Document Outline

• BE1-851
• Introduction
• Revision History
• Contents
• 1 - General Information
  • General
  • Features
    • Input and Output Functions
      • Power System Measurement Functions
      • Contact Sensing Inputs
      • Contact Outputs
    • Protection and Control Functions
      • Overcurrent Protection
      • Breaker Failure Protection
      • General Purpose Logic Timers
      • Setting Groups
      • Virtual Control Switches
    • Metering
    • Reporting and Alarm Functions
      • Relay Identification
      • Clock
      • General Status Reporting
      • Demand Reporting
      • Breaker Monitoring
      • Trip Circuit Monitoring
      • Fault Reporting
      • Sequence of Events Recorder
      • Alarm Function
      • Version Report
    • BESTlogic™ Programmable Logic
    • Security
    • Human-Machine Interface
    • Communication
    • BESTCOMS™ Software
  • Primary Applications
  • Model and Style Number Description
    • General
    • Sample Style Number
  • Operational Specifications
    • Metered Current Values and Accuracy
    • Calculated Values and Accuracy
      • Demand
    • 50T Instantaneous Overcurrent Protection
      • Pickup
        • Accuracy (50TP, 50TN)
        • Accuracy (50TQ)
      • Time Delay
        • Accuracy
    • 50BF Breaker Failure Protection
      • Pickup
      • Time Delay
    • 51 Time Overcurrent Protection
      • Pickup
        • Accuracy (51P, 51N)
        • Accuracy (51Q)
      • Time Current Characteristic Curves
    • 62 Logic Timers (
    • 79 Recloser Protection
      • Reclose (791, 792, 793, 794), Reset (79R), Max Cycle (79M), Reclose Fail (79F)
    • Automatic Setting Group Characteristics
      • Switch Level
      • Switch Timer
  • General Specifications
    • AC Current Inputs
      • 5 Ampere CT
      • 1 Ampere CT
    • Analog to Digital Converter
    • Power Supply
      • Option 1
      • Option 2
      • Option 3
      • Frequency Range
      • Burden
    • Output Contacts
    • Contact-Sensing Inputs
      • Turn-On Voltage
      • Input Burden
      • Recognition Time
    • IRIG
    • Real-Time Clock
    • Communication Ports
      • Interface
    • Display
    • Isolation
    • Surge Withstand Capability
      • Oscillatory
      • Fast Transient
    • Radio Frequency Interference (RFI)
    • Electrostatic Discharge (ESD)
    • Shock
    • Vibration
    • Environment
      • Temperature
      • Humidity
    • CE Qualified
    • UL Recognition
    • C.S.A. Certification
    • GOST-R Certification
    • DNP Certification
    • Physical
• 2 - Quick Start
  • General
  • BESTlogic™
    • Characteristics of Protection and Control Function Blocks
    • Function Block Logic Settings
    • Output Logic Settings
  • User Interfaces
    • Front Panel HMI
    • ASCII Command Communications
      • Command Structure
      • Human-to-Machine ASCII Command Operations
      • Batch Command Text File Operations
    • BESTCOMS™ for BE1-851, Graphical User Interface
  • Getting Started
    • Entering General Settings
  • FAQ/Troubleshooting
    • Frequently Asked Questions (FAQs)
• 3 - Input and Output Functions
  • General
  • Current Inputs
    • Current Measurement Functions
      • Nominal Frequency
      • Digital Signal Processing
      • Negative-Sequence Current
      • Neutral Current
      • Fast-Dropout Current Detector
    • Current Measurement Functions Setup
  • Contact-Sensing Inputs
    • Digital Input Conditioning Function
      • Setting Up the Digital Input Conditioning Function
      • Retrieving Input Status Information from the Relay
  • Outputs
    • Hardware Outputs and Virtual Outputs
    • Retrieving Output Status
    • Relay Trouble Alarm Disable
    • Programmable Hold Timer
    • Output Logic Override Control
      • Enabling Logic Override Control
      • Pulsing an Output Contact
      • Holding an Output Contact Open or Closed
      • Returning an Output Contact to Logic Control
      • Retrieving Output Logic Override Status
• 4 - Protection and Control
  • Introduction
    • Using Protection and Control Functions
  • Setting Groups
    • BESTlogic™ Settings for Setting Group Control
    • Operating Settings for Setting Group Control
    • Logic Override of the Setting Group Control Function
    • Retrieving Setting Group Control Status from the Relay
  • Overcurrent Protection
    • 50T - Instantaneous Overcurrent Protection with Settable Time Delay
      • BESTlogic™ Settings for Instantaneous Overcurrent Protection
      • Operating Settings for Instantaneous Overcurrent Protection
