Danfoss VLT FC 360, Design Manual, Page: 5 / 82

3.7 Network Configuration 48
3.8 Modbus RTU Message Framing Structure 48
3.8.1 Frequency Converter with Modbus RTU 48
3.8.2 Modbus RTU Message Structure 48
3.8.3 Start/Stop Field 49
3.8.4 Address Field 49
3.8.5 Function Field 49
3.8.6 Data Field 49
3.8.7 CRC Check Field 49
3.8.8 Coil Register Addressing 49
3.8.9 How to Control the Frequency Converter 52
3.8.10 Function Codes Supported by Modbus RTU 52
3.8.11 Modbus Exception Codes 52
3.9 How to Access Parameters
52
3.9.1 Parameter Handling 52
3.9.2 Storage of Data 53
3.9.3 IND 53
3.9.4 Text Blocks 53
3.9.5 Conversion Factor 53
3.9.6 Parameter Values 53
3.10 Examples 53
3.10.1 Read Coil Status (01 HEX) 53
3.10.2 Force/Write Single Coil (05 HEX) 54
3.10.3 Force/Write Multiple Coils (0F HEX) 54
3.10.4 Read Holding Registers (03 HEX) 54
3.10.5 Preset Single Register (06 HEX) 55
3.10.6 Preset Multiple Registers (10 HEX) 55
3.11 Danfoss FC Control Profile
56
3.11.1 Control Word According to FC Profile (8-10 Protocol = FC profile) 56
3.11.2 Status Word According to FC Profile (STW) ( 8-30 Protocol = FC profile) 57
3.11.3 Bus Speed Reference Value 58
4 Application Examples
59
4.1 Introduction
59
4.1.1 Encoder Connection 62
4.1.2 Encoder Direction 62
4.1.3 Closed Loop Drive System 62
5 Type Code and Selection
63
5.1 Ordering from FC 360 Series
63
5.1.1 Drive Configurator 64
Contents
VLT
®
AutomationDrive FC 360 Design Guide
MG06B202 - VLT
®
is a registered Danfoss trademark 3