Section 1 Introduction; This Manual; Intended Audience - ABB RELION 620 Series Technical Manual

1MRS757644 F
Section 1
1.1
1.2
620 series
Technical Manual
Introduction

This manual

The technical manual contains application and functionality descriptions and lists
function blocks, logic diagrams, input and output signals, setting parameters and
technical data sorted per function. The manual can be used as a technical reference
during the engineering phase, installation and commissioning phase, and during
normal service.

Intended audience

This manual addresses system engineers and installation and commissioning
personnel, who use technical data during engineering, installation and
commissioning, and in normal service.
The system engineer must have a thorough knowledge of protection systems,
protection equipment, protection functions and the configured functional logic in the
protection relays. The installation and commissioning personnel must have a basic
knowledge in handling electronic equipment.
Section 1
Introduction
33