Basler Electric BE1-50/51B-121 - Manual (Page 7)

9252000994 Rev P BE1-50/51B-214/-215/-223/-225 Introduction iii
REVISION HISTORY
The following information provides a historical summary of the changes made to this instruction manual
(9252000994). Revisions are listed in reverse chronological order.
Manual
Revision and Date
Change
P, 12/11 
Made changes to reflect that a new connection plug is included with
the relay.

Updated year of IEEE C37.90 specifications in Section 1.

Improved description of Locator H (Active/Pickup LED) in Table 2-1.
N, 04/10 
Added BE1-50/51B-223 model.
M, 07/09 
Added the required information to document part number
9252000215.
L, 01/09

Removed notes about hard-wiring relay case to ground since relay
is a direct replacement, i.e. not shipped with a case.

Updated Storage statement in Section 4.

Modified Figure 5-2, Target Operational Test Setup.

In Section 5, modified Target Test so that TIME and INST targets
can be verified independently from each other.

Minor text edits throughout manual.
K, 03/08 
Updated front panel drawings to show new reset button and targets.
J, 01/07 
Moved Time Characteristic Curve Figures to Appendix A.

Moved Section 6, Maintenance information into Section 4,
Installation.
H, 05/06

In Section 5, Testing, Test Procedure, Models BE1-50/51B-225
(One Ampere Sensing Input) Time Dial Test, corrected the elapsed
time stated in step 2.

Added the relay’s metric weight to Section 1, General Information,
Specifications.

Moved contents of Section 7, Manual Change Information to the
manual introduction and deleted Section 7.
G, 03/00

Added the required information to document part number
9252000225.
F, 12/00

Updated the drawings in Section 2 to reflect PC board updates.

Updated the remainder of the manual to reflect switch designation
change from SW8 to SW3.

Added new functional description to the Active/Pickup LED
(formerly designated Pickup LED).
E, 12/99

Changed all target test current references to 1 Aac.

Deleted step 5 of Section 6, Maintenance, Periodic Tests.
D, 05/98 
Added the patent number to Section 1, General Information,
Specifications.

Updated format of the manual.
C, 12/95

Added material to document the addition of five characteristic
curves and ability to select curve groups GE IAC or ABB.

Changed Section 5, Testing to use the GE IAC curve group.
B, 10/95 
Changed Figure 5-2 and all references to the target testing current
source from 0.2 to 1.0 amperes.

Corrected various, minor typographical errors in Sections 1 and 2.