Basler-electric BE1-851 User Manual

INSTRUCTION MANUAL FOR OVERCURRENT PROTECTION SYSTEM BE1-851 Publication: 9289900990 Revision: R 02/14

Application Firmware Version and Date Change • Setting groups can be changed during the reclosing sequence by monitoring the 79 shot counter. • Chan

5-2 BE1-851 Metering 9289900990 Rev R

SECTION 6 • REPORTING AND ALARMS TABLE OF CONTENTS SECTION 6 • REPORTING AND ALARMS ...

Figure 6-21. BESTlogic Function Element Screen Alarm Reset Logic ... 6-34 Figure 6-22. Settings Compar

SECTION 6 • REPORTING AND ALARMS General This section describes all of the reports that are available from the BE1-851 relay, how to set the reporting

Clock The BE1-851 provides a real-time clock with capacitor backup that is capable of operating the clock for up to eight hours without power to the r

mm/dd/yy or dd/mm/yy format. The default date format is mm/dd/yy. The relay clock can also accommodate daylight saving time changes. Automatic dayligh

UTC (Coordinated Universal Time) SG-UTC=M,R,B M (Offset from UTC in Minutes) = -720 to 840 R (Reference Time) = 0 (Local) or 1 (UTC) B (

CO-101 (101SC) This line reports the status of the virtual breaker control switch slip-contact output. More information about the virtual breaker cont

Table 6-4. Logic Variable Status Report Format for Sensing Input Type G Relays 5 0 TPT 150TPT 50TNT 150TNT 250TNT 350TNT BFT 51PT 51NT 51QT 50TPPU 15

this section. As with other commands, a combination read command is available to read several items in a group. If the command RG is entered by itself

Hardware Version and Date Change Version 3, 11/99 • Label placed on the front panel stating, “WARNING to BESTCOMS USERS: When using BESTCOMS software

If the current steps from 0 to 1,000 amperes, then the peak demand will change from 0 to 900 amperes after one demand interval( )ITt=. Each time that

Figure 6-3. Reporting and Alarms Screen, Demands Tab Table 6-5. SG-DI Command Settings Setting Range Increment Unit of Measure Default 5 A 1 A Cur

next processing loop with the currently calculated demand value. No write access is needed to reset demand register values at the HMI. It is also poss

Figure 6-4. BESTlogic Function Element Screen, Breaker Status Current breaker status can be read from HMI Screen 1.5.6 and through the communication

( )operations*#ImaxDerruptint= Equation 6-4. Dmax Set by Number of Operations The setting is in terms of primary amps (the relay multiples by the

To connect the functions BLOCK logic input select the Logic button in the Block Accumulation Logic box. The BESTlogic Function Element screen for Brea

Retrieving Breaker Duty Information Breaker duty values can be read at HMI Screen 4.3.2. Duty values can be changed by using the front panel Edit key.

Using the pull-down menus and buttons, make the application appropriate settings to the Breaker Alarms function. Table 6-7 summarizes the Breaker Alar

Figure 6-8. Protective Fault Analysis Protective element picks upProtective element tripsBreaker auxiliary contact changes stateProtective elem

Table 6-8. Legend for Figure 6-8 Call-Out Description A A fault summary report and an oscillographic record are triggered when either the SG-TRIGGER P

x BE1-851 Introduction 9289900990 Rev R

Trip Circuit Monitor The trip circuit monitor continually monitors the circuit breaker trip circuit for voltage and continuity. A closed breaker with

CAUTION Applications that place other device inputs in parallel with the breaker trip coil may not perform as desired. The connection of other devices

Pickup Pickup expressions are used by the fault reporting function to time-stamp the fault summary record, time the length of the fault from pickup to

Table 6-10. Fault Recording Trigger Settings Setting Purpose Default TRIPPED Logic expression used to define Trip fault reporting condition. When this

Setting the Targets Function Targets are enabled using the BESTCOMS screen shown in Figure 6-13. You can select which protective elements trigger a ta

The Refresh button is used to refresh the list of faults. The Download button will download the selected fault, storing it on the selected drive as ei

Style Number. This line reports the style number of the relay. Firmware Version. This line reports the version of firmware that the relay holds. Faul

If the fault report was triggered manually from the View/Download Relay Fault Files screen, the recording of the report was terminated after 60 second

a 5-cycle buffer is being filled. If the fault is cleared within 5 cycles of the start of the second record, the record is terminated after it has rec

Figure 6-15. View/Download Relay Fault Files Figure 6-16. Browse for Folder Screen Figure 6-17. Fault Record Filenames Only one oscillographic re

CONTENTS SECTION 1 • GENERAL INFORMATION ... 1-1 SECTION

Files can be requested in ASCII or binary format, but both file transfers use the same format. Binary file transfer is much faster and consumes less d

Retrieving SER Information Using ASCII Commands SER information is retrieved through SER Directory Reports, the New Events Counter, and by obtaining s

Table 6-13. Relay Trouble Alarms I.D. # Name Description 1 RAM FAILURE Static RAM read/write error. 2 ROM FAILURE EPROM program memory checksum er

I.D. # Name Description 10 Q DEMAND ALARM ∗ Negative-sequence unbalance demand. 11 GROUP OVERRIDE ALARM ∗ Setting group control logic override. 12

Figure 6-19. Reporting and Alarms Screen, Alarms Tab Table 6-15. Programmable Alarm Settings Setting Range/Purpose Default Major alarm points (dri

Figure 6-20. Programmable Alarm Function The status of the three front-panel LEDs (Relay Trouble, Minor Alarm, and Major Alarm) can be read through

Figure 6-21. BESTlogic Function Element Screen Alarm Reset Logic BESTlogic™ Elements Controlled by Programmable Alarms Major, Minor, and Logic progr

Settings Compare BESTCOMS has the ability to compare two different settings files. To use this feature, pull down the Reports menu and select Setting

6-36 BE1-851 Reporting and Alarms 9289900990 Rev R

SECTION 7 • BESTlogic™ PROGRAMMABLE LOGIC TABLE OF CONTENTS SECTION 7 • BESTLOGIC PROGRAMMABLE LOGIC ...

xii BE1-851 Introduction 9289900990 Rev R

ii BE1-851 BESTlogic™ Programmable Logic 9289900990 Rev R

SECTION 7 • BESTlogic™ PROGRAMMABLE LOGIC Introduction Multifunction relays are similar in nature to a panel of single-function protective relays. Bot

Figure 7-1. BESTlogic Sensing Input Type G Function Blocks 7-2 BE1-851 BESTlogic™ Programmable Logic 9289900990 Rev R

