Danfoss VLT FC 360 User Manual

2.6.3 Immunity Requirements 34
2.7 Galvanic Isolation (PELV)
35
2.7.1 PELV - Protective Extra Low Voltage 35
2.8 Earth Leakage Current
35
2.9 Brake Functions
37
2.9.1 Mechanical Holding Brake 37
2.9.2 Dynamic Braking 37
2.9.3 Selection of Brake Resistor 37
2.10 Smart Logic Controller
39
2.11 Extreme Running Conditions
39
2.11.1 Motor Thermal Protection 40
3 RS-485 Installation and Set-up
41
3.1 Introduction
41
3.1.1 Overview 41
3.1.2 Network Connection 41
3.1.3 Frequency Converter Hardware Set-up 41
3.1.4 Frequency Converter Parameter Settings for Modbus Communication 41
3.1.5 EMC Precautions 42
3.2 FC Protocol Overview
42
3.3 Network Configuration
42
3.4 FC Protocol Message Framing Structure
42
3.4.1 Content of a Character (byte) 42
3.4.2 Telegram Structure 43
3.4.3 Telegram Length (LGE) 43
3.4.4 Frequency Converter Address (ADR) 43
3.4.5 Data Control Byte (BCC) 43
3.4.6 The Data Field 44
3.4.7 The PKE Field 44
3.4.8 Parameter Number (PNU) 45
3.4.9 Index (IND) 45
3.4.10 Parameter Value (PWE) 45
3.4.11 Data Types Supported by the Frequency Converter 46
3.4.12 Conversion 46
3.4.13 Process Words (PCD) 46
3.5 Examples
46
3.6 Modbus RTU Overview
47
3.6.1 Assumptions 47
3.6.2 What the User Should Already Know 47
3.6.3 Modbus RTU Overview 47
3.6.4 Frequency Converter with Modbus RTU 48
Contents
VLT
®
AutomationDrive FC 360 Design Guide
2 MG06B202 - VLT
®
is a registered Danfoss trademark

Danfoss VLT FC 360 Specifications

General

Brand	Danfoss
Model	VLT FC 360
Category	DC Drives
Language	English