
12.8.1 Writing a Parameter Value
12.8.2 Reading a Parameter Value
12.9.2 What the User Should Already Know
12.9.4 Frequency Converter with Modbus RTU
12.11 Modbus RTU Message Framing Structure
12.11.1 Frequency Converter with Modbus RTU
12.11.2 Modbus RTU Message Structure
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 How to Access Parameters
12.13 Danfoss FC Control Profile
12.13.1 Control Word According to FC Profile (
12.13.2 Status Word According to FC Profile (STW) (
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)
Contents
VLT
®
AutomationDrive FC 301/FC 302 Design Guide, 0.25-75 kW
MG33BF02 - Rev. 2013-12-20
7