Figure 7-2. BESTlogic Sensing Input Type H Function Blocks 9289900990 Rev R BE1-851 BESTlogic™ Programmable Logic 7-3

Table 7-1. Logic Variable Names and Descriptions for Sensing Input Type H Relays Variable Name Description Variable Name Description Inputs and Output

Table 7-2. Logic Variable Names and Descriptions for Sensing Input Type G Relays Variable Name Description Variable Name Description Inputs and Output

Function Block Logic Settings Each BESTlogic function block is equivalent to its discrete device counterpart. For example, the Reclosing Logic Functio

When the relay is powered up, all logic outputs are disabled and most variables (including virtual outputs) initialize as FALSE. Some variable states

The BESTlogic Expression Builder provides a point and click interface that allows the selected input to be easily connected using a single OR gate, s

Logic schemes can be selected from the Logic Select tab on the BESTlogic Screen. To access this screen, select BESTlogic from the Screens pull-down

SECTION 1 • GENERAL INFORMATION TABLE OF CONTENTS SECTION 1 • GENERAL INFORMATION ...

CAUTION Always remove the relay from service before changing or modifying the active logic scheme. Attempting a logic scheme change while the relay is

Table 7-4. Label Settings for OUTPUTS Setting Range/Purpose Default Label 1 to 10 characters. User label to replace default label. VOx_LABEL (where

7-12 BE1-851 BESTlogic™ Programmable Logic 9289900990 Rev R

SECTION 8 • APPLICATION TABLE OF CONTENTS SECTION 8 • APPLICATION ...

Normal Operation - Reclosing ... 8-35 Normal Op

Table 8-6. Feeder_1 Function Block Logic ... 8-11 Table 8-7

iv BE1-851 Application 9289900990 Rev R

SECTION 8 • APPLICATION General This section discusses application of the BE1-851 Overcurrent Protection System using the pre-programmed logic schemes

Overview of Preprogrammed Logic Schemes There are six preprogrammed logic schemes available. Four logic schemes are intended for use on feeder breaker

Details of Preprogrammed Logic Schemes The following sub-sections describe each of the six preprogrammed logic schemes in detail. For each scheme, th

Tables Table 1-1. Contact-Sensing Turn-On Voltages ... 1-10 Table

Table 8-2. Factory Default Function Blocks Logic Settings Function Purpose BESTlogic Expression Mode Setting 50TP Used for instantaneous phase overc

Table 8-4. Factory Default Virtual Output Logic Settings Output Purpose Description Label State Labels True False VOA (OUTA) Alarm Output Contact.

Output Purpose Description Label State Labels True False VO13 N/A N/A VO13_LABEL TRUE FALSE BESTlogic Expression: VO13=0 VO14 N/A N/A VO14

Figure 8-2. Factory Default Logic Settings Diagram 9289900990 Rev R BE1-851 Application 8-7

Factory Default Logic Settings and Equations for Sensing Input Type H Relays SL-N=USER SL-50TP = 1,0 SL-50TN = 1,0 SL-50TQ = 1,0 SL-150TP = 1,0 SL-150

SL-143 = 1 SL-243 = 1 SL-343 = 1 SL-101 = 1 SL-VOA = 0 SL-VO1 = VO11 SL-VO2 = 50TPT SL-VO3 = 51PT SL-VO4 = 50TNT SL-VO5 = 51NT SL-VO6 = 0 SL-VO7 = 0 S

When used to provide high-speed overcurrent protection for the substation bus, it is recommended that all 51 function timing curves be set for instant

Input Purpose Name Label State Labels Energized De-Energized IN2 Automatic setting group change logic auto/manual switch. SETGRPAUTO ENABLED DISA

Table 8-7. Feeder_1 Virtual Switches Logic Switch Purpose Mode Label State Labels True False 43 N/A 0 (Disable) SWITCH_43 CLOSED OPEN 143 N/

Output Purpose Description Label State Labels True False VO8 Time overcurrent trip. TRUE if any of the time overcurrent elements trip. 51_TRIP T

SECTION 1 • GENERAL INFORMATION General The BE1-851 Overcurrent Protection System is an economical, microprocessor based, multifunction system. It is

Figure 8-3. Typical One-Line Diagram for Feeder_1 Logic 8-14 BE1-851 Application 9289900990 Rev R

Figure 8-4. Feeder_1 Logic Diagram 9289900990 Rev R BE1-851 Application 8-15

Feeder_1 Logic Settings and Equations for Sensing Input Type H Relays SL-N=FEEDER_1 SL-50TP = 1,0 SL-50TN = 1,/IN3 SL-50TQ = 1,/IN3 SL-150TP = 0,0 SL-

SL-143 = 0 SL-243 = 0 SL-343 = 0 SL-101 = 0 SL-VOA = ALMMAJ SL-VO1 = VO8*IN4+BFPU+VO11*/IN4 SL-VO2 = VO9*IN4 SL-VO3 = IN4 SL-VO4 = VO12*/IN5*IN4 SL-VO

cause the recloser to be in lockout. When the breaker is manually closed, the relay will time out to a reset condition. Drive to lockout also occurs i

Contingency Operation - Backup Protection for Feeder Breaker Failure OUT5 is configured as the breaker failure trip output. OUT5 can be wired to trip

Function Purpose BESTlogic Expression Mode Setting 50TQ Used for instantaneous negative-sequence overcurrent protection. Block when recloser sequence

Table 8-11. Feeder_2 Virtual Switches Logic Switch Purpose Mode Label State Labels True False 43 Automatic setting group change logic auto/manual

Output Purpose Description Label State Labels True False VO5 (OUT5) Breaker failure trip contact. Trip backup if breaker failure protection times

Figure 8-5. Typical One-Line Diagram for Feeder_2 Logic 9289900990 Rev R BE1-851 Application 8-23

Each current sensing circuit is low burden and isolated. Negative-sequence current magnitudes are derived from the three-phase currents. Neutral curre

Figure 8-6. Feeder_2 Logic Diagram 8-24 BE1-851 Application 9289900990 Rev R

Feeder_2 Logic Settings and Equations for Sensing Input Type H Relays SL-N=FEEDER_2 SL-50TP = 1,79SCB SL-50TN = 1,79SCB+/IN3+243 SL-50TQ = 1,79SCB+/IN

SL-143 = 2 SL-243 = 2 SL-343 = 2 SL-101 = 1 SL-VOA = ALMMAJ SL-VO1 = VO11+BFPU+101T SL-VO2 = 79C+101C SL-VO3 = IN4*/343 SL-VO4 = VO12*/VO5*IN4*/343 SL

