ABB REL 551 2.3 Series Installation And Comissioning Manual page 121

Line differential protection terminal
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Setting group selector (GRP)
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Prepare the terminal for verification of settings as outlined in section "Preparing for
test" in this chapter.
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The ActiveGroup menu is located in the local HMI under:
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The displayed information must always correspond to the activat-
ed input.

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115

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