Vacon 100 HVAC - Default Chapter; Table of Contents

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Table of Contents
Document: DPD00156C
Version release date: 5.2.16
1. Safety................................................................................................................2
1.1 Danger.................................................................................................................................2
1.2 Warnings .............................................................................................................................3
1.3 Earthing and earth fault protection....................................................................................4
2. Modbus - general info.......................................................................................5
3. Modbus technical data ......................................................................................7
3.1 Modbus RTU protocol .........................................................................................................7
3.2 Modbus TCP protocol..........................................................................................................7
3.3 Cable length ........................................................................................................................7
4. Installation........................................................................................................8
4.1 Installation in Vacon® 100..................................................................................................8
4.1.1 Prepare for use through ethernet ......................................................................................9
4.1.2 Prepare for use through RS485........................................................................................11
4.2 Installation in Vacon® 100 X.............................................................................................15
4.2.1 Prepare for use through Ethernet....................................................................................15
4.2.2 Prepare for use through RS485........................................................................................16
5. Programming..................................................................................................18
5.1 Modbus RS-485 parameters and monitoring values .......................................................19
5.2 Modbus TCP parameters and monitoring values.............................................................20
5.2.1 Ethernet common settings ...............................................................................................20
5.2.2 Modbus TCP settings ........................................................................................................20
5.3 Modbus RTU parameter descriptions...............................................................................22
5.3.1 Modbus RTU Parameters..................................................................................................22
5.3.2 Modbus RTU monitoring values........................................................................................22
5.4 Modbus TCP parameter descriptions...............................................................................25
5.4.1 Ethernet common settings ...............................................................................................25
5.4.2 Modbus TCP settings ........................................................................................................25
5.4.3 Modbus TCP monitoring values........................................................................................26
6. Communications .............................................................................................28
6.1 Data addresses in Modbus messages ..............................................................................28
6.2 Supported Modbus Functions...........................................................................................28
6.3 Modbus data mapping.......................................................................................................30
6.3.1 Coils registers...................................................................................................................30
6.3.2 Discrete inputs ..................................................................................................................30
6.3.3 Holding registers and input registers ..............................................................................30
6.4 Example messages ...........................................................................................................40
7. Fault tracing ...................................................................................................45
7.1 Typical fault conditions .....................................................................................................45
7.2 RS-485 bus biasing ...........................................................................................................45
7.3 Other fault conditions .......................................................................................................46
8. Quick setup .....................................................................................................48
9. Annex..............................................................................................................49