Basler Electric BE1-700 User 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