ABB RELION 620 Series Technical Manual page 77

1MAC504801-IB E
620 series ANSI
Technical Manual
Programmable LEDs
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Figure 15: Menu structure
Alarm mode alternatives
The different alternatives for Alarm mode are "Follow-S", "Follow-F", "Latched-S" and
"LatchedAck-F-S".
The Alarm mode setting applies only to the alarm-colored LED, which is
red by default. When the LED color is of the OK input, it acts according to
the "Follow-S" mode.
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Figure 16: 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
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Figure 17: Operating sequence "Follow-S"
General Alarm color
LED 1
Alarm mode
LED 2
Description
Section 3
Basic functions
Red
Green
Follow-S
Follow-F
Latched-S
LatchedAck-F-S
Programmable LED description
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