ABB Relion 611 Series - Section 1 Introduction; This Manual; Intended Audience

Section 1 Introduction
1.1 This manual
1.2 Intended audience
This manual addresses system and project engineers involved in the engineering
process of a project, 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 the application, protection
and control equipment and the configured functional logic in the relays. The
installation and commissioning personnel must have a basic knowledge of handling
electronic equipment.
1MRS241255 B Section 1
Introduction
611 series 5
Engineering Manual