ABB REG650 Technical Manual page 77

Generator protection
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1MRK 502 043-UUS B
Technical Manual
signals is performed. LEDs set for sequence 6 are completely independent in its
operation of LEDs set for other sequences.
Timing diagram for sequence 6
Figure 22
shows the timing diagram for two indications within one disturbance.
Activating
signal 1
Activating
signal 2
LED 1
LED 2
Automatic
reset
Manual
reset
IEC01000239 V2 EN
Figure 22:
Operating sequence 6 (LatchedReset-S), two indications within same
disturbance
Figure 23
shows the timing diagram for a new indication after tRestart time has elapsed.
Local Human-Machine-Interface LHMI
Disturbance
tRestart
Section 5
IEC01000239_2-en.vsd
71

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