initial release
1.11.XX, 07/01
• Enabled the protection function during the first 5 seconds of operation
• Modified the OEL setpoint scale factor to be compatible with BESTCOMS
version 1.03.XX
• Added the scale factor for per-unit gain
• Established minimum voltage regulation at 30% of nominal sensing voltage
1.12.XX, 03/02
• Added register to detect CT type
2.13.XX, 07/07
• Added underexcitation limiting
• Added takeover-style excitation limiting
• Added bus voltage matching provisions
2.14.XX, 03/08
• Added Setpoint Auto Save setting
2.14.XX, 04/14
• Maintenance release
BESTCOMS for
Windows
®
OS
Version and Date
Change
1.02.XX, 02/01
• Initial Release
1.03.XX, 08/01
• Changed OEL scale from 100 to 1,000 to match the change in firmware
version 1.11.01
• Changed OEL default setting from 1 to 15
• Changed the default for all protection functions to enabled