ABB 615 series Technical Manual page 82

Section 3
Basic functions
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Figure 12: Programmable LEDs on the right side of the display
All the programmable LEDs in the HMI of the protection relay have two colors, green and
red. For each LED, the different colors are individually controllable.
Each LED has two control inputs, ALARM and OK. The color setting is common for all the
LEDs. It is controlled with the Alarm colour setting, the default value being "Red". The OK
input corresponds to the color that is available, with the default value being "Green".
Changing the Alarm colour setting to "Green" changes the color behavior of the OK inputs
to red.
The ALARM input has a higher priority than the OK input.
Each LED is seen in the Application Configuration tool as an individual function block.
Each LED has user-editable description text for event description. The state ("None",
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615 series ANSI
Technical Manual