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Introduction to the technical reference manual Chapter 1
Introduction
1.3 Intended audience
1.3.1 General
This manual addresses system engi
neers, installation and commissioning personnel, who use
technical data during engineering , installation and commissioning, and in normal service.
1.3.2 Requirements
The system engineer must have a thorough knowledge of
protection systems, protection equip-
ment, protection functions and the configured functional logics in the protective devices. The
installation and commissioning personnel must have a basic knowledge in the handling electron-
ic equipment.
1.4 Related documents
1.5 Revision notes
1.6 Acronyms and abbreviations
Documents related to REL 551-C1*2.5 Identity number
Operator's manual 1MRK 506 206-UEN
Installation and commissioning manual 1MRK 506 208-UEN
Technical reference manual 1MRK 506 207-UEN
Application manual 1MRK 506 209-UEN
Buyer's guide 1MRK 506 205-BEN
Revision Description
C
CTSU Technical data updated
AC Alternating Current
ACrv2 Setting A for programmable overvoltage IDMT curve, step 2
A/D converter Analog to Digital converter
ADBS Amplitude dead-band supervision
AIM Analog input module
ANSI American National Standards Institute
ASCT Auxiliary summation current transformer
ASD Adaptive Signal Detection
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