Reclosing can be disabled by IN2 or Virtual Switch 143 that is connected to the drive to lockout (DTL) input of the recloser function block. In this

be controlled by a pole of a standard external test switch that is opened with the rest of the test switch poles. The logic expression for test mode d

Table 8-14. Feeder_3 Function Block Logic Function Purpose BESTlogic Expression Mode Setting 50TP Used for instantaneous phase overcurrent protection

Table 8-15. Feeder_3 Virtual Switches Logic Switch Purpose Mode Label State Labels True False 43 Automatic setting group change logic auto/manual

Output Purpose Description Label State Labels True False VO5 (OUT5) Breaker failure trip contact. Trip backup if breaker failure protection times

Figure 8-7. Typical One-Line Diagram for Feeder_3 Logic 8-32 BE1-851 Application 9289900990 Rev R

Figure 8-8. Feeder_3 Logic Diagram 9289900990 Rev R BE1-851 Application 8-33

Metering Metering is provided for all measured currents, and all derived neutral and negative-sequence currents. One percent meter accuracy is provide

Feeder_3 Logic Settings and Equations for Sensing Input Type H Relays SL-N=FEEDER_3 SL-50TP = 1,79SCB SL-50TN = 1,79SCB+/IN3+243 SL-50TQ = 1,79SCB+/IN

SL-143 = 2 SL-243 = 2 SL-343 = 2 SL-101 = 1 SL-VOA = ALMMAJ SL-VO1 = VO11+BFPU+101T SL-VO2 = 79C+101C SL-VO3 = IN4*/343 SL-VO4 = VO12*/VO5*IN4*/343 SL

Reclosing can be disabled by IN2 or Virtual Switch 143 that interrupts the RI input to the recloser function block. In this scheme, enabling the reclo

Contingency Operation - Backup Protection for Feeder Breaker Failure OUT5 is configured as the breaker failure trip output. OUT5 can be wired to trip

Function Purpose BESTlogic Expression Mode Setting 50TQ Used for instantaneous negative-sequence overcurrent protection. Block when recloser sequence

Table 8-19. Feeder_4 Virtual Switches Logic Switch Purpose Mode Label State Labels True False 43 Automatic setting group change logic auto/manual

Output Purpose Description Label State Labels True False VO5 (OUT5) Breaker failure trip contact. Trip backup if breaker failure protection times

Figure 8-9. Typical One-Line Diagram for Feeder_4 Logic 9289900990 Rev R BE1-851 Application 8-41

Figure 8-10. Feeder_4 Logic Diagram 8-42 BE1-851 Application 9289900990 Rev R

Feeder_4 Logic Settings and Equations for Sensing Input Type H Relays SL-N=FEEDER_4 SL-50TP = 1,79SCB SL-50TN = 1,79SCB+243 SL-50TQ = 1,79SCB+243 SL-1

output contact including OUTA. Over 20 alarm conditions are available to be monitored including user definable logic conditions using BESTlogic. Activ

SL-143 = 2 SL-243 = 2 SL-343 = 2 SL-101 = 1 SL-VOA = ALMMAJ SL-VO1 = VO11+BFPU+101T SL-VO2 = 79C+101C SL-VO3 = /79SCB SL-VO4 = VO12*/VO5*IN4*/343 SL-V

interrupt the fault. These are set up to trip the 86B relay also via OUT4. If a bus fault lockout relay is not used, OUT4 can be wired in parallel wit

This function block has an independent fast drop out phase and ground current detector that detects a breaker opening and stops timing. An open breake

Table 8-21. BUS Contact Sensing Input Logic Input Purpose Name Label State Labels Energized De-Energized IN1 52b Breaker Status. BREAKER OPEN C

Table 8-23. BUS Virtual Switch Logic Switch Purpose Mode Label State Labels True False 43 N/A 0 (Disable) SWITCH_43 CLOSED OPEN 143 N/A 0

Output Purpose Description Label State Labels True False VO5 (OUT5) Feeder breaker trip. Trip feeder breaker via auxiliary relay (94) for time (51

Figure 8-11. Typical One-Line Diagram for BUS Logic 8-50 BE1-851 Application 9289900990 Rev R

Figure 8-12. BUS Logic Diagram 9289900990 Rev R BE1-851 Application 8-51

BUS Logic Settings and Equations for Sensing Input Type H Relays SL-N=BUS SL-50TP = 1,IN2 SL-50TN = 1,IN2 SL-50TQ = 1,IN2 SL-150TP = 0,0 SL-150TN = 0,

SL-143 = 0 SL-243 = 0 SL-343 = 2 SL-101 = 1 SL-VOA = ALMMAJ SL-VO1 = 101T+VO8*/SG0+62*SG1+VO11*VO15 SL-VO2 = 101C SL-VO3 = 0 SL-VO4 = VO9*SG0*/VO15 SL

BESTCOMS™ Software BESTCOMS is a Windows® based graphical user interface (GUI) that runs on IBM-compatible computers. The software is used to create s

Function Purpose BESTlogic Expression Mode Setting 51P Used for timed phase overcurrent protection. 0 1 (enabled) 51N Used for timed neutral over

Table 8-28. BACKUP Virtual Outputs Output Purpose Description Label State Labels True False VOA (OUTA) Alarm Output Contact. Change state of alarm

Output Purpose Description Label State Labels True False VO11 Protective Trip Expression. TRUE when any 50 or 51 element times out. PROT_TRIP TRI

Figure 8-13. Typical One-Line Diagram for Backup Logic 9289900990 Rev R BE1-851 Application 8-57

Figure 8-14. BACKUP Logic Diagram 8-58 BE1-851 Application 9289900990 Rev R

BACKUP Logic Settings and Equations for Sensing Input Type H Relays SL-N=BACKUP SL-50TP = 1,0 SL-50TN = 1,0 SL-50TQ = 1,0 SL-150TP = 1,0 SL-150TN = 1,

SL-143 = 0 SL-243 = 0 SL-343 = 2 SL-101 = 1 SL-VOA = ALMMAJ SL-VO1 = 101T+VO8+BFPU+VO11*VO15 SL-VO2 = 101C SL-VO3 = /IN2 SL-VO4 = VO9*/VO15 SL-VO5 = B

Miscellaneous Logic Settings There are five logic variables that are classified as miscellaneous logic expressions. These expressions are: SG-TARG, SG

detect when the relay is out of service for test. This enables the backup logic and enhances security. It should be noted that if the test mode logic

High-Speed Reclose Each reclose time delay can be set as low as 100 milliseconds. If the application requires a reclose time delay of less than 250 mi

Model and Style Number Description General The BE1-851 Overcurrent Protection System electrical characteristics and operational features are defined b

