Basler BE1-79A User manual

INSTRUCTION MANUAL
FOR
RECLOSING RELAY
BE1-79A
Publication: 9310200990
Revision: G 02/08

9310200990 Rev G BE1-79A Introduction i
INTRODUCTION
This instruction manual provides information about the operation and installation of the BE1-79A
Reclosing Relay. To accomplish this, the following information is provided:
•General Information and Specifications
•Controls and Indicators
•Functional Description
•Installation
•Maintenance
WARNING!
To avoid personal injury or equipment damage, only qualified personnel should
perform the procedures in this manual.
NOTE
Be sure that the BE1-79A is hard-wired to earth ground with no smaller than 12
AWG copper wire attached to the ground terminal on the rear of the unit case.
When the BE1-79A is configured in a system with other devices, it is
recommended to use a separate lead to the ground bus from each unit.

ii BE1-79A Introduction 9310200990 Rev G
First Printing: July 1997
Printed in USA
© 2008 Basler Electric, Highland Illinois 62249 USA
All Rights Reserved
February 2008
It is not the intention of this manual to cover all details and variations in equipment, nor does this manual
provide data for every possible contingency regarding installation or operation. The availability and design
of all features and options are subject to modification without notice. Should further information be
required, contact Basler Electric.
BASLER ELECTRIC
ROUTE 143, BOX 269
HIGHLAND IL 62249 USA
http://www.basler.com, [email protected]
PHONE [phone] FAX [phone]
CONFIDENTIAL INFORMATION
of Basler Electric, Highland Illinois, USA. It is loaned for confidential use, subject
to return on request, and with the mutual understanding that it will not be used in
any manner detrimental to the interest of Basler Electric.

9310200990 Rev G BE1-79A Introduction iii
REVISION HISTORY
The following information provides a historical summary of the changes made to the BE1-79A hardware,
firmware, and software. The corresponding revisions made to this instruction manual (9310200990) are
also summarized. Revisions are listed in reverse chronological order.
Application Firmware
Version and Date Change
1.07, 02/08 •Modified firmware so the relay will go to Lockout after the EXIT
command is entered through the RS-232 port or access has timed
out. If the breaker is closed, the relay will go to Reset after the
Lockout Timer expires.
1.05, 08/00 •SP-79ARS command mode parameters were changed from C
(closed) and O (open) to E (energized) and D (de-energized).
1.03.XX, 08/98 •Coordinated open and close timing of outputs C5 and C6 to preserve
consistent operation of the anti-pump function.
1.02.XX, 06/98 •Communication was made consistent with other Basler products by
adding line feeds to ASCII data returned by the relay.
1.02.XX, 12/97 •Initial release of part number 9310200200.
1.01.XX, 07/97 •Initial release of part numbers 9310200100 and 9310200101.
Hardware
Version and Date Change
05/03 •Initial release of part number 9310200201.
08/00 •Added RS Contact Switch S5 for user-selection of normally-open or
normally-closed RS contacts.
01/00 •Contact sensing jumpers added to the digital circuit board of relays
with part number 9310200101 gave inputs V1, V2, V3, and V4 three
specific ranges of operating voltage.
10/98 •Changed serialization format to HXXXXXXXX.
12/97 •Initial release of part number 9310200200.
07/97 •Initial release of part numbers 9310200100 and 9310200101.
Manual
Revision and Date Change
G, 02/08 •Added manual part number and revision to footers.
•Updated Output Contact ratings in Section 1.
•Updated Lockout description in Section 3 to support version 1.07
firmware.
•Updated Command Descriptions in Section 4 to support version 1.07
firmware.

iv BE1-79A Introduction 9310200990 Rev G
Manual
Revision and Date Change
F, 10/05 •Added switch S4 labels to Figure 2-3.
•In Figures 3-1, 6-1, and 6-2, enhanced C8 function block illustration to
show NO or NC contact selectable by switch S5. Changed C10 from
NC to NO.
•Added RS Mode Selector switch illustration and corrected shorting
bars placement in Figures 3-2 and 3-3.
•Changed name of Section 4 from Communication to Communication
Commands.
•Changed name of Section 5 from Installation to Installation and
Configuration.
•Corrected and clarified connection drawings of Figures 5-4 and 5-5.
•Added troubleshooting tips to Section 6.
•Moved contents of Section 7 to Section 1 and deleted Section 7.
•Added Appendix A, RS Contact Application.
•Added Appendix B, Terminal Communication.
E, 04/03 •Added information pertaining to part number 9310200201.
•Clarified the weight specification in Section 1.
•Corrected error in Figure 5-4.
D, 08/00 •Covered addition of RS Contact Switch S5 and changes to SP-
79ARS command.
C, 01/00 •Information pertaining to the jumper-selectable contact sensing
voltage ranges was added. Drawings in Figure 5-1 were changed to
show the revised relay case cover.
B, 05/98 •Patent information was added to Section 1. Various errors in Sections
1, 3, and 6 were corrected.
A, 09/97 •Information pertaining to the power supply holdup feature was added.
—, 01/05 •Initial release

