
ETL600 1KHW001489-EN
ABB Switzerland Ltd
Contents
INTRODUCTION................................................................................1-1
Using the manual .............................................................................1-1
Application of the ETL600 ...............................................................1-1
Requirements to be met by the operator .......................................1-2
Requirements to be met by the service personnel .......................1-2
Guarantee provisions ......................................................................1-2
SAFETY INSTRUCTIONS .................................................................2-1
Safety information............................................................................2-1
In this instruction manual ...................................................................2-1
On the equipment...............................................................................2-1
Basic principles................................................................................2-2
General instructions ........................................................................2-2
Product-specific instructions .........................................................2-2
STRUCTURE AND FUNCTION.........................................................3-1
APLC and DPLC services ..................................................................3-3
Frequency allocation in AF channels .................................................3-7
System architecture.......................................................................3-11
Digital signal processing ..................................................................3-16
Analog signal processing .................................................................3-16
Module description ........................................................................3-18
AF interface O4LE............................................................................3-18
Teleprotection interface G4AI ..........................................................3-20
Solid state outputs............................................................................3-21
RF-Converter P4LT..........................................................................3-23
Frontplate P4LT ...............................................................................3-24
RF-Converter P4LU .........................................................................3-25
Frontplate P4LU ...............................................................................3-26
Alarm relay module R1BC................................................................3-27
Contents November
2005
I
Summary of Contents for ETL600
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