Danfoss VLT HVAC Drive FC 102 Design Manual page 7

Contents
7 Installation and Set-up
7.1 Installation and Set-up
7.2 FC Protocol Overview
7.3 Network Configuration
7.4 FC Protocol Message Framing Structure
7.5 Examples
7.6 Modbus RTU Overview
7.7 Network Configuration
MG16C202
Design Guide
6.1.6 Smart Logic Control Programming
6.1.7 SLC Application Example
6.1.8 BASIC Cascade Controller
6.1.9 Pump Staging with Lead Pump Alternation
6.1.10 System Status and Operation
6.1.11 Fixed Variable Speed Pump Wiring Diagram
6.1.12 Lead Pump Alternation Wiring Diagram
6.1.13 Cascade Controller Wiring Diagram
6.1.14 Start/Stop Conditions
7.1.1 Network Connection
7.1.2 Frequency Converter Hardware Setup
7.1.3 Frequency Converter Parameter Settings for Modbus Communication
7.1.4 EMC Precautions
7.4.1 Content of a Character (byte)
7.4.2 Telegram Structure
7.4.3 Telegram Length (LGE)
7.4.4 Frequency Converter Address (ADR)
7.4.5 Data Control Byte (BCC)
7.4.6 The Data Field
7.4.7 The PKE Field
7.4.8 Parameter Number (PNU)
7.4.9 Index (IND)
7.4.10 Parameter Value (PWE)
7.4.11 Data Types Supported by the Frequency Converter
7.4.12 Conversion
7.4.13 Process Words (PCD)
7.5.1 Writing a Parameter Value
7.5.2 Reading a Parameter Value
7.6.1 Assumptions
7.6.2 Prerequisite Knowledge
7.6.3 Modbus RTU Overview
7.6.4 Frequency Converter with Modbus RTU
Danfoss A/S © Rev. 05/2014 All rights reserved.
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