9310200990 Rev G BE1-79A Introduction v
CONTENTS
SECTION 1 •GENERAL INFORMATION ................................................................................................ 1-1
SECTION 2 •CONTROLS AND INDICATORS........................................................................................ 2-1
SECTION 3 •FUNCTIONAL DESCRIPTION........................................................................................... 3-1
SECTION 4 •COMMUNICATION COMMANDS...................................................................................... 4-1
SECTION 5 •INSTALLATION AND CONFIGURATION.......................................................................... 5-1
SECTION 6 •TESTING ............................................................................................................................ 6-1
APPENDIX A •RS CONTACT APPLICATION.........................................................................................A-1
APPENDIX B •TERMINAL COMMUNICATION.......................................................................................B-1

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9310200990 Rev G BE1-79A General Information i
SECTION 1 •GENERAL INFORMATION
TABLE OF CONTENTS
SECTION 1 •GENERAL INFORMATION ................................................................................................1-1
DESCRIPTION.......................................................................................................................................1-1
FEATURES............................................................................................................................................1-1
Controls And Indicators......................................................................................................................1-1
Communication...................................................................................................................................1-1
Power Holdup Circuit..........................................................................................................................1-1
PRIMARY APPLICATION......................................................................................................................1-2
SPECIFICATIONS.................................................................................................................................1-2
Reclose Timers 1, 2, 3, and 4 ............................................................................................................1-2
Reset Timers 1, 2, 3, 4, and Final......................................................................................................1-2
Lockout Timer.....................................................................................................................................1-2
RS Set and Reset Timers...................................................................................................................1-2
Communication Port...........................................................................................................................1-2
Power Supply .....................................................................................................................................1-2
Contact Sensing Inputs......................................................................................................................1-2
Output Contacts .................................................................................................................................1-3
Type Tests..........................................................................................................................................1-3
Environment .......................................................................................................................................1-3
Weight ................................................................................................................................................1-3
Patent.................................................................................................................................................1-3
MAINTENANCE.....................................................................................................................................1-4
Tables
Table 1-1. BE1-79A Versions and Features..............................................................................................1-1

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9310200990 Rev G BE1-79A General Information 1-1
SECTION 1 •GENERAL INFORMATION
DESCRIPTION
The BE1-79A Reclosing Relay is an economical, microprocessor-based relay that automatically recloses
circuit breakers that have been tripped by protective relays or other devices in power transmission and
distribution systems. The BE1-79A offers true "plug and play" convenience; it can be installed in an
existing GE type S2 case with no wiring changes required. General Electric type ACR11A, ACR11B,
ACR11C, ACR11E, and ACR11F reclosing relays can be directly replaced by the BE1-79A-100 or BE1-
79A-101. The BE1-79A-200 is available in a shorter cradle that fits in a Basler S1 case for new
installations.
Table 1-1 lists the case style and special features of each version of the BE1-79A.
Table 1-1. BE1-79A Versions and Features
Catalog Number Options Cradle Style
BE1-79A-100 None S2
BE1-79A-101 Power holdup circuit S2
BE1-79A-200 Mounting case included S1
BE1-79A-201 Power holdup circuit and mounting case included S1
FEATURES
BE1-79A Multiple Shot Reclosing Relays have the following standard features:
•Rugged construction in a steel, draw-out case
•A maximum of four automatic reclosures
•A maximum of four automatic resets
•Lockout function
•Selectable instantaneous or delayed first reclosure
•Selectable internal or external instantaneous jumper
•Selectable normally closed or normally open RS output contact
•Selectable Relay Fail or Lockout and Relay Fail output contact
•Selectable contact sensing voltage range
Controls and Indicators
The front panel has indicators to verify relay power and recloser status. A Reset switch is provided to
restore the relay to the reset mode by clearing a reclosing sequence or a lockout condition. The left side
of the relay cradle has switches (S1, S2, and S3) to configure the relay for either ACR11A or ACR11B
operation. The right side of the cradle has a switch (S4) to select either an internal or an external jumper
for an instantaneous, first reclose. The right side of the cradle also has a switch (S5) to select either
normally open or normally closed operation of the RS contact.
Communication
All relay settings are read or changed through the serial port located on the front panel. The BE1-79A
uses ASCII protocol.
Power Holdup Circuit
The BE1-79A is available with an optional, internal, power holdup circuit. This circuitry maintains the
output contacts for a minimum of 40 cycles after nominal operating power is removed from relay terminals
5 and 6.

