ABB RELION 670 Series Technical Manual page 106

Section 5
Local Human-Machine-Interface LHMI
Activating
signal GREEN
Activating
signal RED
LED
Reset
IEC09000316 V1 EN-US
Figure 24: Operating sequence 5, two colors
Sequence 6 LatchedReset-S
In this mode all activated LEDs, which are set to
reset at a new disturbance when activating any input signal for other LEDs set to
LatchedReset-S. Also in this case indications that are still activated will not be affected by manual
reset, that is, immediately after the positive edge of that the manual reset has been executed a
new reading and storing of active 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 25
Activating
signal 1
Activating
signal 2
LED 1
LED 2
Automatic
reset
Manual
reset
IEC01000239 V2 EN-US
Figure 25: Operating sequence 6 (LatchedReset-S), two indications within same disturbance
Figure 26
100
R
shows the timing diagram for two indications within one disturbance.
Disturbance
shows the timing diagram for a new indication after
G
IEC09000316_1_en.vsd
Sequence 6 (LatchedReset-S), are automatically
tRestart
IEC01000239_2-en.vsd
tRestart time has elapsed.
1MRK 502 066-UUS B
SEMOD56072-75 v4
Sequence 6
SEMOD56072-86 v3
Technical manual