9252000991 Rev N
BE1-50/51B Introduction
iii
REVISION HISTORY
The following information provides a historical summary of the changes made to this instruction manual
(9252000991). Revisions are listed in reverse chronological order.
Manual
Revision and Date
Change
N, 03/08
•
Updated front panel drawings to show new target reset button.
•
Added GOST-R to Section 1.
•
Moved content of Section 7,
Manual Change Information,
to manual
Introduction.
•
Moved Characteristic Curve graphs from Section 1 to new
Appendix A.
•
Moved content of Section 6,
Maintenance,
into Section 4,
Installation.
M, 11/00
•
Updated drawings in Section 2 to reflect changes to the PC board.
•
Updated the manual to reflect the change in switch call out from
SW8 to SW3.
•
Added new functionality to the PICKUP LED. It is now the
ACTIVE/PICKUP LED and will be green when active and red when
picked up.
L, 12/99
•
Changed all drawings to show the newly designed front cover.
•
Changed all references to the current for testing the targets to an ac
only type of current.
K, 02/99
•
Page 2-2: added description to Locator K for 100 series relays, unit
revision Q and previous.
•
Deleted Figure 2-2 from Section 2 and added it to new Section 8.
•
Page 3-2: added description to
Auxiliary Output Contacts
for 100
series relays, unit revision R and subsequent.
•
Added new Section 8,
Relay Differences.
J, 05/98
•
Added Patent Number to
Specifications
and changed the manual
format to reflect current manual styles.
I, 07/97
•
Added Model # BE1-50/51B-203 to Table 1-1.
•
Corrected Tables 1-3 and 1-4,
Figure Number.
•
Changed “pickup setting” to “pickup” on pages 1-7,
Time
Characteristics equation,
page 1-9,
Time Reset,
and Figures 1-6
through 1-14.
•
Added Oscillatory to
Surge Withstand Capability
on page 1-11.
•
Corrected Figure 1-18 to reflect the correct Time Dial range: 0.5 to
9.9.
•
Changed Table 7-1 to add ECA and date data.
H, 02/96
•
Incorporated changed in series 200 relays that added five
characteristic curves and changed switch SW8-3 functionality.
•
Changed Section 5,
Testing,
to incorporate setting all sections of
switch SW8.
G, 10/95
•
Corrected minor typographical errors in Section 1 and 2.
•
Corrected Table 2-1, locator item K,
Function.
•
Changed Figure 5-2 and all testing target current source references
from 0.2 ampere to 1.0 ampere.
•
Changed Table 7-1 to add ECA and date data.
F, 02/95
•
Changed all sections to reflect 200 series relay additions and relay
modifications that deleted P2 and P3 jumpers and added switch
SW8.
•
Changed
Specifications,
TIME and ISNT PICKUP accuracy; Output
Circuits, and Isolation (Dielectric Test).
E, 09/94
•
Corrected Figure 4-8.
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