Danfoss VLT 2800 Series General Information

Contents
Introduction to VLT 2800
3
Software version 3
High voltage warning 4
These rules concern your safety. 4
Warning against unintended start 4
Installation
6
Mechanical dimensions 6
Mechanical installation 10
General information about electrical installation 11
EMC-correct electrical installation 12
Grounding of shielded/armored control cables 13
Diagram 14
Electrical installation 15
Safety clamp 17
Prefuses 17
AC line connection 17
Motor connection 18
Direction of motor rotation 19
Motor thermal protection 19
Parallel connection of motors 19
Motor cables 19
Brake connection 20
Ground connection 20
Load sharing 20
Tightening Torque, Power Terminals 21
Calculation of brake resistance 21
Access to control terminals 21
Electrical installation, control circuitry 21
Tightening torques, control cables 22
Electrical installation, control terminals 22
Relay connection 23
VLT Software Dialog 23
Connection examples 24
Control unit 26
Manual initialization 26
Automatic motor tuning 27
Display readout 29
Hand Auto 29
Warnings/alarms 30
Special conditions 31
Temperature-related switching frequency 31
Derating for long motor cables 31
VLT
®
2800 Series
MG.27.A2.22 - VLT
®
is a registered Danfoss trademark 1

Danfoss VLT 2800 Series Specifications

General

Brand	Danfoss
Model	VLT 2800 Series
Category	DC Drives
Language	English