Basler Electric BE1-700 - Manual (Page 202)

Table 8-11. 700V-OUVF-A-BE (Over/Under V & F Protection) Contact Sensing Input Logic
Input Purpose Label
State Labels
Energized De-Energized
IN1 Breaker status indication in Sequence of
Events Reporting. TRUE when breaker is
open. Typically, IN1 is connected to the 52b
contact of the breaker. BREAKER Open Closed
IN2 Not used INPUT_2 Closed Open
IN3 Not used INPUT_3 Closed Open
IN4 Not used INPUT_4 Closed Open
Table 8-12. 700V-OUVF-A-BE (Over/Under V & F Protection) Function Block Logic
Function Purpose
BESTlogic
Expression
Mode Setting
24 Used for detection of transformer overexcitation 0 1 (enabled)
27P Used for phase undervoltage protection Level 1 0 1 (1 of 3)
127P Used for phase undervoltage protection Level 2 0 1 (1 of 3)
27X Not used 0 0
47 Used for negative-sequence protection 0 1 (enabled)
59P Used for phase overvoltage protection Level 1 0 1 (1 of 3)
159P Used for phase overvoltage protection Level 2 0 1 (1 of 3)
59X Used for 3Vo voltage detection Level 1 0 2
(3Vo-3 Ph VT input)
159X Used for 3Vo voltage detection Level 2 0 2
(3Vo-3 Ph VT input)
62/162 Not used 0 0
81 Underfrequency Protection Level 1 0 1
(Phase VT input)
281 Underfrequency Protection Level 1 0 1
(Phase VT input)
8-20 BE1-700 Application 9376700990 Rev M