Danfoss VLT AutomationDrive Design Guide

8.4.4 F-Frame Mains Contactors 205
8.5 Additional Motor Information
206
8.5.1 Motor Cable 206
8.5.2 Motor Thermal Protection 206
8.5.3 Parallel Connection of Motors 206
8.5.5 Motor Bearing Currents 208
8.6 Control Cables and Terminals
209
8.6.1 Access to Control Terminals 209
8.6.2 Control Cable Routing 209
8.6.3 Control Terminals 210
8.6.4 Switches S201, S202, and S801 211
8.6.5 Electrical Installation, Control Terminals 211
8.6.6 Basic Wiring Example 212
8.6.7 Electrical Installation, Control Cables 213
8.6.8 12-Pulse Control Cables 215
8.6.9 Relay Output 218
8.6.10 Brake Resistor Temperature Switch 218
8.7 Additional Connections
218
8.7.1 DC Bus Connection 218
8.7.2 Load Sharing 218
8.7.3 Installation of Brake Cable 219
8.7.4 How to Connect a PC to the Frequency Converter 219
8.7.5 The FC 300 PC Software 219
8.8.1 High Voltage Test 220
8.8.2 Earthing 220
8.8.3 Safety Earth Connection 220
8.9 EMC-correct Installation
220
8.9.1 Electrical Installation - EMC Precautions 220
8.9.2 Use of EMC-Correct Cables 222
8.9.3 Earthing of Screened Control Cables 224
8.9.4 RFI Switch 224
8.10.1 Mains Supply Interference/Harmonics 225
8.10.2 The Effect of Harmonics in a Power Distribution System 225
8.10.3 Harmonic Limitation Standards and Requirements 226
8.10.4 Harmonic Mitigation 226
8.10.5 Harmonic Calculation 226
8.11 Residual Current Device - FC 300 DG
226
8.12 Final Setup and Test
227
9 Application Examples
228
9.1.1 Encoder Connection 233
Contents FC 300 Design Guide
4 MG.33.BD.02 - VLT
®
is a registered Danfoss trademark

Danfoss VLT AutomationDrive Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive
Category	DC Drives
Language	English