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General| Type | Surge Protective Device (SPD) |
|---|---|
| Voltage Rating | 120/240V AC |
| Maximum Continuous Operating Voltage (MCOV) | 150V AC |
| Protection Modes | L-N, L-G, N-G |
| Housing Material | Thermoplastic |
| Standards | UL 1449 |
Provides overview of system, specifications, and a quick start guide for operation and installation.
Details functional descriptions and setting parameters for inputs, outputs, protection, metering, and alarms.
Covers BESTlogic design, preprogrammed logic schemes, and application tips.
Details security, ASCII communication, and HMI setup procedures.
Covers installation, testing, maintenance, and BESTCOMS software.
Lists relay's operational features including current, voltage, frequency, and general specifications.
Provides an overview of the BE1-951 relay, user interfaces, and BESTlogic.
Explains BESTlogic, function block characteristics, and logic settings.
Details the front panel HMI, ASCII commands, and BESTCOMS GUI.
Guides through initial setup, entering test settings, and checking input states.
Provides answers to frequently asked questions and troubleshooting tips.
Describes the BE1-951's power system inputs, contact sensing inputs, and outputs.
Details voltage, current, frequency, and power measurements.
Explains the four programmable contact sensing inputs and their jumper settings.
Describes the five general-purpose and one alarm output contacts.
States the BE1-951's protective and control functions and usage steps.
Explains the normal and auxiliary setting groups for adaptive relaying.
Covers instantaneous and time overcurrent protection elements.
Details the 32 directional power protection element.
Covers overexcitation, phase undervoltage/overvoltage, negative-sequence voltage, and auxiliary voltage protection.
Covers over/under frequency protection elements.
Describes the breaker failure protection function and its settings.
Details the general purpose logic timers (62/162).
Covers the reclosing function, including settings and logic.
Details the synchronism-check protection element and its settings.
Covers the 60FL fuse loss detection function.
Details the virtual lockout protection elements (86/186).
Covers virtual selector switches (43) and breaker control switches (101).
Describes the BE1-951's metering capabilities for voltage, current, frequency, and power.
Lists metering functions including voltage, current, frequency, power factor, apparent power, and true power.
Explains the automatic scaling of metered values across different units.
Describes how to view metered values using the BESTCOMS software.
Describes available reports and alarm functions, including programming major/minor alarms.
Covers setting Relay ID and Station ID for report headers.
Details the real-time clock, IRIG input, and time/date format settings.
Explains how to obtain general status reports using ASCII commands.
Describes energy data measurement, demand calculations, and alarm settings.
Covers fuse loss block logic settings.
Details breaker status reporting, duty monitoring, and alarms.
Covers monitoring the trip circuit for voltage and continuity.
Explains fault reporting expressions, targets, oscillographic records, and fault summary reports.
Details the SER report for reconstructing event sequences.
Covers internal relay diagnostics, programmable alarms, and priorities.
Explains how to obtain relay hardware and software version information.
Describes the BESTCOMS feature for comparing settings files.
Explains BESTlogic as a programming method for managing relay capabilities.
Discusses logic settings types: output logic and function block logic.
Details setting the Mode and Input Logic for each function block.
Explains defining output operations using Boolean logic equations.
Describes logic schemes, preprogrammed schemes, and custom logic.
Explains how to select or copy a logic scheme to the active logic.
Describes creating and customizing logic schemes.
Explains how to download and upload relay settings.
Provides guidance on using RG-STAT for debugging logic schemes.
Explains assigning meaningful names to inputs and outputs for reports.
Provides tips for designing and implementing logic schemes.
Discusses application of the BE1-951 using preprogrammed logic schemes.
Defines terms used in logic scheme discussions.
Briefly describes the six available preprogrammed logic schemes.
Provides detailed characteristics of each scheme.
Describes the basic overcurrent protection logic.
Details overcurrent protection with reclosing for feeder breakers.
Covers overcurrent protection with control features.
Describes feeder protection with interlock logic.
Covers logic for bus protection and backup functions.
Provides practical application tips for logic schemes.
Describes the BE1-951 human-machine interface and front panel display.
Details the components of the HMI, including display, indicators, and pushbuttons.
Illustrates and summarizes the six branches of the HMI menu tree.
Describes how to enter settings and perform control operations using the HMI.
Explains the context-sensitive function of the Reset pushbutton.
Details the procedure for entering passwords at the HMI for access.
Describes retrieving and entering relay information using ASCII commands.
Details the RS-232 and RS-485 communication ports.
Explains the format of ASCII commands with general functions and object names.
Describes human-to-machine operations and batch text file operations.
Provides descriptions for HELP, ACCESS, and EXIT commands.
Details commands for reading all or specific groups of relay settings.
Lists miscellaneous, metering, control, report, and setting commands.
Covers general handling, relay registration, and mounting procedures.
Explains locating and configuring contact sensing input jumpers.
Provides cutout and dimension details for H1 and S1 case styles.
Shows terminal connections for S1, S1 Double-ended, and H1 case styles.
Illustrates example applications served by the BE1-951 relay.
Details steps for preparing the relay, including connections and settings validation.
Describes RS-232, RS-485, and IRIG input connections.
Outlines testing categories: Acceptance, Commissioning, Periodic, and Functional.
Describes tools and methods for checking operations, targets, and events.
Details steps for confirming relay specifications and input/output circuit responses.
Verifies physical connections and functional aspects for new installations.
Provides guidelines for scheduled maintenance and verification.
Assesses relay suitability for specific applications beyond basic tests.
Describes methods for verifying analog measurement circuits.
Provides instructions for replacing the backup battery for the real-time clock.
Offers guidance on handling the relay draw-out assembly and preventing damage.
Explains how to update relay firmware and BESTCOMS software.
Describes the BESTCOMS program as a Windows-based GUI for relay configuration.
Highlights BESTCOMS advantages, including off-line setup capabilities.
Provides steps for installing the BESTCOMS software on a PC.
Details the connection procedure between the PC and the BE1-951 relay.
Explains how to obtain and update BESTCOMS software.
Provides instructions on how to start and navigate the BESTCOMS program.
Gives an overview of system setup, including Protection and Control and Reporting/Alarms tabs.
Details PC configuration steps to match the BE1-951 relay settings.
Guides through navigating BESTCOMS screens for relay configuration.
Explains how to copy settings from one group to another.
Describes the process for downloading fault files from the relay.
Covers saving, opening, uploading, downloading, printing, and comparing settings files.
Describes how to compare two different settings files.
Explains the BESTPrint utility for previewing and printing settings files.
Provides general information on Basler Electric inverse time overcurrent systems.
Details timing accuracy, available functions, and equations for curves.
Illustrates characteristic curves and cross-references them to electromechanical relays.
Describes the special 46 curve for generator applications and its characteristics.
Lists all ASCII commands, syntax, descriptions, and HMI screens.
Lists HELP, ACCESS, and EXIT commands.
Lists ASCII commands for reading metered values.
Lists ASCII commands for control operations.
Lists ASCII commands for reporting alarms, status, and data.
Lists ASCII commands for reading and setting protection parameters.
Lists ASCII commands for reading and setting alarm parameters.
Lists ASCII commands for general settings like clock and communication.
Lists ASCII commands for breaker status, duty, and logic settings.
Lists ASCII commands for setting BESTlogic and virtual outputs.
Lists ASCII commands for assigning user-defined names.
Lists ASCII commands for setting protection functions.
Lists ASCII commands for global operations like password management.
Lists ASCII commands for configuring DNP 3.0 settings.
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