ABB Relion SMU615 Technical Manual page 46

Section 3
Basic functions
40
The LED status also provides a means for resetting the individual LED via
communication. The LED can also be reset from configuration with the RESET input.
The resetting and clearing function for all LEDs is under the Clear menu.
The menu structure for the programmable LEDs is presented in
common color selection setting Alarm colour for all ALARM inputs is in the General
menu, while the LED-specific settings are under the LED-specific menu nodes.
Programmable LEDs
GUID-0DED5640-4F67-4112-9A54-E8CAADFFE547 V1 EN
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.
GUID-58B6C3F2-873A-4B13-9834-9BB21FCA5704 V1 EN
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
GUID-952BD571-874A-4572-8710-F0E879678552 V1 EN
Figure 16: Operating sequence "Follow-S"
General Alarm color
LED 1
Alarm mode
LED 2
Description
1MRS758407 B
Figure 14. The
Red
Green
Follow-S
Follow-F
Latched-S
LatchedAck-F-S
Programmable LED description
Technical Manual
SMU615