2vacon • 6 Modbus - general infoLocal contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/Figure 2.Principal example diagram of Modbus2.1 RestrictionsWhen a fieldbus option board or an OPTBH option board has been installed, Modbus is not working.EthernetModbus TCPModbus RTUModbusRTUmasterSwitch11781_uk

Safety

Warnings

Earthing and earth fault protection

Modbus - general info

Restrictions

Modbus technical data

Installation

Fieldbus parametrization

Fieldbus protocol

Parity type

Communications

Modbus data mapping

Example messages

Example 2 - Read process data

Fault tracing

Other fault conditions

Quick setup

APPENDIX 1 - PROCESS DATA

Vacon 20 User Manual

Safety instructions

Before running the motor

Receipt of delivery

Maintenance

Warranty

Manufacturer's declaration of conformity

Vacon 20 dimensions

Cooling

Power losses

EMC levels

Changing the EMC protection class from C2 or C3 to C4

Cabling and connections

Control cabling

Allowed option boards in Vacon20

Screw of cables

Cable and fuse specifications

General cabling rules

Stripping lengths of motor and mains cables

Commissioning

Vacon 20 Application Interface

Control I / O

Control panel

Keypad

Navigation on the Vacon 20 control panel

Reference menu

Monitoring menu

Parameter menu

System menu

STANDARD application parameters

Motor settings (Control panel: Menu PAR -> P1)

Start / stop setup (Control panel: Menu PAR -> P2)

Frequency references (Control panel: Menu PAR -> P3)

Ramps and brakes setup (Control panel: Menu PAR -> P4)

Digital inputs (Control panel: Menu PAR -> P5)

Analogue inputs (Control panel: Menu PAR -> P6)

Digital outputs (Control panel: Menu PAR -> P8)

Analogue outputs (Control panel: Menu PAR -> P9)

Fieldbus Data-Mapping (Control panel: Menu PAR -> P10)

Prohibited Frequencies (Control panel: Menu PAR -> P11)

Limit Supervisions (Control panel: Menu PAR -> P12)

Protections (Control panel: Menu PAR -> P13)

Fault autoreset parameters (Control panel: Menu PAR -> P14)

Motor Pre-heat (Control panel: Menu PAR -> P16)

System parameters

Parameter descriptions

Ramps & brakes setup (Control panel: Menu PAR -> P4)

Pulse train / Encoder (Control panel: Menu PAR -> P7)

Protections (Control panel:Menu Par->P13)

Automatic reset (Control panel: Menu PAR -> P14)

PID control parameters (Control panel: Menu PAR -> P15)

Application setting (Control panel: Menu PAR->P17)

System parameter

Modbus RTU

Modbus process data

Technical data

Power ratings

Vacon 20 – Mains voltage 115 V

Vacon 20 – Mains voltage 575 V

Vacon 20 – Mains voltage 600 V

20 CP

20 x


Contents Table Of Contents Safety Warnings Earthing and earth fault protection Modbus - general info Restrictions Modbus technical data Installation Fieldbus parametrization Fieldbus protocol Parity type Communications Modbus data mapping Example messages Example 2 - Read process data Fault tracing Other fault conditions Quick setup APPENDIX 1 - PROCESS DATA	2vacon • 6 Modbus - general infoLocal contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/Figure 2.Principal example diagram of Modbus2.1 RestrictionsWhen a fieldbus option board or an OPTBH option board has been installed, Modbus is not working.EthernetModbus TCPModbus RTUModbusRTUmasterSwitch11781_uk Previous Next / 28