      • Retrieving Instantaneous Overcurrent Protection Status from the Relay
    • 51 - Time Overcurrent Protection
      • BESTlogic™ Settings for Time Overcurrent Protection
      • Operating Settings for Time Overcurrent Protection
      • Setting Programmable Time Current Characteristic Curve Coefficients
      • Retrieving Time Overcurrent Protection Status from the Relay
    • Negative-Sequence Overcurrent Protection
      • Pickup Settings for Negative-Sequence Overcurrent
      • Coordination Settings for Negative-Sequence Overcurrent Protection
      • Delta/Wye Transformer Application
  • Breaker Failure Protection
    • BF - Breaker Failure Protection
      • BESTlogic™ Settings for Breaker Failure Protection
      • Operating Settings for Breaker Failure Protection
      • Retrieving Breaker Failure Protection Status from the Relay
  • Logic Timers
    • 62 - General Purpose Logic Timers
      • Mode 1, PU/DO (Pickup/Dropout Timer)
      • Mode 2, One-Shot Nonretriggerable Timer
      • Mode 3, One-Shot Retriggerable Timer
      • Mode 4, Oscillator
      • Mode 5, Integrating Timer
      • Mode 6, Latch
      • BESTlogic™ Settings for General Purpose Logic Timers
      • Operating Settings for General Purpose Logic Timers
      • Retrieving General Purpose Logic Timers Status from the Relay
  • Reclosing
    • Inputs and Outputs
      • Reclose Initiate (RI)
      • Breaker Status (STATUS)
      • Reclose Wait (WAIT)
      • Drive to Lockout/Block Recloser (DTL/BLK)
      • Close (79C)
      • Recloser Running (79RNG)
      • Lockout (79LO)
      • Recloser Fail Timer (79F)
      • Sequence Controlled Block (79SCB)
    • BESTlogic™ Settings for Reclosing
    • Operating Settings for Reclosing
      • Reset Timer (79RST)
      • Maximum Cycle Timer (MAX Cycle)
      • Sequence Controlled Block (SCB)
    • Zone-Sequence Coordination
    • Retrieving Reclosing Status from the Relay
  • Virtual Switches
    • 43 - Virtual Selector Switches
      • BESTlogic™ Settings for Virtual Selector Switches
      • Select Before Operate Control of Virtual Selector Switches
      • Retrieving Virtual Selector Switches Status from the Relay
    • 101 - Virtual Breaker Control Switch
      • BESTlogic™ Settings for Virtual Breaker Control Switch
      • Select Before Operate Control of Virtual Breaker Control Switch
      • Retrieving Breaker Control Switch Status from the Relay
• 5 - Metering
  • General
  • Metering Functions
• 6 - Reporting and Alarms
  • General
  • Relay Identifier Information
  • Clock
    • IRIG Port
    • Setting the Clock Function
    • Reading and Setting the Clock
    • Alternate DST (Daylight Saving Time) Settings
      • Select Floating Date or Fixed Date Configuration
      • If using Floating Date Configuration
      • If using Fixed Date Configuration
      • UTC (Coordinated Universal Time)
  • General Status Reporting
    • General Status Report
      • Input (1234)
      • Output (A12345)
      • CO-OUT (A12345)
      • CO-43/143/243/343
      • CO-101 (101SC)
      • CO-Group
      • Active Logic
      • Logic Var (00-31), Logic Var (32-63)
      • Recloser (79)
      • Active Group
      • Breaker (52)
      • Diag/Alarm
    • Other RG Commands
  • Demand Functions
    • Demand Reporting
      • Demand Calculation and Reporting
      • Setting Demand Reporting
      • Retrieving Demand Reporting Information
  • Breaker Monitoring
    • Breaker Status Reporting
      • Programming the Breaker Status Reporting Function
    • Breaker Duty Monitoring
      • Setting the Breaker Duty Monitoring Function
      • Retrieving Breaker Duty Information
      • Breaker Clearing Time Monitoring
    • Breaker Alarms
  • Trip Circuit Monitor
  • Fault Reporting
    • Logic Expressions for Fault Reporting
      • Trip
      • Pickup
      • Logic
      • Fault Reporting Trigger Settings
    • Targets
      • Setting the Targets Function
      • Retrieving Target Information
    • Fault Summary Reports
      • Fault Summary Report Example
      • Retrieving Fault Report Information from the Relay
      • Receiving Fault Report Information from COM1 using the SG-DATADUMP command
    • Oscillographic Records
      • Retrieving Oscillographic Records
  • Sequence of Events Recorder
    • Retrieving SER Information Using BESTCOMS™
    • Retrieving SER Information Using ASCII Commands
  • Alarms Function
    • Relay Trouble Alarms
    • Major, Minor, and Logic Programmable Alarms
      • Programming Alarm Priorities
      • Retrieving and Resetting Alarm Reports
