Beijer-electronics AN-BEI-E2-038 Instrukcja Użytkownika Pobierz pdf

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12

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AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping

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BFIApplicationsSupportLibrary

ApplicationNote AN‐BEI‐E2‐038

Title ModbusRTUControlandRegisterMapping

RelatedProducts BeijerFrequencyInverterE2

Level

3

1–Fundamental‐Nopreviousexperiencenecessary

2–Basic–SomeBasicdrivesknowledgerecommended

3–Advanced–SomeBasicdrivesknowledgerequired

4–Expert–Goodexperienceintopicofsubjectmatterrecommended

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Overview:

Beijer Frequency Inverter E2 drives support Modbus RTUcommunications, allowing a network of drives to be controlled and 

monitoredbyanyModbusRTUcapablePLCorcontrolsystem.TheBeijerFrequencyInverterE2isalwaysaSlavetoanexternal

ModbusRTUMaster.Thisdocumentdescribestheregistersandfunctionsavailable.

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ModbusRTUProtocolSpecification:

Protocol ModbusRTU

Errorcheck CRC

Baudrate 9600bps,19200bps,38400bps,57600bps,115200bps(default)

Dataformat 1startbit,8databits,1stopbits,noparity.

Physicalsignal RS485(2‐wire)

Userinterface RJ11

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ModbusTelegramStructure:

ThefollowingModbusCommandsaresupported

• 03ReadHoldingRegisters

• 06WriteSingleHoldingRegister

commands.Thetelegramstructureisasfollows:‐

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Command03–ReadHoldingRegisters Command06– WriteSingleHoldingRegister

MasterTelegram Length  SlaveResponse Length MasterTelegram Length  SlaveResponse Length

SlaveAddress 1 Byte  SlaveAddress 1 Byte SlaveAddress 1 Byte  SlaveAddress 1 Byte

FunctionCode(03) 1 Byte  StartingAddress 1 Byte FunctionCode(06) 1 Byte  FunctionCode(06) 1 Byte

RegisterAddress 2 Bytes  1

No.OfRegisters 2 Bytes  2

CRCChecksum 2 Bytes  Etc... CRCChecksum 2 BytesCRCChecksum 2 Bytes

 CRCChecksum 2 Bytes 

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Podsumowanie treści

Strona 1

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping1BFIApplicationsSupportLibraryApplicati

Strona 2

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping10AppendixA‐RegisterChangesforSinglePha

Strona 3 - MemoryMap:

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping11Appendix:RevisionHistoryVersion Comments

Strona 4

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping2RJ45DataConnectionPinConfiguration:NoCo

Strona 5 - Register14:Voltagelevel

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping3MemoryMap:Table1:Controlandstatusregis

Strona 6

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping4ControlandStatusRegisterDescriptions:Rea

Strona 7 - 2 1 0

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping5Register12:RatingIDThisregistergivesth

Strona 8 - Dataflowexample:

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping6Table2:ParameterregistersAll user adjus

Strona 9

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping7Register Parameter Description Format Min

Strona 10

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping8ModbusExceptionResponseTelegramsUndersom

Strona 11 - Appendix:

APPLICATIONNOTEAN‐BEI‐E2‐038 Date:15/02/12AN‐BEI‐E2‐038ModbusRTUControlandRegisterMapping9AnalogandDigitalInputConfigurationswhen

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