ABB RES670 Technical Manual page 104

Section 5
Local Human-Machine-Interface LHMI
98
Activating
signal 1
Activating
signal 2
LED 1
LED 2
Automatic
reset
Manual
reset
IEC01000240 V2 EN-US
Figure 24: Operating sequence 6 (LatchedReset-S), two different disturbances
Figure 25 shows the timing diagram when a new indication appears after the first one
has reset but before tRestart has elapsed.
Disturbance
tRestart
1MRK 511 408-UUS A
Disturbance
tRestart
IEC01000240_2_en.vsd
Phasor measurement unit RES670 2.2 ANSI
Technical manual