Danfoss VLT Flow Drive FC 111 Design Guide

3.1.6
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
3.3
3.3.1
3.3.2
3.3.2.1
3.3.2.2
3.3.3
3.4
3.4.1
3.4.2
3.4.3
3.4.4
3.4.4.1
3.4.4.2
3.4.5
3.4.6
3.4.7
3.5
3.6
3.6.1
3.7
3.7.1
3.7.2
3.7.3
3.7.3.1
3.7.3.2
Time-based Functions 26
Control Structures 26
Introduction 26
Control Structure Open Loop 27
PM/EC+ Motor Control 27
Local (Hand On) and Remote (Auto On) Control 27
Control Structure Closed Loop 28
Feedback Conversion 28
Reference Handling 28
Tuning the Drive Closed-loop 29
Adjusting the Manual PI 29
Ambient Running Conditions 30
Air Humidity 30
Acoustic Noise or Vibration 30
Acoustic Noise 30
Vibration and Shock 31
Aggressive Environments 31
General Aspects of EMC 31
Overview of EMC Emissions 31
Emission Requirements 32
EMC Emission Test Results 33
Harmonics Emission 34
Harmonics Emission Requirements 34
Harmonics Test Results (Emission) 35
Harmonics Emission Requirements 34
Harmonics Test Results (Emission) 36
Immunity Requirements 37
Galvanic Isolation (PELV) 37
Ground Leakage Current 38
Using a Residual Current Device (RCD) 40
Extreme Running Conditions 41
Introduction 41
Motor Thermal Protection (ETR) 42
Thermistor Inputs 42
Example with Digital Input and 10 V Power Supply 43
Example with Analog Input and 10 V Power Supply 43
AJ363928382091en-000101/130R09834 | Danfoss A/S © 2021.04
Contents
VLT® Flow Drive FC 111
Design Guide

Danfoss VLT Flow Drive FC 111 Specifications

General

Brand	Danfoss
Model	VLT Flow Drive FC 111
Category	DC Drives
Language	English