    • Links between Programmable Alarms and BESTlogic™
      • Programmable Alarms Controlled by BESTlogic Elements
      • Programmable Alarms Reset
      • BESTlogic™ Elements Controlled by Programmable Alarms
  • Hardware and Software Version
  • Settings Compare
• 7 - BESTlogic Programmable Logic
  • Introduction
  • Working with Programmable Logic
    • Function Block Logic Settings
    • Output Logic Settings
      • Defining Output Operation
      • Virtual and Hardware Outputs
      • BESTlogic Expression Builder
  • Logic Schemes
    • User Logic Scheme
    • Custom Logic Schemes
    • Creating or Customizing a Logic Scheme
    • Sending and Retrieving Relay Settings
      • Retrieving Relay Settings
      • Sending Relay Settings
    • Debugging the Logic Scheme
  • User Input and Output Logic Variable Names
  • BESTlogic™ Application Tips
• 8 - Application
  • General
  • Explanation of Terms
  • Overview of Preprogrammed Logic Schemes
    • Factory Default Logic Settings
    • Feeder_1 Logic Scheme
    • Feeder_2 Logic Scheme
    • Feeder_3 Logic Scheme
    • Feeder_4 Logic Scheme
    • BUS Logic Scheme
    • BACKUP Logic Schemes
  • Details of Preprogrammed Logic Schemes
  • Factory Default Logic Settings
    • Operation - Protection
    • Operation - Setting Group Selection
    • Operations - Alarms
    • Factory Default Logic Settings and Equations for Sensing Input Type H Relays
    • Factory Default Logic Settings and Equations for Sensing Input Type G Relays
  • Feeder_1 Logic Scheme
    • Normal Operation - Protection
    • Normal Operation - Setting Group Selection
    • Normal Operation - Bus Protection
    • Normal Operation - Alarms
    • Contingency Operation - Test Mode
    • Contingency Operation - Backup Protection for Feeder Breaker Failure
    • Contingency Operation - Backup Protection for Feeder Relay Out-of-Service
    • Feeder_1 Logic Settings and Equations for Sensing Input Type H Relays
    • Feeder_1 Logic Settings and Equations for Sensing Input Type G Relays
  • Feeder_2 Logic Scheme
    • Normal Operation - Control
    • Normal Operation - Protection
    • Normal Operation - Reclosing
    • Normal Operation - Setting Group Selection
    • Normal Operation - Bus Protection
    • Normal Operation - Alarms
    • Contingency Operation - Test Mode
    • Contingency Operation - Backup Protection for Feeder Breaker Failure
    • Contingency Operation - Backup Protection for Feeder Relay Out-of-Service
    • Feeder_2 Logic Settings and Equations for Sensing Input Type H Relays
    • Feeder_2 Logic Settings and Equations for Sensing Input Type G Relays
  • Feeder_3 Logic Scheme
    • Normal Operation - Control
    • Normal Operation - Protection
    • Normal Operation - Reclosing
    • Normal Operation - Setting Group Selection
    • Normal Operation - Bus Protection
    • Normal Operation - Alarms
    • Contingency Operation - Test Mode
    • Contingency Operation - Backup Protection for Feeder Breaker Failure
    • Contingency Operation - Backup Protection for Feeder Relay Out-of-Service
    • Feeder_3 Logic Settings and Equations for Sensing Input Type H Relays
    • Feeder_3 Logic Settings and Equations for Sensing Input Type G Relays
  • Feeder_4 Logic Scheme
    • Normal Operation - Control
    • Normal Operation - Protection
    • Normal Operation - Reclosing
    • Normal Operation - Bus Protection
    • Normal Operation - Alarms
    • Contingency Operation - Test Mode
    • Contingency Operation - Backup Protection for Feeder Breaker Failure
    • Contingency Operation - Backup Protection for Feeder Relay Out-of-Service
    • Feeder_4 Logic Settings and Equations for Sensing Input Type H Relays
    • Feeder_4 Logic Settings and Equations for Sensing Input Type G Relays
  • Bus and Backup Logic Schemes
    • Normal Operation - Control
    • Normal Operation - Bus Protection
    • Normal Operation - Setting Group Selection
    • Normal Operation - Alarms
    • Contingency Operation - Test Mode
    • Contingency Operation - Backup Protection for Bus Breaker Failure
    • Contingency Operation - Backup Protection for BUS Relay Out-of-Service
    • Contingency Operation - Backup Protection for BACKUP Relay Out-of-Service
    • Contingency Operation - Backup Protection for Feeder Relay Out-of-Service
    • BUS Logic Settings and Equations for Sensing Input Type H Relays
    • BUS Logic Settings and Equations for Sensing Input Type H Relays
    • BACKUP Logic Settings and Equations for Sensing Input Type H Relays
