ABB Relion 650 Series Technical Manual page 86

Section 5
Local Human-Machine-Interface LHMI
80
Figure 28 shows the timing diagram when a new indication appears after the first
one has reset but before tRestart has elapsed.
Activating
signal 1
Activating
signal 2
LED 1
LED 2
Automatic
reset
Manual
reset
IEC01000241 V2 EN-US
Figure 28: Operating sequence 6 (LatchedReset-S), two indications within
same disturbance but with reset of activating signal between
Figure 29 shows the timing diagram for manual reset.
Activating
signal 1
Activating
signal 2
LED 1
LED 2
Automatic
reset
Manual
reset
IEC01000242 V2 EN-US
Figure 29: Operating sequence 6 (LatchedReset-S), manual reset
Disturbance
tRestart
Disturbance
tRestart
1MRK 511 424-UEN B
IEC01000241_2_en.vsd
IEC01000242_2_en.vsd
Bay control REC650 2.2 IEC
Technical manual