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Introduction 9
2
Introduction
Contents of this chapter
This chapter introduces this manual.
Intended audience
The manual is intended for the people who are responsible for commissioning and
using the FEN-21. The reader is expected to have a basic knowledge of electrical
fundamentals, electrical wiring practices and how to operate the drive.
Before you start
It is assumed that the drive is installed and the drive power supply is switched off
before starting the installation of the extension module. Ensure that all dangerous
voltages connected from external control circuits to the inputs and outputs of the
drive are switched off.
In addition to conventional installation tools, have the drive manuals available during
the installation as they contain important information not included in this manual.
The drive manuals are referred to at various points of this document.
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