Beijer-electronics AN-BEI-P2-038 Uživatelský manuál stáhnout pdf

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12

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AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping

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BFIApplicationsSupportLibrary

ApplicationNote AN‐BEI‐P2‐038

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

RelatedProducts BeijerFrequencyInverterP2

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:

ThisdocumentprovidesanoverviewoftheModbusRTUmemorymappingthatisimplementedintheBeijerFrequencyInverter

P2 drive, detailing which addresses areused to read andwrite data to / from Beijer Frequency Inverter P2 in a Modbus RTU

network.AlldataregisterswithinthedriveareHolding

Registers,andcanbeaccessedbymeansoftheModbuscommands03

ReadMultipleHoldingRegistersand06WriteSingleRegisteronly.

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TheModbusRequestPDUspecifiesthestartingregisteraddressandthenumberofregisters.Inthiscase,with some Modbus

Master Systems, it may be necessary to subtract

 1 from the register number (e.g. some systems treat holding register 1 as

address0).

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TheManufactureradoptsapolicyofcontinuousimprovementandwhilsteveryefforthasbeenmadetoprovideaccurateandup

todateinformation,theinformationcontainedinthisdocumentshouldbeusedforguidancepurposes

onlyanddoesnotform

thepartofanycontract.

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MODBUSRTUProtocolSpecification:

ThefollowingtablehighlightsthespecificationfortheModbusRTUimplementationinBeijerFrequencyInverterP2

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Protocol ModbusRTU

Errorcheck CRC

Baudrate 9600bps, 19200bps, 38400bps, 57600bps, 115200bps

(default)

AdjustableinParameterP5‐03

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

1startbit,8databits,2stopbits,noparity.

1startbit,8databits,1stopbits,evenparity.

1startbit,8databits,1stopbits,oddparity.

AdjustableinParameterP5‐04

Physicalsignal RS485(2‐wire)

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1 2 3 4 5 6 ... 15 16

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Strany 1 - Overview:

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping1BFIApplicationsSupportLibraryApplicati

Strany 2 - ModbusTelegramStructure:

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping10Group3:UserPIDcontrol(Level2)

Strany 3

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping11Group5:Fieldbuscommunications(Level2)

Strany 4

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping12Group6:AdvancedParameterset(Level3)P

Strany 5

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping13Group8:ApplicationSpecificParameters‐

Strany 6 - Register23:DCbusvoltage

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping14DriveerrorcodeinformationinRegister6:

Strany 7 - DriveParameters:

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping15ModbusExceptionResponseTelegramsUnderso

Strany 8

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping16Appendix:RevisionHistoryVersion Comments

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APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping2ModbusTelegramStructure:ThefollowingModb

Strany 10

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping3MemoryMap:Table1:Controlandstatusregis

Strany 11

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping463 Userregister13 03,06 Read/Write64 Us

Strany 12

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping5Register7:OutputFrequencyThisregistersh

Strany 13

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping6Register22:PreRampSpeedReferenceValueT

Strany 14

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping7DriveParameters:All User Adjustable para

Strany 15

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping8Group2:Extendedparameterset(Level2)Pa

Strany 16 - Appendix:

APPLICATIONNOTEAN‐BEI‐P2‐038 Date:15/02/12AN‐BEI‐P2‐038ModbusRTUControlandRegisterMapping9ParameterNumberRegisterNumberDescription

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