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INSTRUCTION MANUAL 

FOR 

DIGITAL FREQUENCY RELAY 

BE1-81O/U 

 

 Publication: 

9137300990 

 Revision: 

10/07 

 

Summary of Contents for BE1-81O/U

Page 1: ...INSTRUCTION MANUAL FOR DIGITAL FREQUENCY RELAY BE1 81O U Publication 9137300990 Revision J 10 07...

Page 2: ......

Page 3: ...ols and Indicators Functional Description Installation Testing WARNING To avoid personal injury or equipment damage only qualified personnel should perform the procedures in this manual NOTE Be sure t...

Page 4: ...tion 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 ROUT...

Page 5: ...ree position Selector Switch S7 All case drawings were updated to show revised case covers Definite time delay options test procedures Section 5 were modified to accommodate the new E1 and E2 timing o...

Page 6: ...iv BE1 81O U Introduction 9137300990 Rev J This page intentionally left blank...

Page 7: ...AND INDICATORS 2 1 INTRODUCTION 2 1 FRONT PANEL 2 1 CIRCUIT BOARD 2 2 Multiplier Settings 2 3 Cycles Seconds Settings 2 3 SECTION 3 FUNCTIONAL DESCRIPTION 3 1 INTRODUCTION 3 1 FUNCTIONAL DESCRIPTION 3...

Page 8: ...Rev J SECTION 5 TESTING 5 1 INTRODUCTION 5 1 TEST EQUIPMENT 5 1 OPERATIONAL TEST 5 1 Frequency Selector Settings 5 2 Definite Time Delay Cycles 5 3 Definite Time Delay Seconds 5 3 Undervoltage Inhibi...

Page 9: ...cy BE1 81O U relays with one or two setpoints are supplied in an S1 case Relays with three or four setpoints are supplied in an M1 case Time Delays Each definite time delay setting can be adjusted for...

Page 10: ...gle phase sensing input 3 100 120 Vac 40 to 70 Hz nominal sensing range E One normally open output relay per setpoint E1 Definite time delay selectable for cycles or seconds J 125 Vdc or 120 Vac relay...

Page 11: ...c 3 9 W 24 6 VA The type L power supply initially requires 14 Vdc to begin operating Once operating the voltage may be reduced to 12 Vdc and operation will continue Relay Outputs One relay output is p...

Page 12: ...etpoint Actual time delay is the sum of the elapsed time for three cycles of the input frequency timing circuits require three cycle continuous excursion through the setpoint plus the time for the plo...

Page 13: ...greater than 250 volts and input power supply voltages greater than 150 volts GOST R Gost R certified No POCC US ME05 B03391 complies with the relevant standards of Gosstandart of Russia Issued by ac...

Page 14: ...1 6 BE1 81O U General Information 9137300990 Rev J Figure 1 2 Inverse Time Overfrequency Characteristic Curves...

Page 15: ...6 0 8 0 4 0 3 0 2 0 7 6 0 7 0 9 0 5 0 4 0 3 0 8 0 2 0 9 6 7 8 5 4 3 2 1 0 D2645 09 04 07 97 0 1 10 Time Delay Setting Time in seconds 0 10 0 01 1 00 10 00 100 00 Frequency Difference From Setpoint Hz...

Page 16: ...1 8 BE1 81O U General Information 9137300990 Rev J This page intentionally left blank...

Page 17: ...when the sensed voltage decreases below the setting of this multi turn potentiometer The Undervoltage Inhibit Control has a setting range of 40 to 120 Vac The BE1 81O U is delivered with the control s...

Page 18: ...y or overfrequency condition is detected the corresponding pickup indicator lights and stays lit until the frequency returns to a non trip level I Time Delay Selector Switches A set of two thumbwheel...

Page 19: ...7 1 is placed in the up position and S7 2 is placed in the down position A times 10 multiplier is also obtained when S7 1 is placed in the down position and S7 2 is placed in the up position For a tim...

Page 20: ...2 4 BE1 81O U Controls and Indicators 9137300990 Rev J This page intentionally left blank...

Page 21: ...meter accessed through the front panel is used to adjust the undervoltage inhibit level from 40 to 120 Vac BE1 81O U relays are delivered with an undervoltage inhibit setting of 80 Vac Zero Crossing L...

Page 22: ...3 2 BE1 81O U Functional Description 9137300990 Rev J Figure 3 1 BE1 81O U Functional Block Diagram...

Page 23: ...CD number that represents the actual sensed frequency with an accuracy of 0 01 Hz within the 30 to 80 Hz limits The BCD frequency data bus passes this data to the frequency comparator logic of each se...