1-2 BE1-79A General Information 9310200990 Rev G
PRIMARY APPLICATION
The BE1-79A automatically recloses circuit breakers that have been tripped by protective relays or other
devices in power transmission and distribution systems.
Over 90% of faults occurring on overhead lines may be cleared by momentarily de-energizing the line.
Once the circuit breaker has been opened to de-energize the line, the BE1-79A provides a reliable
automatic reclosure. The advantages are:
•Improved service continuity—returns the line to service quickly, preserving line integrity and
minimizing outage effects on critical loads.
•System stability—prevents disjointing of the system grid.
•Higher line availability—decreases likelihood of permanent loss of line.
SPECIFICATIONS
BE1-79A relays have the following features and capabilities.
Reclose Timers 1, 2, 3, and 4
Range: 0 to 300 seconds
Increments: 0.1 second
Accuracy: ±20 milliseconds ±1%, typical
±50 milliseconds ±1%, maximum
Reset Timers 1, 2, 3, 4, and Final
Range: 0 to 300 seconds
Increments: 0.1 seconds
Accuracy: ±20 milliseconds ±1%, typical
±50 milliseconds ±1%, maximum
Lockout Timer
Range: 0 to 300 seconds
Increments: 0.1 seconds
Accuracy: ±20 milliseconds ±1%, typical
±50 milliseconds ±1%, maximum
RS Set and Reset Timers
Range: 0 to 300 seconds
Increments: 0.1 seconds
Accuracy: ±20 milliseconds ±1%, typical
±50 milliseconds ±1%, maximum
Communication Port
Parameters: 9600 baud, 8N1 half duplex
Protocol: ASCII
Power Supply
Operating Range: 120 to 240 Vac
125 to 250 Vdc
Power Holdup Time∗: 40 cycles (670 ms)
∗BE1-79A-101, BE1-79A-201 only. Minimum holdup time after loss of nominal operating voltage.
Contact Sensing Inputs
Operating Range
48 Vdc, Nominal: 38.4 to 275 Vdc
125 Vdc/120 Vac, Nominal: 100 to 275 Vdc or 96 to 264 Vac
250 Vdc/240 Vac, Nominal: 200 to 275 Vdc or 192 to 264 Vac
Energizing Level: 80% of nominal
Current Draw: 1.5 mA maximum per input

9310200990 Rev G BE1-79A General Information 1-3
Recognition Time
Typical: 15 ms for dc, ac (45 to 65 Hz)
Maximum: 25 ms for dc, ac (45-65 Hz)
Dropout Time
Typical: 15 ms for dc, ac (45-65 Hz)
Maximum: 25 ms for dc, ac (45-65 Hz)
Output Contacts
Resistive Ratings
120 Vac: Make, break, and carry 7 Aac continuously
250 Vdc: Make and carry 30 Adc for 0.2 s, carry 7 Adc continuously,
break 0.3 Adc
500 Vdc: Make and carry 15 Adc for 0.2 s, carry 7 Adc continuously,
break 0.3 Adc
Inductive Ratings
120 Vac, 125 Vdc, 250 Vdc: Break 0.3 A (L/R = 0.04)
Type Tests
Electrostatic Discharge (ESD)
8 kV contact discharges and 15 kV air discharges applied in accordance with IEC 801-2 ESD.
Dielectric Strength
1500 Vac at 50/60 Hz in accordance with IEEE C37.90
The RS-232 serial communication port is intended only for periodic use and is not subject to the
requirements of IEEE C37.90.
Surge Withstand Capability—Oscillatory and Fast Transient
Qualified to IEEE C37.90.1-1989 Standard Surge Withstand Capability (SWC) Tests for Protective Relays
and Relay Systems. The RS-232 Serial Communication Port is intended only for periodic use and is not
subject to the requirements of IEEE C37.90.1.
Radio Frequency Interference (RFI)
Type tested using a 5 W, hand-held transceiver in the ranges of 144 and 440 MHz with the antenna
placed within 6 inches (152 millimeters) of the relay.
Shock
In standard tests, the relay has withstood 15 G in each of three mutually perpendicular planes without
structural damage or degradation of performance.
Vibration
In standard tests, the relay has withstood 2 G in each of three mutually perpendicular planes, swept over
the range of 10 to 500 Hz for six sweeps, 15 minutes each sweep, without structural damage or
degradation of performance.
Environment
Operating Temperature Range: –40 to 70°C (–40 to 158°F)
Storage Temperature Range: –40 to 85°C (–40 to 185°F)
Humidity: Qualified to IEC 68-2-38, 1st Edition 1974, Basic Environmental
Test Procedures, Part 2: Test Z/AD: Composite Temperature
Humidity Cyclic Test
Weight
BE1-79A-100, -101: 5 lb (2.3 kg) maximum
BE1-79A-200, -201: 13 lb (5.9 kg) maximum
Patent
Number 6,239,960