However, distribution systems with single pole fault clearing and switching devices or long single-phase laterals may have mis-operations during switc

Figure 8-19. Output Seal-In Logic Diagram NOTE This example is based on the Feeder_2, Feeder_3, or Feeder_4 preprogrammed logic schemes. Table 8-30

8-66 BE1-851 Application 9289900990 Rev R

SECTION 9 • SECURITY TABLE OF CONTENTS SECTION 9 • SECURITY ...

ii BE1-851 Security 9289900990 Rev R

SECTION 9 • SECURITY Introduction In this section, security, in the form of multilevel password protection, is discussed along with the information re

Figure 9-1. General Operation Screen, Global Security Tab If a change is required and the Password Security box reads Show Passwords, press Show Pas

Table 9-1 lists password protection settings. Table 9-1. Password Protection Settings Setting Range/Purpose Password User defined alphanumeric strin

9-4 BE1-851 Security 9289900990 Rev R

SECTION 10 • HUMAN-MACHINE INTERFACE TABLE OF CONTENTS SECTION 10 • HUMAN-MACHINE INTERFACE ...

Operational Specifications BE1-851 relays have the following features and capabilities. Metered Current Values and Accuracy Current Range ...

ii BE1-851 Human-Machine Interface 9289900990 Rev R

SECTION 10 • HUMAN-MACHINE INTERFACE General This section provides a description of the BE1-851 human-machine interface and illustrates the menu tree.

Locator Description D, E Minor Alarm and Major Alarm LEDs - When these LEDs are ON, it indicates a minor or major alarm status. Refer to Section 6,

Figure 10-3. Report Status Branch Menu Tree Figure 10-4. Control and Metering Branches Menu Tree 9289900990 Rev R BE1-851 Human-Machine I

Figure 10-5. Reports Branch Menu Tree 10-4 BE1-851 Human-Machine Interface 9289900990 Rev R

Figure 10-6. Protection Logic Branch Menu Tree for Sensing Input Type H Relays 9289900990 Rev R BE1-851 Human-Machine Interface 10-5

Figure 10-7. Protection Logic Branch Menu Tree for Sensing Input Type G Relays 10-6 BE1-851 Human-Machine Interface 9289900990 Rev R

Figure 10-8. General Settings Branch Menu Tree Automatic HMI Display Priorities If no front panel-scrolling key has been pressed for approximately f

Once the user has taken manual control of the display by pressing any of the scrolling pushbuttons, automatic priority has been disabled until the dis

details on entering passwords from the HMI. Once access has been gained, the Edit LED will be lighted and a cursor will appear in the first settings f

50BF Breaker Failure Protection Pickup Setting Range ... Fixed at 0.5 A for 5 A unit, 0.

Table 10-3. Call-out Descriptions for Figure 10-10 Locator Description A This is the screen number. It eases navigation by indicating the current bra

SECTION 11 • ASCII COMMAND INTERFACE TABLE OF CONTENTS SECTION 11 • ASCII COMMAND INTERFACE ...

ii BE1-851 ASCII Command Interface 9289900990 Rev R

SECTION 11 • ASCII COMMAND INTERFACE Introduction Relay and power system information can be retrieved from a remote location using the ASCII command i

General command functions are organized into five major groups plus one group of miscellaneous commands. These groups are listed below: CONTROL (C):

Miscellaneous Command Descriptions HELP Command The HELP (H) command provides general information on command syntax and functionality when the manual

ACCESS Command Examples: 1. A valid password is entered. Sent: ACCESS=OPENUP Received: ACCESS GRANTED : GLOBAL 2. An invalid password is ente

The S command returns the values of relay setting parameters in the same form that they are programmed. It can be used at the end of a programming ses

SG-FREQ=60 SG-HOLDA=0; SG-HOLD1=1; SG-HOLD2=1; SG-HOLD3=0 SG-HOLD4=0; SG-HOLD5=1 SG-ID=BE1-851,SUBSTATION_1

Entering SL by itself returns all of the logic equations associated with the active logic scheme. Entering SL: returns the names of all available logi

General Specifications AC Current Inputs 5 Ampere CT Continuous Rating ... 20 A One Second Rati

Table 11-1. Communication Settings Parameter Description Range Default Baud Baud Rate 300, 600, 1200, 2400, 4800, 9600, or 19K 9600 A Address for

EXIT Command Purpose: Exit programming mode Syntax: EXIT - Note: Relay will prompt for verification Example: EXIT Reference: Section 11, ASCII

RB Command Purpose: Read breaker status Syntax: RB Example: RB Reference: Section 6, Reporting and Alarms, Breaker Monitoring RB-DUTY Command P

RG Command Purpose: Report General Information Syntax: RG Example: RG Reference: Section 6, Reporting and Alarms, Clock RG-DATE Command Purpose

RS Command Purpose: Read/Reset Sequence of Events Record Data Syntax: RS[-n/Fn/ALM/IO/LGC/NEW][=0] where n=# of events and Fn=fault record # Examp

SA-MIN Command Purpose: Read/Set minor alarm setting mask Syntax: SA-MIN[={alarm num 1}[/{alarm num 2}]...[/{alarm num n}]] Example: SA-MIN or S

SG-DATADUMP Command Purpose: Report/Set fault record DATADUMP to COM1 Syntax: SG-DATADUMP[={mode}] where mode is 0/1 (disabled/enabled) Example:

SG-IN Command Purpose: Read/Set Input recognition/debounce Syntax: SG-IN[#[={r(ms)},{db(ms)}]] where ms=1-255msec Example: SG-IN or SG-IN3 or SG

SL-101 Command Purpose: Read/Set Logic for Virtual Breaker switch (101) Syntax: SL-101[=mode] where mode=0/1 (disabled/enabled) Example: SL-101

SL-VO Command Purpose: Read/Set Output Logic Syntax: SL-VO[x[={Boolean equation}]] where x is 1 - 15 or A Example: SL-VO or SL-VO1=50TPT+50TNT+5

Contact-Sensing Inputs Turn-On Voltage Contact-sensing turn-on voltages are listed in Table 1-1. Table 1-1. Contact-Sensing Turn-On Voltages Style Op

SP-79ZONE Command Purpose: Read/Set 79 Zone Sequence Logic Syntax: SP-79ZONE[={zone pickup logic}] Example: SP-79ZONE or SP-79ZONE=50TPPU+50TNPU

SECTION 12 • INSTALLATION TABLE OF CONTENTS SECTION 12 • INSTALLATION ...

