Siemens siprotec 7SA522 User Manual

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

Siemens siprotec 7SA522 Specifications

General

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English