Indication Leds; Introduction - ABB RET670 Applications Manual

1MRK504116-UUS C
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3.3.3
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Application manual
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Indication LEDs

Introduction

The function block LEDGEN controls and supplies information about the status of the
indication LEDs. The input and output signals of LEDGEN are configured with
PCM600. The input signal for each LED is selected individually with the Signal
Matrix Tool in PCM600.
• LEDs (number 1–6) for trip indications are red.
• LEDs (number 7–15) for pickup indications are yellow.
Each indication LED on the local HMI can be set individually to operate in six
different sequences
• Two sequences operate as follow type.
• Four sequences operate as latch type.
• Two of the latching sequence types are intended to be used as a protection
indication system, either in collecting or restarting mode, with reset
functionality.
• Two of the latching sequence types are intended to be used as signaling
system in collecting (coll) mode with an acknowledgment functionality.
The light from the LEDs can be steady (-S) or flashing (-F). See the technical reference
manual for more information.
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Section 3
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