ABB RELION SMU615 Technical Manual page 46

Basic functions
The menu structure for the programmable LEDs is presented in
common color selection setting
menu, while the LED-specific settings are under the LED-specific menu nodes.
Programmable LEDs
Figure 14: Menu structure
Alarm mode alternatives
The ALARM input behavior can be selected with the alarm mode settings from the
alternatives "Follow-S", "Follow-F", "Latched-S" and "LatchedAck-F-S". The OK input
behavior is always according to "Follow-S". The alarm input latched modes can be
cleared with the reset input in the application logic.
Figure 15: Symbols used in the sequence diagrams
"Follow-S": Follow Signal, ON
In this mode ALARM follows the input signal value, Non-latched.
Activating
signal
LED
Figure 16: 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.
46
Alarm colour for all ALARM inputs is in the General
General Alarm color
LED 1
Alarm mode
LED 2
Description
1MRS758407 C
Figure 14
Red
Green
Follow-S
Follow-F
Latched-S
LatchedAck-F-S
Programmable LED description
Technical Manual
. The
SMU615