Document Outline

• COVER
• REVISION HISTORY
• CONTENTS
• 1 • GENERAL INFORMATION
  • INTRODUCTION
  • FEATURES
  • MODEL AND STYLE NUMBERS
    • Style Number
  • SPECIFICATIONS
    • Operating Power
    • Generator Voltage Sensing
    • Generator Current Sensing
    • Bus Voltage Sensing (Optional)
    • Accessory Input
    • Communication Port
    • Contact Input Circuits
    • Common Alarm Output
    • Field Output
    • AVR Operating Mode
    • FCR (Manual) Operating Mode
    • Var Operating Mode (Optional)
    • PF Operating Mode (Optional)
    • Parallel Compensation
    • Field Overvoltage Protection
    • Generator Overvoltage Protection
    • Overexcitation Limiter
    • Underexcitation Limiter
    • Soft Start Function (AVR Mode Only)
    • Voltage Matching
    • Metering (BESTCOMS™)
    • Environment
    • Type Tests
    • Physical
    • Maritime Recognition
    • UL Recognized Component
    • CE Compliance
    • Figures
• 2 • HUMAN-MACHINE INTERFACE
  • INTRODUCTION
  • FRONT PANEL INDICATORS
    • Overexcitation Shutdown
    • Generator Overvoltage
    • Loss of Generator Sensing
    • Overexcitation Limiting
    • Underexcitation Limiting
    • Var/P.F. Mode Active
    • Manual Mode Active
    • Underfrequency Active
  • COMMUNICATION PORT
    • Figures
• 3 • FUNCTIONAL DESCRIPTION
  • INTRODUCTION
  • DECS-100 FUNCTION BLOCKS
    • Analog Input Circuits
    • Contact Input Circuits
    • RS-232 Communication Port
    • Microprocessor
    • Power Input Stage
    • Power Supply
    • Power Amplifier Stage
    • Front Panel Indicators
    • Relay Output
  • DECS-100 OPERATING FEATURES
    • Operating Modes
    • Reactive Droop Compensation
    • Underfrequency
    • Protection
    • Limiters
    • Soft Start
    • Voltage Matching (Optional)
    • Figures
• 4 • INSTALLATION
  • INTRODUCTION
  • MOUNTING
  • CONNECTIONS
    • DECS-100 Terminations
    • Bus Voltage Sensing Inputs (Optional)
    • Generator Voltage Sensing Inputs
    • Phase B Line Current Sensing Input
    • Accessory Input
    • Raise and Lower Contact Inputs
    • Var/Power Factor Control Contact Input (Optional)
    • Parallel Generator Compensation
    • Parallel Control and Var/PF Control Inputs
    • Voltage Matching (Optional)
    • Power Supply Inputs
    • Chassis Ground
    • Power (Field) Output
    • Relay Output (Alarm)
    • Communication Port
    • DECS-100 Connections for Typical Applications
  • INSTALLATION FOR CE COMPLIANCE
    • Mounting
    • Wiring
    • Ferrite Clamps
  • INSTALLATION FOR EMC COMPLIANCE
    • Protection
    • Mounting
    • Wiring
    • Ferrite Beads
  • PRELIMINARY SETUP
    • Operating Power Considerations During DECS-100 Programming
  • ADJUSTMENTS
    • Figures
    • Tables
• 5 • BESTCOMS™ SOFTWARE
  • INTRODUCTION
  • INSTALLATION
    • Installing BESTCOMS
    • Connecting the DECS-100 and PC
  • STARTING BESTCOMS™
    • Establishing Communication
  • CHANGING SETTINGS
  • SENDING AND RECEIVING SETTINGS
    • Sending Settings
    • Receiving Settings
    • Saving Settings to DECS-100 Memory
  • SETTING DEFINITIONS
    • System Configuration
    • Setting Adjustments
    • Control Gain
    • Analysis
    • Protection Settings
    • Metering, Operation and Alarms
  • PID DATA
    • PID Calculation Based on Input Values
    • Adding to the PID List
    • Removing a PID List Record
    • Retrieving Existing Data from the PID List
  • SETTINGS FILES
    • Printing Settings Files
    • Saving Settings Files
    • Uploading Settings Files
  • PASSWORD PROTECTION
    • Changing the Password
  • TERMINATING COMMUNICATION
  • EMBEDDED FIRMWARE
    • Updating the Firmware
    • Figures
    • Tables
• 6 • MAINTENANCE AND TROUBLESHOOTING
  • PREVENTIVE MAINTENANCE
    • Connections
    • Storage / Electrolytic Capacitors
    • Repair Procedures
  • TROUBLESHOOTING
    • Generator Voltage Does Not Build
    • Low Generator Output Voltage
    • High Generator Output Voltage
    • Poor Voltage Regulation
    • Generator Output Unstable (Hunting)
    • Overexcitation Shutdown Indicator is Annunciating
    • Loss of Generator Sensing Indicator is Annunciating
    • Overexcitation Limiting Indicator is Annunciating
    • Underexcitation Limiting Indicator is Annunciating
    • Underfrequency Active Indicator is Annunciating
    • No Droop
    • No Voltage Matching