Danfoss VLT Flow Drive FC 111 Design Guide

8.6.2
8.6.3
8.7
8.8
8.8.1
8.8.2
8.8.3
8.8.4
8.8.5
8.8.6
8.8.7
8.8.8
8.8.8.1
8.8.8.2
8.8.8.3
8.8.8.4
8.8.8.5
8.8.9
8.8.10
8.8.10.1
8.8.10.2
8.8.10.3
8.9
8.9.1
8.9.2
8.9.3
8.9.4
8.9.5
8.9.6
8.10
8.10.1
8.10.2
8.10.3
8.10.4
8.10.5
8.10.6
8.10.7
8.10.8
Modbus RTU Overview 111
Drive with Modbus RTU 111
Network Configuration 112
Modbus RTU Message Framing Structure 112
Modbus RTU Message Byte Format 112
Modbus RTU Telegram Structure 113
Start/Stop Field 113
Address Field 113
Function Field 113
Data Field 113
CRC Check Field 113
Coil Register Addressing 114
Introduction 114
Coil Register 114
Drive Control Word (FC Profile) 114
Drive Status Word (FC Profile) 115
Address/Registers 115
Access via PCD Write/read 116
How to Control the Drive 117
Introduction 117
Function Codes Supported by Modbus RTU 117
Modbus Exception Codes 118
How to Access Parameters 118
Parameter Handling 118
Storage of Data 118
IND (Index) 119
Text Blocks 119
Conversion Factor 119
Parameter Values 119
Examples 119
Introduction 119
Read Coil Status (01 hex) 119
Force/Write Single Coil (05 hex) 120
Force/Write Multiple Coils (0F hex) 121
Read Holding Registers (03 hex) 122
Preset Single Register (06 hex) 122
Preset Multiple Registers (10 hex) 123
Read/Write Multiple Registers (17 hex) 124
AJ363928382091en-000101/130R09838 | Danfoss A/S © 2021.04
Contents
VLT® Flow Drive FC 111
Design Guide

Danfoss VLT Flow Drive FC 111 Specifications

General

Brand	Danfoss
Model	VLT Flow Drive FC 111
Category	DC Drives
Language	English