Trip Circuit Supervision; Settings - Siemens siprotec 7SA522 User Manual

Functions

6.16.3 Settings

Measurement Su-
pervision
Addr. Setting Title
2901 MEASURE.
SUPERV
2902 BALANCE U-LIMIT
2903 BAL. FACTOR U
2904 BALANCE I LIMIT
2905 BAL. FACTOR I
ΣI THRESHOLD
2906
ΣI FACTOR
2907
2910 FUSE FAIL MON.
2911 FFM U>(min)
2912 FFM I< (max)
2913 FFM U<max (3ph)
2914 FFM Idelta (3p)
2921 T mcb
Trip Circuit
Supervision
Addr. Setting Title
4001 FCT TripSuperv.
4002 No. of BI
4003 Alarm Delay
6-228
The indicated secondary current values for setting ranges and default settings refer to
I = 1 A. For the nominal current 5 A the current values are to be multiplied by 5. The
N
values of impedance are divided by 5.
Setting Options
ON
OFF
10..100 V
0.58..0.95
0.10..1.00 A
0.10..0.95
0.05..2.00 A
0.00..0.95
ON
OFF
10..100 V
0.10..1.00 A
2..100 V
0.05..1.00 A
0..30 ms
Setting Options
ON
OFF
1..2
1..30 sec
Default Setting
ON Measurement Supervision
50 V Voltage Threshold for Balance
Monitoring
0.75 Balance Factor for Voltage
Monitor
0.50 A Current Balance Monitor
0.50 Balance Factor for Current Moni-
tor
0.10 A Summated Current Monitoring
Threshold
0.10 Summated Current Monitoring
Factor
ON Fuse Failure Monitor
30 V Minimum Voltage Threshold U>
0.10 A Maximum Current Threshold I<
5 V Maximum Voltage Threshold U<
(3phase)
0.10 A Delta Current Threshold
(3phase)
0 ms T mcb
Default Setting
OFF TRIP Circuit Supervision is
2 Number of Binary Inputs per trip
circuit
2 sec Delay Time for alarm
Comments
Comments
7SA522 Manual
C53000-G1176-C119-2