Basler DECS-150 - Page 5

Digital Excitation Control System iii
DECS-150 Revision History
Revision History
A historical summary of the changes made to this instruction manual is provided below. Revisions are
listed in reverse chronological order.
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®
revision
histories.
Instruction Manual Revision History
Manual
Revision and Date
Change
H, Sep 2021
• Adjusted all front panel illustrations to show updated LED labeling
• Added clarification about the DECS-150 sensing and responding to
rms voltage
• Corrected explanation of the exciter diode monitor’s ripple
calculation
• Corrected the DECS-150’s breaker shunt trip output rating
• Added grid code and UKCA compliance statements
• Added caution statement about downgrading DECS-150 firmware
• Corrected unit of measure used by the stator current limiter
G, Jan 2021
• Added description of Tracking Comms Loss alarm
•
Added description of Auto Transfer Enable logic block
F, Apr 2020
• Added Figure 17-4, Typical Connections for motor applications
• Added note about time settings in Timekeeping section
• Added register 1230, Field Voltage Meter, in the Modbus
Communication section
•
Minor text edits throughout manual
E, Sep 2019
• Added support for firmware version 2.04.00 and BESTCOMSPlus
version 4.00.00
• Removed Rev Letter from all pages
• Changed sequential numbering to sectional numbering
• Moved Instruction Manual Revision History into Preface
• Removed standalone Revision History section
D, Apr 2019
• Added support for firmware version 2.03.00 and BESTCOMSPlus
version 3.21.00
•
Minor text edits throughout manual
C1, Oct 2018
• Added California Proposition 65 warning on back of cover page
C, Jan 2018
• Added information on external tracking, network load sharing, and
Modbus
• Added description of Underfrequency Limiter Reset Time setting
B, Mar 2017
• Added caution statement about nonvolatile memory
• Added power dissipation and maximum elevation specifications
• Added manual USB driver installation instructions
• Clarified current-sensing requirements for PSS operation
• Corrected description of online OEL operation