1-4 BE1-79A General Information 9310200990 Rev G
MAINTENANCE
BE1-79A relays require no preventative maintenance. However, testing should be performed according to
scheduled practices. If the relay fails to function properly, contact the Technical Support Services
department of Basler Electric for a return authorization number before returning the relay for service.

9310200990 Rev G BE1-79A Controls and Indicators i
SECTION 2 •CONTROLS AND INDICATORS
TABLE OF CONTENTS
SECTION 2 •CONTROLS AND INDICATORS........................................................................................2-1
FRONT PANEL......................................................................................................................................2-1
STYLE CONFIGURATION SWITCHES................................................................................................2-2
INSTANTANEOUS RECLOSE JUMPER SWITCH AND RS CONTACT SWITCH ..............................2-2
Figures
Figure 2-1. Front Panel Controls and Indicators .......................................................................................2-1
Figure 2-2. Style Configuration Switches..................................................................................................2-2
Figure 2-3. InstantaneousReclose Jumper Switch and RS Contact Selection Switch............................. 2-3
Tables
Table 2-1. Front Panel Control and Indicator Descriptions.......................................................................2-1

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9310200990 Rev G BE1-79A Controls and Indicators 2-1
SECTION 2 •CONTROLS AND INDICATORS
FRONT PANEL
Front panel controls and indicators are illustrated in Figure 2-1 and described in Table 2-1. The locators
and descriptions of Table 2-1 correspond to the locators shown in Figure 2-1.
Figure 2-1. Front Panel Controls and Indicators
Table 2-1. Front Panel Control and Indicator Descriptions
Locator Description
A RS-232 Serial Communication Port. A PC or computer terminal running a terminal
emulation program such as Windows® HyperTerminal can be connected to this port so that
relay settings can be read or changed. Communication with the BE1-79A uses a simple
ASCII command language.
B Power LED. A lit Power LED indicates that operating power is applied to the relay.
C Identification Label. Shows relay information such as the sensing input range, power supply
type, serial number, and part number.
D Lockout LED. When lit, this LED indicates that the relay is in the lockout state.
E In Sequence LED. A lit In Sequence LED indicates any one of the following states:
•Timing to reclose
•Timing to reset
•Timing to lockout
•Attempting to reclose
•Attempting to reset
F Reset LED. When lit, this LED indicates that the relay is in the reset state.
G Reset Pushbutton. Pressing this momentary switch clears the In Sequence or Lockout LEDs
and restores the relay to the reset state.

2-2 BE1-79A Controls and Indicators 9310200990 Rev G
STYLE CONFIGURATION SWITCHES
Three switches on the left side of the relay cradle are used to configure the BE1-79A for either ACR11A
or ACR11B operation. For simplicity, recloser styles ACR11B, ACR11C, ACR11D, ACR11E, and ACR11F
will be referred to as ACR11B throughout this manual. Figure 2-2 illustrates the location of the style
configuration switches. The BE1-79A is delivered with switches S1, S2, and S3 placed in the “A” position.
Figure 2-2. Style Configuration Switches
INSTANTANEOUS RECLOSE JUMPER SWITCH AND RS CONTACT SWITCH
Two switches on the right side of the relay cradle select either internal or external jumpering for an
instantaneous first reclosure and for selecting normally-closed or normally-open operation of the RS
contact. Switch S4 is used to select internal or external jumpering and switch S5 is used to select
normally-open or normally-closed operation of the RS contact. Figure 2-3 illustrates the location of
switches S4 and S5. The BE1-79A is delivered with switch S4 placed in the “EXT” position and switch S5
placed in the “NC” position.

9310200990 Rev G BE1-79A Controls and Indicators 2-3
Figure 2-3. Instantaneous Reclose Jumper Switch and RS Contact Selection Switch

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