ABB REX 521 Technical Reference Manual, Standard Configurations page 10

REX 521
10
Protection Relay
Technical Reference Manual, Standard Configurations
11.6.4.2.Indication and control connections .................. 198
11.6.5.Implementations ............................................................ 199
11.6.5.1.Disturbance recorder ....................................... 199
11.6.5.2.Power quality ................................................... 199
12.Symbol notations ................................................................ 201
13.References ........................................................................... 203
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Version C/14.8.2002:
- changes in chapters: "Introduction", "Local/Remote", "3I2f>", "Transformer inrush", "Default set-
tings", "3I>, 3I>> and 3I>>>", "Symbol notations"
- new chapters: "HW version: High", "3I>-> and 3I>>->", "3U> and 3U>>", "3U< and 3U<<", "Uo>,
Uo>> and Uo>>>", "f1 and f2", "SYNC1", "3U", "f", "PQE", "MCS 3U", "PQ 3Unf", "Application
examples: High"
1MRS 751802-MUM