Basler Electric BE1-87T User Manual

Page 7

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9171300990 Rev V

BE1-87T Introduction

v

Manual

Revision and Date

Change

I, 01/95

Added outline (box) to Figure 5-8 to highlight the figure.

Page 5-42, Step 5, changed, “should be less than 4.45” to, “must be
less than 4.45”.

Added note to page 5-43, Step 10 and corrected the formula in Step
10.

Page 5-45, Step 18, corrected formula and high side results; and
Step 19, changed last sentence from H (13 x tap) to S (21 x tap).

Page 5-46, Steps 20 and 21, corrected figure references.

H, 12/94

Page 1-6, changed Specification for Restrained Output, Pickup
Accuracy.

Changed Section 5, Testing and Setting, Verification Tests (all
models): Steps 1, 4, 5, and 8; and Table 5-4.

Page 5-50, Jumper Positions Wye-Delta 1, Step 3: Corrected Input 2
terminal identifications.

Page 5-51, Jumper Positions Delta2-Delta2, Step 2: Corrected
verification statement.

G, 09/94

Changed all sections to reflect new Option 1-1.

Added to Section 5 four examples for testing relays to clarify test
procedures.

Added to Section 5 one procedure for setting relays.

Corrected typographical and illustration errors.

F, 03/93

Changed formula pages 5-4, 5-10, 5-16, and 5-22 from I = the square
root of K over t, to I = K over the square root of t.

E, 01/93

Manual was revised to incorporate a revision in the relay that made
sensing input type F obsolete and included the 1 A, 60 hertz and 5 A,
50 hertz model relays.

Section 5, Test Setup, diagrams were changed to clarify relay
connections.

Added three relay Internal Connection diagrams.

Changed unrestrained maximum time to trip, reference old Tables 5-4
and 5-8 (new Tables 5-4, 5-8, 5-12, and 5-16).

Renamed Section 7, Manual Change Information to Section 8,
Manual Change Information and added new Section 7, Difference
Data to support BE1-87T relays with Sensing Input Type F.

D, 06/92

Manual was revised to include the 1 A, 50 Hz model relay and
reformatted to a new Instruction Manual style.

Additional connection diagrams were included in Section 4 and test
plug information was added to Section 6.

Minor typographical errors were also corrected.

C, 03/91

Table 5-1 was expanded and Figure 5-4 Test Setup illustration was
added.

Miscellaneous editing.

B, 03/91

Manual (with the exception of Section 2) was rewritten for ease of
use.

A, 06/90

Figure 3-1 (Functional Block Diagram) corrected.

Formula in caution note (formerly on p. 4-17, now on p. 5-2)
corrected.

Miscellaneous editing.

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