ABB 615 series Technical Manual page 84

Section 3
Basic functions
78
Activating
signal
LED
GUID-952BD571-874A-4572-8710-F0E879678552 V1 EN
Figure 15: Operating sequence "Follow-S"
"Follow-F": Follow Signal, Flashing
Similar to "Follow-S", but instead the LED is flashing when the input is active, Non-
latched.
"Latched-S": Latched, ON
This mode is a latched function. At the activation of the input signal, the alarm shows a
steady light. After acknowledgement by the local operator pressing any key on the
keypad, the alarm disappears.
Activating
signal
LED
Acknow.
GUID-055146B3-780B-43E6-9E06-9FD8D342E881 V1 EN
Figure 16: Operating sequence "Latched-S"
"LatchedAck-F-S": Latched, Flashing-ON
This mode is a latched function. At the activation of the input signal, the alarm starts
flashing. After acknowledgement, the alarm disappears if the signal is not present and
gives a steady light if the signal is present.
1MAC059074-MB A
615 series ANSI
Technical Manual