Table 12-3. RS-485 Pin-outs (COM2) ... 12-22 Table 12-

SECTION 12 • INSTALLATION General BE1-851 Overcurrent Protection Systems are delivered with this instruction manual and BESTCOMS™ software in a sturdy

installed at the factory, one pin should be visible when viewed from the side of the unit. This configuration allows the inputs to Operate at the high

Figure 12-2. S1 Case, Overall Dimensions Edit ResetRelay Minor MajorPower Trouble Alarm Alarm TripOvercurrent RelayBE1-851RCom 0Serial PortSTYLE NUMB

Figure 12-3. S1 Case, Cutout Dimensions 12-4 BE1-851 Installation 9289900990 Rev R

Figure 12-4. S1 Case, Adapter Plate (FT32 Opening to S1 Case) 9289900990 Rev R BE1-851 Installation 12-5

Figure 12-5. S1 Case, Adapter Plate (S2 and FT2 Opening to S1 Case) 12-6 BE1-851 Installation 9289900990 Rev R

Figure 12-6. H1 Case, Overall Dimensions 9289900990 Rev R BE1-851 Installation 12-7

Real-Time Clock Accuracy ... 1 second per day at 25°C (free running) or ±2 milli

Figure 12-7. H1 Case, Single Relay Mounting Plate Dimensions Figure 12-8. H1 Case, Single Relay Mounting Dimensions for Panel Mounting without an

Figure 12-9. H1 Case, Two-Relay Mounting Plate Dimensions 9289900990 Rev R BE1-851 Installation 12-9

Figure 12-10. H1 Case, Two-Relay Mounting Dimensions for Panel Mounting without an Escutcheon Plate 12-10 BE1-851 Installation 9289900990 Rev R

Figure 12-11. Adapter Bracket for Mounting a Single Relay in a 19-inch Rack Figure 12-12. Adapter Bracket for 19-inch Rack Mount with ABB FT

Figure 12-13. F1 Case, Overall Dimensions Com 0Serial PortEdit ResetRelay Minor MajorPower Trouble Alarm Alarm TripOvercurrent RelayBE1-851Style Numb

Figure 12-14. F1 Case, Cutout Dimensions Dovetailing Procedure Basler H1 cases can be interlocked by means of a tenon and mortise on the left and ri

Step 6: Position the rear panel on the case from which it was removed. Make sure that the panel orientation is correct. Perform Step 6a if Terminal S

Figure 12-16. F1 Case, Rear View, Terminal Connections A4 A5A1 A2 A3 A6 A7 A8-IN1+ +IN2-+IN3- -IN4+IRIG+-PWRCABRS-485GNDCOM 2(618) 654-2341H

Figure 12-17. H1 Case, Rear View, Terminal Connections Figure 12-18. S1 Case, Rear View, Terminal Connections I IINICIBIANCBAIID2 D4D6 D8D7D5D3D1IR

Typical DC and AC Connections Typical external DC and AC connections for the BE1-851 are shown in Figures 12-19 and 12-20. Figure 12-19. Typ

Environment Temperature Operating Range ... −40°C to 70°C (−40°F to 158°F) Storage Range ...

Figure 12-20. Typical DC Connection Diagram 12-18 BE1-851 Installation 9289900990 Rev R

Terminal Blocks There are two sizes of terminal blocks used on the H1 case design, the current circuit block and the input-output blocks. The current

Table 12-2. RS-232 Pin-outs (COM0 and COM1) Name Function Name Direction 1 Shield ---- N/A 2 Transmit Data (TXD) From relay 3 Receive Data

Figure 12-22. Personal Computer to BE1-851 (Straight Cable) Figure 12-23. Modem to BE1-851 (Null Modem Cable) 54321 12345RXDTXDSGNDTXDRXDN.C.SGNDFE

RS-485 Connector The RS-485 connector is a three-position terminal block connector designed to interface to a standard communication cable. A twisted-

Table 12-4. IRIG Pin-outs Terminal Function A1 (+) Signal A2 (-) Reference Terminal Assignments Figure 12-25 illustrates the location of the IRIG

Updating is not required if a new style insertion guide (Figure 12-27) is present. Figure 12-27. Insertion Guide - New Style The following procedur

SECTION 13 • TESTING AND MAINTENANCE TABLE OF CONTENTS SECTION 13 • TESTING AND MAINTENANCE ...

ii BE1-851 Testing and Maintenance 9289900990 Rev R

SECTION 13 • TESTING AND MAINTENANCE General You may prefer to test your relay before installation. To verify functionality of the BE1-851 relay, perf

SECTION 2 • QUICK START TABLE OF CONTENTS SECTION 2 • QUICK START ...

Power-Up Step 1: Apply voltage to Power Terminals A6 and A7. Table 13-1 shows the appropriate voltage for each style of relay. Table 13-1. Relay Vol

Table 13-2. Contact Sensing Turn-On Voltage Nominal Control Voltage Contact Sensing Turn-On Voltage Jumper Installed (Low Position) Jumper Not Install

Step 2: Transmit the appropriate command from Table 13-4 to program the 50T pickup setting. Table 13-4. Pickup Settings Style Number Commands Phase

Step 7: After pickup occurs, ramp the current down slowly until OUT1 opens. Dropout should occur at 90% ±2% of the pickup current magnitude. Step 8:

Table 13-10. Pickup Settings Style Number Commands Phase Neutral x1xxxxx S0-51P=0.1A,0m S0-51N=0.1A,0m x3xxxxx S0-51P=0.5A,0m S0-51N=0.1A,0m x5xx

Table 13-14. Pickup Settings Style Number Commands Phase Neutral x1xxxxx S0-51P=3.2A,0m S0-51N=3.2A,0m x3xxxxx S0-51P=16.0A,0m S0-51N=3.2A,0m x5x

Table 13-16. Pickup and Timer Settings Style Number Commands Phase Neutral x1xxxxx S0-50TP=1.0A,0.0m S0-50TN=1.0A,0.0m x3xxxxx S0-50TP=5.0A,0.0m

Table 13-19. Timing Ranges Style Number Current/Frequency Timing Range Phase Neutral Low Limit High Limit x1xxxxx 5.0A/50 Hz 5.0A/50 Hz 0.0 sec

51 Timings Step 1: Transmit the following scheme to the relay: ACCESS=851 SL-N=NONE YES SL-N=TIME51 SL-51=1,0 SL-

Table 13-24. Command Settings Style Number Commands Phase Neutral x1xxxxx S0-51P=0.1A,5.0,I2 S0-51N=0.1A,5.0,I2 x3xxxxx S0-51P=0.5A,5.0,I2 S0-51N

INTRODUCTION This instruction manual provides information about the operation and installation of the BE1-851 Overcurrent Protection System. To accomp

ii BE1-851 Quick Start 9289900990 Rev R

Table 13-27. Timing Ranges Style Number Current Low Limit High Limit x1xxxxx 0.2 amps 8.300 sec 9.172 sec x1xxxxx 1.0 amps 2.493 sec 2.755 se

Figure 13-2. Backup Battery Location WARNING! Do not short-circuit, reverse battery, or attempt to recharge the battery. Step 4: Insert the new

Updating Relay Firmware If a firmware upgrade is desired, contact Basler Electric technical support to request download access. Once the appropriate f

SECTION 14 • BESTCOMS™ SOFTWARE TABLE OF CONTENTS SECTION 14 • BESTCOMS™ SOFTWARE ...