    • BACKUP Logic Settings and Equations for Sensing Input Type G Relays
  • Miscellaneous Logic Settings
  • Application Tips
    • Trip Circuit Continuity and Voltage Monitor
    • Close Circuit Monitor
    • High-Speed Reclose
    • Block Load Tap Changer
    • Block Neutral and Negative-Sequence Protection
    • Setting Group Selection
    • Output Contact Seal-In
    • Oscillographic Recording of Breaker Closures and Openings
• 9 - Security
  • Introduction
    • Setting Password Protection
• 10 - Human-Machine Interface
  • General
  • Front Panel Display
    • Menu Tree
    • Automatic HMI Display Priorities
      • Editing the Automatic Scrolling List
  • HMI Operations
    • Entering Settings
    • Entering Passwords
    • Performing Control Operations
    • Resetting Functions
• 11 - ASCII Command Interface
  • Introduction
  • Serial Port
    • RS-485 Port
    • RS-232 Ports
  • ASCII Command Interface
    • Command Structure
    • Using the ASCII Command Interface
      • Human to Machine ASCII Command Operations
      • Command Text File Operations
      • Embedding Comments into ASCII Text Files
    • Miscellaneous Command Descriptions
      • HELP Command
      • ACCESS Command
      • EXIT Command
    • Settings (S) Command Descriptions
      • Reading All Settings
      • Reading Specific Groups of Settings
      • Reading Logic Settings
      • Configuring the Serial Port Communication Protocol
  • Command Summary
    • Miscellaneous Commands
    • Metering Commands
    • Report Commands
    • Setting Command
    • Alarm Setting Commands
    • Breaker Monitor Setting Commands
    • General Setting Commands
    • Programmable Logic Setting Commands
    • User Programmable Name Setting Command
    • Protection Setting Commands
    • Global Commands
• 12 - Installation
  • General
  • Contact-Sensing Input Jumpers
  • Mounting
    • Case Cutouts and Dimensions
    • Dovetailing Procedure
  • Relay Connections
    • Typical DC and AC Connections
    • Terminal Blocks
  • Settings
  • Preparing the Relay for Service
  • Communication Connections
    • Front/Rear RS-232 Connectors
    • RS-485 Connector
    • IRIG Input and Connections
    • Terminal Assignments
  • Updating Insertion Guide in S1 Case
    • Procedure
• 13 - Testing and Maintenance
  • General
  • Power-Up
  • Communications
  • Style and Serial Number Verification
  • IRIG
  • Contact Sensing Input and Output Contacts
  • Pickup and Dropout Testing
    • 50T Pickups and Dropouts
    • 51 Pickups and Dropouts
  • Timings
    • 50T Timings
    • 51 Timings
  • Maintenance
    • Backup Battery for Real Time Clock
      • To Replace Battery in H1 Case
      • To Replace Battery in S1 Case
  • Storage
  • Updating Firmware and Software
    • Updating Relay Firmware
    • Updating BESTCOMS™ Software
• 14 - BESTCOMS Software
  • Description
  • Introduction
  • Installation
    • PC Requirements
    • Installing the Program on Your PC Using Microsoft® Windows®
    • Connecting the PC to the Relay
  • Updating BESTCOMS™ Software
  • Starting BESTCOMS™
    • Start BESTCOMS™
    • System Setup Summary Screen
  • Configure the PC
  • Setting the Relay
    • Select Logic Scheme for Display
    • Settings Display and Selection
    • General Operation
      • General Information
      • Power System
      • Global Security
      • Communication
      • HMI Display
    • Setting Group Selection
    • Overcurrent
      • 51 (Time Overcurrent)
      • 50T and 150T (Instantaneous Overcurrent)
    • Reclosing
    • Breaker Failure
    • Logic Timers
    • Reporting and Alarms
      • Clock Display Mode
      • Demands
      • Breaker Monitoring
      • Alarms
      • Fault Recording
    • Inputs and Outputs
      • Inputs 1 - 4
      • Outputs 1 – 5, A
      • Virtual Switches
    • BESTlogic
      • Logic Select
      • Virtual Outputs
      • Function Blocks
  • Copying Settings from Group to Group
  • Downloading Oscillography Files
    • View Fault Details
    • View Fault Sequence of Events
    • Download an Oscillography File
  • Metering
  • File Management
    • Saving a Settings File
    • Opening a Settings File
    • Uploading a Settings File
    • Downloading a Settings File
    • Printing a Settings File
  • Settings Compare
  • BESTprint™
• A - Time Overcurrent Characteristic Curves
  • General
  • Curve Specifications
  • Time Overcurrent Characteristic Curves
    • Time Dial Setting Cross-Reference
      • Using Table A-3
• B - Command Cross-Reference
  • Introduction
• C - Terminal Communication