ABB REL650 series Technical Manual page 89

1MRK 506 335-UUS A
Technical manual
Activating
signal GREEN
Activating
signal YELLOW
Activating
signal RED
LED
Acknow.
IEC09000314 V1 EN
Figure 18: Operating sequence 3, three colors involved, alternative 1
If an indication with higher priority appears after acknowledgment of a lower priority
indication the high priority indication will be shown as not acknowledged according to
Figure 19.
Activating
signal GREEN
Activating
signal YELLOW
Activating
signal RED
LED
Acknow.
IEC09000315 V1 EN
Figure 19: Operating sequence 3, three colors involved, alternative 2
Sequence 4 (LatchedAck-S-F)
This sequence has the same functionality as sequence 3, but steady and flashing light have
been alternated.
Sequence 5 LatchedColl-S
This sequence has a latched function and works in collecting mode. At the activation of
the input signal, the indication will light up with a steady light. The difference to sequence
Local Human-Machine-Interface LHMI
Y R
G R
G
G R R
Section 5
Y
IEC09000314-1-en.vsd
Y
IEC09000315-1-en.vsd
83