Figure 14-15. Logic Timers Screen ... 14-12 Figure

SECTION 14 • BESTCOMS™ SOFTWARE Description BESTCOMS is a Windows® based program that runs on an IBM compatible computer and provides a user friendly

Figure 14-1. Typical User Interface Components Installation BESTCOMS for BE1-851 Software contains a setup utility that installs the program on your

Updating BESTCOMS™ Software Future enhancements to relay functionality may make firmware update desirable. Enhancements to relay firmware typically co

Figure 14-3. System Setup Summary Screen Configure the PC If you have an actual BE1-851 relay, configure your PC to match the BE1-851 configuration.

Overcurrent Screen. Pull down the Screens menu and select Overcurrent. If you wanted the specific setting change that you were about to make to affe

SECTION 2 • QUICK START General This section provides an overview of the BE1-851 Overcurrent Protection System. You should be familiar with the concep

Figure 14-5. General Operation Screen, Power System Tab Global Security Each of three communication ports and the four functional areas (Global, Set

Figure 14-6. General Operation Screen, Global Security Tab Communication This tab (see Figure 14-7) allows the user to set or change communication po

HMI Display This tab (see Figure 14-8) allows the user to change the screen scroll list. Only the code for the latest version of BESTCOMS is containe

Figure 14-9. Setting Group Selection Screen Overcurrent Pull down the Screens menu and select Overcurrent or click on the Overcurrent protection icon

If you want to change the characteristic curve constants, select the Curve Coefficients and a dialog box opens for those entries. See Figure 14-11.

Reclosing Pull down the Screens menu and select Reclosing or click on the Reclosing icon that is shown at the right margin of this paragraph. This scr

Logic settings for the breaker failure function can be made by clicking on the BESTlogic button and with your custom logic selected, select the mode a

Logic settings for the logic timers can be made by clicking on the BESTlogic button and with your custom logic selected, use the Mode pull-down menu a

Figure 14-17. Reporting and Alarms Screen, Demands Tab Breaker Monitoring Each time the breaker trips, the breaker duty monitor updates two sets of

Use the Breaker Duty Monitoring pull-down menu to select the operating Mode. Click in the field for 100% Duty Maximum and set the value. Logic settin

Figure 2-1. 79 Reclosing Function Block Four inputs: • RI (reclose initiate) • STATUS (breaker position) • WAIT • DTL/BLK (drive to lockout/bloc

Figure 14-20. Reporting and Alarms Screen, Fault Recording Tab Logic settings for the Target Reset Logic can be made by clicking on the Target Reset

Figure 14-21. Inputs and Outputs Screen, Inputs 1 – 4 Tab Outputs 1 – 5, A On this tab (see Figure 14-22), the only feature that you may change is t

Virtual Switches Pull down the Screens menu and select Virtual Switches or click on the Virtual Switches icon that is shown at the right margin of thi

Figure 14-24. BESTlogic Screen, Logic Select Tab Virtual Outputs You can assign a meaningful name or label to each virtual output. This makes sequent

Function Blocks Not all of the logic functions have BESTlogic labeled on the button. If the logic function is labeled Logic and not BESTlogic, the ASC

Downloading Oscillography Files To download an oscillography file, pull down the Reports menu from the Pull-down menu as shown in Figure 14-28 and

dialog box has two pull-down menus: File and Communication. To configure communication with the relay, pull down the Communication menu and select

Opening a Settings File To open a settings file into BESTCOMS, pull down the File menu and choose Open. If the settings in your BESTCOMS have changed,

Figure 14-31. Settings Compare Setup Dialog Box If there are any differences in the two files, a dialog box will appear and notify you that differen

APPENDIX A • TIME OVERCURRENT CHARACTERISTIC CURVES TABLE OF CONTENTS APPENDIX A • TIME OVERCURRENT CHARACTERISTIC CURVES ...

to be mode 1 (enabled) with the function blocked when contact sensing INput 2 is not (/) energized. Contact sensing input 2 would be wired to a gro

ii BE1-851 Time Overcurrent Characteristic Curves 9289900990 Rev R

APPENDIX A • TIME OVERCURRENT CHARACTERISTIC CURVES General Basler Electric inverse time overcurrent systems (ANSI Device 51) provide time/current cha

Table A-1. 51P, 51N, and 51Q Time Characteristic Curve Constants Curve Selection Curve Name Trip Characteristic Constants Reset † A B C N K R S1

Table A-2. Characteristic Curve Cross-Reference Curve Curve Name Similar To S1 Short Inverse ABB CO-2 S2 Short Inverse GE IAC-55 L1 Long Inverse AB

coordination is tight, it is recommended that you retrofit your circuits with Basler Electric electronic relays to ensure high timing accuracy. Table

Figure A-1. Time Characteristic Curve S1, Short Inverse (Similar to ABB CO-2) 9289900990 Rev R BE1-851 Time Overcurrent Characteristic Curves A-5

Figure A-2. Time Characteristic Curve S2, Short Inverse (Similar To GE IAC-55) A-6 BE1-851 Time Overcurrent Characteristic Curves 9289900990 Rev R

Figure A-3. Time Characteristic Curve L1, Long Inverse (Similar to ABB CO-5) 9289900990 Rev R BE1-851 Time Overcurrent Characteristic Curves A-7

Figure A-4. Time Characteristic Curve L2, Long Inverse (Similar To GE IAC-66) A-8 BE1-851 Time Overcurrent Characteristic Curves 9289900990 Rev R

Figure A-5. Time Characteristic Curve D, Definite Time (Similar To ABB CO-6) 9289900990 Rev R BE1-851 Time Overcurrent Characteristic Curves A-9

menu tree top level. You view each branch of the menu tree by using the RIGHT and LEFT scrolling pushbuttons. To go to a level of greater detail,

