5.5.3 Configuring Process Control Mode 57
5.5.4 Configuring Multi-Speed Control Mode 59
5.5.5 Configuring Wire Control Mode 61
5.5.6 Configuring Torque Control Mode 64
5.6 Reference Handling 66
5.6.1 Local/Remote Reference 66
5.6.2 Reference Limits 68
5.6.3 Scaling of Preset References and Bus References 69
5.6.4 Scaling of Analog and Pulse References and Feedback 69
5.6.5 Dead Band Around Zero 70
6 RS485 Configurations
6.1 RS485 Installation and Set up 73
6.1.1 Introduction 73
6.1.2 Connecting the Drive to the RS485 Network 74
6.1.3 Hardware Setup 74
6.1.4 Parameter Settings for RS485 Communication 74
6.1.5 EMC Precautions 75
6.1.6 FC Protocol 76
6.1.6.1 FC Protocol Overview 76
6.1.6.2 FC Protocol Message Framing Structure 77
6.1.6.3 Examples 82
6.1.7 Modbus RTU 83
6.1.7.1 Modbus RTU Introduction 83
6.1.7.2 Drive with Modbus RTU 84
6.1.7.3 Network Configuration 85
6.1.7.4 Modbus RTU Message Framing Structure 85
6.1.7.5 How to Access Parameters 89
6.1.7.6 Examples 90
6.1.8 Danfoss FC Control Profile 96
6.1.8.1 Control Word According to FC Profile 96
6.1.8.2 Explanation of Control Word Bit 97
6.1.8.3 Status Word According to FC Profile (STW) 99
6.1.8.4 Explanation of Status Word Bit 100
6.1.8.5 Bus Speed Reference Value 102
6.2 How to Control the Drive 103
6.2.1 Introduction 103
6 | Danfoss A/S © 2024.03 AB413939445838en-000301 / 130R1254
Application Guide | iC2-Micro Frequency Converters
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