9170600990 Rev H BE1-27/59 Introduction iii
REVISION HISTORY
The following information provides a historical summary of the changes made to the BE1-27, BE1-59, a
nd
BE1-27/59 instruction manual (9170600990). Revisions are listed in reverse chronological order.
Manual
Revision and Date
Change
H, 02/08
• Con
solidated sensing input range options in style chart of Figure 1-2
to cover all relay models.
G, 09/07
• Upd
ated Output Contacts ratings in Section 1.
• Moved conte
nt of Section 6, Maintenance to Section 4.
• Upd
ated front panel illustrations to show laser graphics.
• Moved conte
nt of Section 7, Manual Change Information to manual
introduction.
• Added ma
nual part number and revision to all footers.
• Upd
ated cover drawings.
• Upd
ated power supply burden data in Section 1.
• Upd
ated target Indicator description in Section 3.
F, 06/07
• Upd
ated specifications listed in Section 1.
E, 07/04
• Added mi
ssing square root symbol to equations of System Voltages
paragraph in Section 3, Functional Description.
D, 06/03
• Re
vised Resistive and Inductive Output Contact Ratings on page 1-4.
• Upd
ated the Definite Time Accuracy setting on page 1-5.
• Delete
d Range 2 row from Figures 3-2 through 3-4.
• Added a n
ew step (Step 3) under Timing for instantaneous to page 5-
4.
• Cha
nged the table that Note 2 referred to in Figure 5-2.
• Page 5-5, Ta
ble 5-3, Timing Test Results, Definite Timing Type specs
were changed.
C, 11/99
• Re
vised the manual to the current standard format.
• Cha
nged characteristic curves figures in Section 3 to improve the
accuracy.
• Added g
round terminals to new Figures 1-1 and 4-16.
• Added inte
rconnection diagrams, Figures 4-13, 4-14, and 4-15.
• Added Se
ction 7, Manual Change Information.
—, 01/86
• Initial release
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