Danfoss VLT FC51 Design Manual page 6

Contents
8.5 Examples
8.6 Modbus RTU Overview
8.7 Network Configuration
8.8 Modbus RTU Message Framing Structure
8.9 How to Access Parameters
8.10 Examples
8.11 FC Drive Control Profile
9 Specifications
Index
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VLT Micro Drive FC 51 Design Guide
8.4.12 Conversion
8.6.1 Assumptions
8.6.2 What the User Should Already Know
8.6.3 Modbus RTU Overview
8.6.4 Frequency Converter with Modbus RTU
8.8.1 Frequency Converter with Modbus RTU
8.8.2 Modbus RTU Message Structure
8.8.3 Start/Stop Field
8.8.4 Address Field
8.8.6 Data Field
8.8.7 CRC Check Field
8.8.8 Coil Register Addressing
8.8.9 How to Control the Frequency Converter
8.8.10 Function Codes Supported by Modbus RTU
8.8.11 Modbus Exception Codes
8.9.1 Parameter Handling
8.9.2 Storage of Data
8.9.3 IND (Index)
8.9.4 Text Blocks
8.9.6 Parameter Values
8.10.1 Read Coil Status (01 hex)
8.10.2 Force/Write Single Coil (05 hex)
8.10.3 Force/Write Multiple Coils (0F hex)
8.10.4 Read Holding Registers (03 hex)
8.10.5 Preset Single Register (06 hex)
8.10.6 Preset Multiple Registers (10 hex)
8.11.1 Control Word According to FC Profile (8-10 Protocol = FC profile)
8.11.2 Status Word According to FC Profile (STW) (8-30 Protocol = FC profile)
8.11.3 Bus Speed Reference Value
MG02K302 - Rev. 2013-12-03
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