5.8.7 CRC Check Field 62
5.8.8 Coil Register Addressing 62
5.8.9 How to Control the Frequency Converter 64
5.8.10 Function Codes Supported by Modbus RTU 64
5.8.11 Modbus Exception Codes 64
5.9 How to Access Parameters
64
5.9.1 Parameter Handling 64
5.9.2 Storage of Data 65
5.9.3 IND (Index) 65
5.9.4 Text Blocks 65
5.9.5 Conversion Factor 65
5.9.6 Parameter Values 65
5.10 Examples
65
5.10.1 Read Coil Status (01 hex) 65
5.10.2 Force/Write Single Coil (05 hex) 66
5.10.3 Force/Write Multiple Coils (0F hex) 66
5.10.4 Read Holding Registers (03 hex) 66
5.10.5 Preset Single Register (06 hex) 67
5.10.6 Preset Multiple Registers (10 hex) 67
5.11 Danfoss FC Control Prole
68
5.11.1 Control Word According to FC Prole (8–10 Protocol = FC Prole) 68
5.11.2 Status Word According to FC Prole (STW) 69
5.11.3 Bus Speed Reference Value 71
6 Type Code and Selection
72
6.1 Ordering Numbers: Options and Accessories
72
6.2 Ordering Numbers: Brake Resistors
73
6.2.1 Ordering Numbers: Brake Resistors 10% 73
6.2.2 Ordering Numbers: Brake Resistors 40% 74
7 Specications
75
7.1 Power-dependent Specications
75
7.2 Mains Supply (3-phase)
76
7.3 Motor Output and Motor Data
77
7.4 Ambient Conditions
77
7.5 Cable Specications
78
7.6 Control Input/Output and Control Data
78
7.7 Connection Tightening Torques
81
7.8 Fuses and Circuit Breakers
81
7.9 Eciency
82
7.10 Acoustic Noise
83
Contents
VLT
®
Midi Drive FC 280
4 Danfoss A/S © 03/2016 All rights reserved. MG07B102