Signals - ABB Relion SMU615 Technical Manual

1MRS758407 B
3.3.3
SMU615
Technical Manual
"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 17: 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.
Activating
signal
LED
Acknow.
GUID-1B1414BD-2535-40FA-9642-8FBA4D19BA4A V1 EN
Figure 18: Operating sequence "LatchedAck-F-S"

Signals

Table 20: Input signals
Name Type
OK BOOLEAN
ALARM BOOLEAN
RESET BOOLEAN
Table continues on next page
Default Description
0=False Ok input for LED 1
0=False Alarm input for LED 1
0=False Reset input for LED 1
Section 3
Basic functions
41