Danfoss FC 102 Design Guide

8.4.2 Telegram Structure 132
8.4.3 Telegram Length (LGE) 132
8.4.4 Frequency Converter Address (ADR) 132
8.4.5 Data Control Byte (BCC) 133
8.4.6 The Data Field 133
8.4.7 The PKE Field 134
8.4.8 Parameter Number (PNU) 134
8.4.9 Index (IND) 134
8.4.10 Parameter Value (PWE) 134
8.4.11 Data Types Supported by the Frequency Converter 135
8.4.12 Conversion 135
8.4.13 Process Words (PCD) 135
8.5 Examples
135
8.5.1 Writing a Parameter Value 135
8.5.2 Reading a Parameter Value 136
8.6 Modbus RTU Overview
136
8.6.1 Assumptions 136
8.6.2 What the User Should Already Know 136
8.6.3 Modbus RTU Overview 136
8.6.4 Frequency Converter with Modbus RTU 137
8.7 Network Configuration
137
8.8 Modbus RTU Message Framing Structure
137
8.8.1 Frequency Converter with Modbus RTU 137
8.8.2 Modbus RTU Message Structure 137
8.8.3 Start/Stop Field 138
8.8.4 Address Field 138
8.8.5 Function Field 138
8.8.6 Data Field 138
8.8.7 CRC Check Field 138
8.8.8 Coil Register Addressing 138
8.8.9 How to Control the Frequency Converter 140
8.8.10 Function Codes Supported by Modbus RTU 140
8.8.11 Modbus Exception Codes 140
8.9 How to Access Parameters
140
8.9.1 Parameter Handling 140
8.9.2 Storage of Data 141
8.9.3 IND 141
8.9.4 Text Blocks 141
8.9.5 Conversion Factor 141
8.9.6 Parameter Values 141
Contents Design Guide
4 Danfoss A/S © Rev. 06/2014 All rights reserved. MG11BC02

Danfoss FC 102 Specifications

General

Brand	Danfoss
Model	FC 102
Category	DC Drives
Language	English