9170800990 Rev M
BE1-87G Introduction
iii
REVISION HISTORY
The following information provides a historical summary of the changes made to the BE1-87G instruction
manual (9170800990). Revisions are listed in reverse chronological order.
Manual
Revision and Date
Change
M, 03/10
Changed the sensing input range specifications for pickup accuracy
in Section 1.
Corrected labeling in Figures 4-15 and 5-5.
L, 09/07
Replaced magnetic type targets with electronic type targets.
K, 06/07
Updated power supply burden data and output contact ratings.
Updated front panel illustrations to show laser graphics.
Added dimensional drawings for single-ended cases.
Updated all applicable illustrations to show revised case covers.
Added three-phase sensing connection diagram for delta-connected
machine.
Moved content of Section 6,
Maintenance
to Section 4.
Moved content of Section 7,
Manual Change Information
to manual
Introduction.
J, 05/99
Updated format of the manual.
Corrected Figure 1-2.
Corrected terminal numbering reference on page 1-4, last paragraph.
Corrected Figures 4-11 and 4-12.
I
This revision letter not used.
H, 05/96
Added sensing input range 2 (1 Aac nominal) to the available models.
Changed high speed operation from 20 ms to 30 ms.
Changed all connection diagrams to include ground connections,
where applicable.
Added internal connection diagrams.
Corrected Table 1-1.
Clarified setting example for motor differential application.
Added
Setting Example #2.
Split Section 4 into two sections. New section is Section 5,
Testing
and Setting.
G, 10/91
Added I
2
t rating for stabilizer reactor.
Added Figure 4-1,
Stabilizing Reactor Impedance Characteristics.
F, 07/91
Changed pickup accuracy for Ir > 5 A from 30 A,
5% to 20 A,
8% of
the operate pickup characteristic or 150 mA, whichever is greater.
E, 07/91
Modified Figures 1-1 and 1-2.
Added warning information to pages 1-1 and 4-2.
D, 03/91
Removed On/Off switch material.
Added material documenting stabilizing reactor.
Added illustrations for typical connections, sensing input connections,
test setup, extended operational characteristics, and pickup response
timing.
Added table for current sensing burden.
Added relay setting material to Section 5.
Содержание BE1-87G
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Страница 39: ...9170800990 Rev M BE1 87G Installation 4 9 Figure 4 8 Outline Dimensions Rear View Double Ended Mounting Case...
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Страница 41: ...9170800990 Rev M BE1 87G Installation 4 11 Figure 4 10 Outline Dimensions Front View Case Cover...
Страница 46: ...4 16 BE1 87G Installation 9170800990 Rev M Figure 4 15 Typical DC Control Connections...
Страница 47: ...9170800990 Rev M BE1 87G Installation 4 17 Figure 4 16 Single Phase Sensing Connections...
Страница 48: ...4 18 BE1 87G Installation 9170800990 Rev M Figure 4 17 Three Phase Sensing Connections Wye Connected Generator...
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Страница 56: ...5 4 BE1 87G Testing and Setting 9170800990 Rev M Figure 5 3 Operating Characteristics Relay Style x1x xxx xxxxx...
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