Danfoss VLT Midi Drive FC 280 Design Guide

2.5.5 Process Controller Optimization 34
2.5.6 Ziegler Nichols Tuning Method 35
2.6 EMC Emission and Immunity
36
2.6.1 General Aspects of EMC Emission 36
2.6.2 EMC Emission Requirements 37
2.6.3 EMC Immunity Requirements 38
2.7 Galvanic Isolation
39
2.8 Ground Leakage Current
39
2.9 Brake Functions
40
2.9.1 Mechanical Holding Brake 40
2.9.2 Dynamic Braking 41
2.9.3 Brake Resistor Selection 41
2.10 Smart Logic Controller
42
2.11 Extreme Running Conditions
43
2.11.1 Motor Thermal Protection 44
3 Application Examples
45
3.1 Introduction
45
3.1.1 Encoder Connection 45
3.1.2 Encoder Direction 45
3.1.3 Closed-loop Drive System 45
3.2 Application Examples
46
3.2.1 AMA 46
3.2.2 Speed 46
3.2.3 Start/Stop 47
3.2.4 External Alarm Reset 48
3.2.5 Motor Thermistor 48
3.2.6 SLC 48
4 Safe Torque O (STO)
49
4.1 Safety Precautions for STO
50
4.2 Safe Torque O Installation
50
4.3 STO Commissioning
51
4.3.1 Activation of Safe Torque O 51
4.3.2 Deactivation of Safe Torque O 51
4.3.3 STO Commissioning Test 51
4.3.4 Test for STO Applications in Manual Restart Mode 52
4.3.5 Test for STO Applications in Automatic Restart Mode 52
4.4 Maintenance and Service for STO
52
4.5 STO Technical Data
53
Contents
VLT
®
Midi Drive FC 280
2 Danfoss A/S © 03/2016 All rights reserved. MG07B102

Danfoss VLT Midi Drive FC 280 Specifications

General

Brand	Danfoss
Model	VLT Midi Drive FC 280
Category	DC Drives
Language	English