Page 24: ...in the up position and S7 2 is placed in the down position A times 10 multiplier is also obtained when S7 1 is placed in the down position and S7 2 is placed in the up position For a times 100 X100 m...

Page 25: ...are energized open during normal operation If the power supply output fails or operating power is removed from the relay the power supply status output relay de energizes and the contacts close Target...

Page 26: ...3 6 BE1 81O U Functional Description 9137300990 Rev J This page intentionally left blank...

Page 27: ...Always be sure that external operating conditions are stable before removing a relay from service Also ensure that connecting plugs are installed before replacing the case cover MOUNTING Because the...

Page 28: ...4 2 BE1 81O U Installation 9137300990 Rev J Figure 4 1 S1 Case Panel Cutting Diagram Semi Flush Mounting...

Page 29: ...9137300990 Rev J BE1 81O U Installation 4 3 Figure 4 2 S1 Case Panel Cutting Drilling Diagram Projection Mounting Rear View...

Page 30: ...4 4 BE1 81O U Installation 9137300990 Rev J D2853 21 06 15 99 Figure 4 3 S1 Case Cover Dimensions Front View...

Page 31: ...9137300990 Rev J BE1 81O U Installation 4 5 Figure 4 4 S1 Case Dimensions Rear View...

Page 32: ...4 6 BE1 81O U Installation 9137300990 Rev J D2853 22 06 15 99 Figure 4 5 S1 Case Dimensions Semi Flush Mounting Side View...

Page 33: ...9137300990 Rev J BE1 81O U Installation 4 7 Figure 4 6 S1 Case Dimensions Projection Mounting Side View...

Page 34: ...nstallation 9137300990 Rev J 25 6 4 DIA 14 25 7 13 3 03 6 06 7 31 14 63 5 69 2 84 154 0 77 0 185 7 371 5 144 5 72 1 4 PLACES 362 0 181 0 2 16 93 D1427 11 Figure 4 7 M1 Case Panel Cutting Diagram Semi...

Page 35: ...9137300990 Rev J BE1 81O U Installation 4 9 Figure 4 8 M1 Case Panel Cutting Drilling Diagram Projection Mounting Double Ended Rear View...

Page 36: ...4 10 BE1 81O U Installation 9137300990 Rev J Figure 4 9 M1 Case Cutting Drilling Diagram Projection Mounting Single Ended Rear View...

Page 37: ...9137300990 Rev J BE1 81O U Installation 4 11 D2856 02 06 15 99 Figure 4 10 M1 Case Cover Dimensions Front View...

Page 38: ...4 12 BE1 81O U Installation 9137300990 Rev J 14 69 5 56 141 3 373 1 1 2 9 10 20 19 12 11 D1427 09 07 09 93 Figure 4 11 M1 Case Dimensions Rear View...

Page 39: ...9137300990 Rev J BE1 81O U Installation 4 13 Figure 4 12 M1 Case Dimensions Semi Flush Mounting Side View...

Page 40: ...Installation 9137300990 Rev J D2856 21 06 15 99 DETAIL A A SHOWING THE ADDITION OF WASHERS OVER THE BOSS TO TIGHTEN THE RELAY AGAINST THE PANEL CASE PANEL Figure 4 13 M1 Case Dimensions Projection Mou...

Page 41: ...pens the normally open trip contact circuits and short circuits the normally closed trip contact circuits before opening the power and sensing circuits Incorrect wiring may result in damage to the rel...

Page 42: ...perly contact Technical Sales Support at Basler Electric to coordinate repairs STORAGE This protective relay contains aluminum electrolytic capacitors which generally have a life expectancy in excess...

Page 43: ...Frequency Pickup 1 Connect the relay as shown in Figure 5 1 2 Adjust Selector Switch S7 for setpoint 1 located on the definite time circuit board controlling setpoint 1 to obtain a time delay in cycle...

Page 44: ...requency Selector Switch 51 11 3 Apply operating power to the relay 4 Apply 60 Hz voltage to the relay sensing input The level of voltage must exceed the setting of the adjustable front panel Undervol...

Page 45: ...itch S7 for setpoint 1 located on the definite time circuit board controlling setpoint 1 to obtain a time delay in seconds with a x1 multiplier S7 1 down S7 2 down and S7 3 down 3 Adjust the front pan...

Page 46: ...not light and the setpoint 1 output relay should not trip 7 Increase the level of the sensing input voltage until it exceeds the level of the undervoltage inhibit setting The Undervoltage Inhibit indi...

Page 47: ...ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351...

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