Danfoss VLT AutomationDrive FC 301 Design Manual page 9

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