Basler Electric BE1-700 User Manual
Page 187
Figure 8-2. 700C-5051-A-BE (Basic OC) One-Line Drawing
Table 8-1. 700C-5051-A-BE (Basic OC) Contact Sensing Input Logic
Input
Purpose
Label
State Labels
Energized
De-Energized
IN1
Optional input used for 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
CLOSED
OPEN
IN2
Not used
INPUT_2
CLOSED
OPEN
IN3
Not used
INPUT_3
CLOSED
OPEN
IN4
Not used
INPUT_4
CLOSED
OPEN
Table 8-2. 700C-5051-A-BE (Basic OC) Function Block Logic
Function
Purpose
BESTlogic
Expression
Mode Setting
50TP
Used for instantaneous phase overcurrent protection
0
1 (enabled)
50TN
Used for instantaneous neutral overcurrent protection.
0
1 (3-phase
Residual)
52
51P
51N
51Q
50TP
50TN
50TQ
OUT2
OUT4
OUT3
OUT5
OUT1
TRIP
BE1-700C
D2849-50
10-05-04
9376700990 Rev M
BE1-700 Application
8-5