Danfoss VLT HVAC Basic Drive FC 101 Design Manual page 3

Contents
5.2.4 Fuses
5.2.5 EMC-Correct Electrical Installation
5.2.6 Control Terminals
6 How to Programme
6.1 Programming with MCT 10 Setup Software
6.2 Local Control Panel (LCP)
6.3 Menus
6.3.1 Status
6.3.2 Quick Menu
6.3.3 Start-up Wizard for Open Loop Applications
6.3.4 Main Menu
6.4 Quick Transfer of Parameter Settings between Multiple Frequency Converters
6.5 Read-out and Programming of Indexed Parameters
6.6 Initialise the Frequency Converter to Default Settings in two Ways
7 RS-485 Installation and Set-up
7.1.1 Overview
7.2 FC Protocol Overview
7.3 Network Configuration
7.4 FC Protocol Message Framing Structure
7.4.1 Content of a Character (byte)
7.4.2 Telegram Structure
7.4.3 Telegram Length (LGE)
7.4.6 The Data Field
7.4.13 Process Words (PCD)
7.5 Examples
7.6 Modbus RTU Overview
7.6.1 Assumptions
7.6.2 What the User Should Already Know
7.6.3 Modbus RTU Overview
7.6.4 Frequency Converter with Modbus RTU
7.7 Network Configuration
7.8 Modbus RTU Message Framing Structure
7.8.1 Frequency Converter with Modbus RTU
7.8.2 Modbus RTU Message Structure
7.8.3 Start/Stop Field
7.8.4 Address Field
7.8.5 Function Field
7.8.6 Data Field
7.8.7 CRC Check Field
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VLT HVAC Basic Drive Design Guide
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MG18C402 - VLT is a registered Danfoss trademark
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