Figure A-6. Time Characteristic Curve M, Moderately Inverse (Similar to ABB CO-7) A-10 BE1-851 Time Overcurrent Characteristic Curves 9289900990 R

Figure A-7. Time Characteristic Curve I1, Inverse Time (Similar to ABB CO-8) 9289900990 Rev R BE1-851 Time Overcurrent Characteristic Curves A-11

Figure A-8. Time Characteristic Curve I2, Inverse Time (Similar to GE IAC-51) A-12 BE1-851 Time Overcurrent Characteristic Curves 9289900990 Rev R

Figure A-9. Time Characteristic Curve V1, Very Inverse (Similar to ABB CO-9) 9289900990 Rev R BE1-851 Time Overcurrent Characteristic Curves A-13

Figure A-10. Time Characteristic Curve V2, Very Inverse (Similar to GE IAC-53) A-14 BE1-851 Time Overcurrent Characteristic Curves 9289900990 Rev

Figure A-11. Time Characteristic Curve E1, Extremely Inverse (Similar to ABB CO-11) 9289900990 Rev R BE1-851 Time Overcurrent Characteristic Curves

Figure A-12. Time Characteristic Curve E2, Extremely Inverse (Similar to GE IAC-77) A-16 BE1-851 Time Overcurrent Characteristic Curves 9289900990

Figure A-13. Time Characteristic Curve A, Standard Inverse 9289900990 Rev R BE1-851 Time Overcurrent Characteristic Curves A-17

Figure A-14. Time Characteristic Curve B, Very Inverse A-18 BE1-851 Time Overcurrent Characteristic Curves 9289900990 Rev R

Figure A-15. Time Characteristic Curve C, Extremely Inverse 9289900990 Rev R BE1-851 Time Overcurrent Characteristic Curves A-19

the object names. Most commands don't require that you specify a complete object name. If the first two letters of a command are entered, the rel

Figure A-16. Time Characteristic Curve G, Long Time Inverse A-20 BE1-851 Time Overcurrent Characteristic Curves 9289900990 Rev R

APPENDIX B • COMMAND CROSS-REFERENCE TABLE OF CONTENTS APPENDIX B • COMMAND CROSS-REFERENCE ...

ii BE1-851 Command Cross-Reference 9289900990 Rev R

APPENDIX B • COMMAND CROSS-REFERENCE Introduction This appendix lists all ASCII commands, command syntax, brief command descriptions, and any correspo

ASCII Command Function HMI Screen RB-OPCNTR[={#operations}] Read/Set breaker operation counter. 4.3.1 RD Report all demand data. N/A RD-PI[[=

ASCII Command Function HMI Screen SG-CT[t][={CT_ratio}] Read/Set Phase/Neutral CT ratio. 6.3.1 SG-DIPage[={interval}] Read/Set P(IA/IB/IC/var/watt)

Table B-10. User Programmable Name Setting Command ASCII Command Function HMI Screen SN[-{var}[={name},{TRUE label},{FALSE label}] Read/Set user prog

APPENDIX C • TERMINAL COMMUNICATION TABLE OF CONTENTS APPENDIX C • TERMINAL COMMUNICATION ...

ii BE1-851 Terminal Communication 9289900990 Rev R

APPENDIX C • TERMINAL COMMUNICATION HyperTerminal (provided with Windows 2000/XP) or other stand-alone software can be used to communicate with a BE1

Getting Started Refer to Section 12, Installation, for typical external connection diagrams. If your relay has power supply option 1 or 2, it can be s

Figure C-2. Connect To Dialog Box Step 6: Dialog Box: COMx Properties a. Make the following selections using Figure C-3 as a guide: Set the bits p

Step 7: Click File/Properties on the menu bar. Click the Settings tab. a. Make the following selections using Figure C-4 as a guide: Check the Termi

Figure C-5. ASCII Setup Dialog Box Step 9: HyperTerminal is now ready to communicate with the relay. Table C-1 describes the required connection f

12570 State Route 143 Highland IL 62249-1074 USA Tel: +1 618.654.2341 Fax: +1 618.654.2351 email: [email protected] P.A.E. Les Pins 67319 Wasselonne

Figure 2-3. File Properties Screen Entering General Settings Time and date format can be changed by selecting Reporting and Alarms from the Screens m

Using the pull-down menus and buttons located on the Power System tab, select the appropriate phase and neutral CT ratios, the system's nominal f

Use the remaining screens and associated tabs to make additional settings required for evaluation of the relay. Save the file. From the Communication

First Printing: March 1997 Printed in USA Copyright © 2014 Basler Electric, Highland Illinois 62249 USA All Rights Reserved February 2014 CONFIDE

needed. To read data or to get any reports this can be done without gaining access. After gaining access though one of the ports a session can be ende

SECTION 3 • INPUT AND OUTPUT FUNCTIONS TABLE OF CONTENTS SECTION 3 • INPUT AND OUTPUT FUNCTIONS ...

ii BE1-851 Input and Output Functions 9289900990 Rev R

SECTION 3 • INPUT AND OUTPUT FUNCTIONS General The BE1-851 inputs consist of three-phase current inputs, neutral current inputs, and four contact sens

Figure 3-1. Accuracy Characteristics, 55 to 65 Hz The Average setting uses a digital measurement circuit. This circuit consists of a full wave recti

Negative-Sequence Current Negative-Sequence components are measured from the fundamental component of the three-phase current inputs. The relay can be

Figure 3-3. General Operation Screen, Power System Tab Contact-Sensing Inputs BE1-851 relays have four contact-sensing inputs to initiate BE1-851 re

Digital Input Conditioning Function Status of the contact sensing inputs is checked 24 times per cycle. When operating on a 60 Hz power system, this r

If you are concerned about ac voltage being coupled into the contact sensing circuits, the recognition time can be set to greater than one-half of the

Outputs BE1-851 relays have five general-purpose output contacts (OUT1 through OUT5) and one fail-safe, normally open/normally closed, alarm output co

REVISION HISTORY The following information provides a historical summary of the changes made to this instruction manual (9289900990), BESTCOMS softwar

Alternately, status of output contacts can be assessed at HMI Screen 1.5.2 and through the communication ports using the RG-STAT (report general-statu

Output Logic Override Control Each output contact can be controlled directly using the select-before-operate output control function. The virtual outp

2. Test all outputs by pulsing momentarily. >CS-OUT=P OUT=P SELECTED >CO-OUT=P OUT=P EXECUTED 3. Disable the trip output (

SECTION 4 • PROTECTION AND CONTROL TABLE OF CONTENTS SECTION 4 • PROTECTION AND CONTROL ...

