Danfoss VLT AutomationDrive FC 301 Design Guide

12.7.10 Parameter Value (PWE) 180
12.7.11 Supported Data Types 181
12.7.12 Conversion 181
12.7.13 Process Words (PCD) 181
12.8 Examples
181
12.8.1 Writing a Parameter Value 181
12.8.2 Reading a Parameter Value 182
12.9 Modbus RTU Overview
182
12.9.1 Assumptions 182
12.9.2 What the User Should Already Know 182
12.9.3 Modbus RTU Overview 182
12.9.4 Frequency Converter with Modbus RTU 183
12.10 Network Configuration
183
12.11 Modbus RTU Message Framing Structure
183
12.11.1 Frequency Converter with Modbus RTU 183
12.11.2 Modbus RTU Message Structure 183
12.11.3 Start/Stop Field 184
12.11.4 Address Field 184
12.11.5 Function Field 184
12.11.6 Data Field 184
12.11.7 CRC Check Field 184
12.11.8 Coil Register Addressing 184
12.11.9 How to Control the Frequency Converter 186
12.11.10 Function Codes Supported by Modbus RTU 186
12.11.11 Modbus Exception Codes 186
12.12 How to Access Parameters
186
12.12.1 Parameter Handling 186
12.12.2 Storage of Data 187
12.12.3 IND (Index) 187
12.12.4 Text Blocks 187
12.12.5 Conversion Factor 187
12.12.6 Parameter Values 187
12.13 Danfoss FC Control Profile
187
12.13.1 Control Word According to FC Profile (8-10 Control Profile = FC profile) 187
12.13.2 Status Word According to FC Profile (STW) (8-10 Control Profile = FC profile) 189
12.13.3 Bus Speed Reference Value 190
12.13.4 Control Word according to PROFIdrive Profile (CTW) 190
12.13.5 Status Word according to PROFIdrive Profile (STW) 192
Index
194
Contents
VLT
®
AutomationDrive FC 301/FC 302 Design Guide, 0.25-75 kW
MG33BF02 - Rev. 2013-12-20 7

Danfoss VLT AutomationDrive FC 301 Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 301
Category	DC Drives
Language	English