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Use
SFT2841 Setting and Operating
Software
Default Settings
Parameter Default Value
Control Logic
Switchgear control On, circuit breaker
Logic discrimination Off
Genset shutdown Off
De-excitation Off
Load shedding Off
Restart Off
Capacitor step control Off
Automatic transfer Off
Logic I/O Assignment
O1, O3 On, NO, permanent
O2, O5 On, NC, permanent
O4 Off
Protection
Activity All protection functions are "off"
Latching 21B, 27D, 32P, 32Q, 38/49T, 40, 46, 48/51LR, 49RMS,
50BF, 50/27, 50/51, 50N/51N, 50V/51V, 51C, 64REF,
67, 67N, 78PS, 87M, 87T
Participation in switchgear control 21B, 32P, 32Q, 37, 38/49T, 40, 46, 48/51LR, 49RMS,
50/27, 50/51, 50N/51N, 50V/51V, 64REF, 67, 67N,
78PS, 87M, 87T
Genset shutdown 12, 40, 50/51 (units 6, 7), 50N/51N (units 6, 7), 59N,
64REF, 67, 67N, 87M, 87T
De-excitation 12, 40, 50/51 (units 6, 7), 50N/51N (units 6, 7), 59, 59N,
64REF, 67, 67N, 87M, 87T
Setting Approximate values consistent with general
characteristics by default
Matrix
LED According to front panel marking
Disturbance recording Pick-up
All protection functions except for 14, 27R, 38/49T,
48/51LR, 49RMS, 50BF, 51C, 66
Logic outputs O1: tripping
O2: block closing
O3: closing
O5: watchdog
Disturbance Recording
Activity On
Number of recordings 6
Duration of a recording 3
Number of samples per period 12
Number of Pretrig periods 36
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