Retrieving Reclosing Status from the Relay ... 4-34 Virtual Switches

Table 4-4. BESTlogic Settings for Instantaneous Overcurrent Protection ... 4-11 Table 4-5. Operating Settin

iv BE1-851 Protection and Control 9289900990 Rev R

SECTION 4 • PROTECTION AND CONTROL Introduction BE1-851 relays provide many functions that can be used to protect and control power system equipment i

AUTOMATIC logic input being asserted, the relay monitors loading or unbalance conditions and changes the active setting group according to the “switch

At the top center of the BESTlogic Function Element screen is a pull-down menu labeled Logic. This menu allows viewing of the BESTlogic settings for

Manual Revision and Date Change H, 09/03 • Updated the discussion on Current Measurement Functions on page 3-1 and 3-2. • In Table 4-11, changed “Di

When the setting group control function block is enabled for Discrete Inputs, there is a direct correspondence between each discrete logic input and t

Figure 4-4. Input Control Binary Inputs Example 1. Make the following settings changes to the setting group control function. Set the setting grou

At the top center of the screen is a pull-down menu labeled Logic. This menu allows viewing of the BESTlogic settings for each preprogrammed logic sc

group three return timer begins timing. Current varies but stays below 75 percent for 5 minutes and at time = 75, setting group two becomes active and

Figure 4-7. Setting Group Selection Screen Figure 4-8. Automatic Operation Based on Cold Load Pickup 4-8 BE1-851 Protection and Control 928

Logic Override of the Setting Group Control Function Control of the active setting group from the setting group control function can be overridden. Th

Overcurrent Protection BE1-851 overcurrent protection includes instantaneous elements for Phase, Neutral, and Negative-Sequence, as well as time overc

Figure 4-10. BESTlogic Function Element Screen, Phase (50TP) At the top center of the BESTlogic Function Element screen is a pull-down menu labeled

5.x.1.6 where x equals 1 for Setting Group 0, 2 for Setting Group 1, 3 for Setting Group 2, and 4 for Setting Group 3. Figure 4-11. Overcurrent Scre

Table 4-5. Operating Settings for Instantaneous Overcurrent Protection Setting Range Increment Unit of Measure Default 1 A 5 A Pickup 0 = Disabled

BESTCOMS™ Software Version and Date Change 2.05.00, 03/06 • Added “E”, “G”, and “R” to Case options in Style Chart Drawing. • Added Settings Compare

characteristic, the user can append an R to the selected time current characteristic curve. A programmable curve is available that can be used to cr

See Section 7, BESTlogic Programmable Logic. Select Done when the settings have been completely edited. Table 4-6 summarizes the BESTlogic settings

The pickup value determines the level of current required for the element to start timing toward a trip. Time Dial is used to select the time delay be

Table 4-8. Definitions for Equations 4-1 and 4-2 Parameter Description Explanation TT Time to trip Time that the 51 function will take to time out an

Programmable curve coefficients can be entered regardless of the curve chosen for the protection element. However, the programmable curve will not be

Figure 4-17. Sequence Components for an A-B Fault Coordination Settings for Negative-Sequence Overcurrent Protection The 51Q settings should be check

Breaker Failure Protection BF - Breaker Failure Protection BE1-851 relays provide one function block for breaker failure protection. This function inc

An alarm variable is provided in the programmable alarms function that can be used to indicate an alarm condition when the breaker failure protection

Example 1. Make the following BESTlogic settings to the Breaker Failure element. See Figure 4-19. Mode: Enable Initiate: VO1

Table 4-12. Operating Settings for Breaker Failure Protection Setting Range Increment Unit of Measure Default Time 0 = Disabled N/A N/A 0 50 to

Application Firmware Version and Date Change 3.43.09, 03/03 • Added the capability of changing Modbus Password Security with the ASCII command. • En

Mode 1, PU/DO (Pickup/Dropout Timer) The output will change to logic TRUE if the INITIATE input expression is TRUE for the duration of PICKUP time de

Mode 4, Oscillator In this mode, the INITIATE input is ignored. See Figure 4-25. If the BLOCK input is FALSE, the output, x62, oscillates with an ON t

time, the function will still time out as long as the time that it is TRUE is longer than the time that it is FALSE. With a simple pickup/dropout time

To connect the element’s inputs, select the button for the corresponding input in the BESTlogic Function Element screen. The BESTlogic Expression Bui

At the top center of the screen is a pull-down menu labeled Logic. This menu allows viewing of the BESTlogic settings for each preprogrammed logic sc

Inputs and Outputs Reclose Initiate (RI) The RI input is used with the 52 status input to start the reclose timers at each step of the reclosing seq

Recloser Fail Timer (79F) This timer begins when the 79C output becomes TRUE and continues counting until the STATUS input becomes TRUE. If the 79F ti

used. Then, select the BESTlogic variable, or series of variables to be connected to the input. Select Save when finished to return to the BESTlogic

At the top of the screen is a pull-down menu labeled Logic. This menu allows viewing of the BESTlogic settings for each preprogrammed logic scheme. A

Figure 4-35. S#-79SCB=1/2/3/4/5 Logic Timing Diagram Figure 4-36. S#-79SCB=2/3/4/5 Logic Timing Diagram Zone-Sequence Coordination To coordinate

Application Firmware Version and Date Change interface using the RG-TARG=0 command. This allows targets to be reset by pulsing a contact sensing input

Figure 4-37. BESTlogic Function Element Screen, Reclosing (Zone Sequence Logic) Table 4-17 summarizes the settings for Zone-Sequence Coordination.

Figure 4-38. Overall Logic Diagram for Reclosing 9289900990 Rev R BE1-851 Protection and Control 4-35

Virtual Switches 43 - Virtual Selector Switches BE1-851 relays have four virtual selector switches that can provide manual control, locally and remote

Figure 4-40. BESTlogic Function Element Screen, 43 At the top center of the BESTlogic Function Element screen is a pull-down menu labeled Logic. Thi

CS/CO-x43 Command Examples: Example 1. Read the current status of virtual switch 43. >CO-43 0 Example 2. Momentarily toggle t

Figure 4-42. 101 Control Switch State Diagram When the virtual control switch is controlled to trip, the 101T output pulses TRUE (closed) for appro

Table 4-19. BESTlogic Settings for Virtual Breaker Control Switch Function Range/Purpose Default Mode 0 = Disable, 1 = Enable 0 Example 1. Mak

SECTION 5 • METERING TABLE OF CONTENTS SECTION 5 • METERING ...

ii BE1-851 Metering 9289900990 Rev R

SECTION 5 • METERING General The BE1-851 relay measures current inputs, displays those values in real time, records those values every one-quarter sec