Vision and Logic Master Programming Advanced34.docx

Vision and Logic Master Programming Advanced34.docx

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VisionandLogicMasterProgrammingAdvanced34

VisionandLogicMasterProgrammingAdvanced

Lesson3&4

TableofContents

ModbusProtocol2

ControlModbusLighting4

FeedbackandSynchronous9

ModbusProtocol

1.ToUnderstandModbusProtocol

PlantoControlaDimmerPanelwithRS-485ModbusProtocol

2.SummarizeWhatNeedtoControl

CommunicationPortSet

1）Serial:

RS-485（RTX+,RTX-）

2）PortSetup:

9600bps,NonParity,8data,1stop

3）CheckSum:

CRC-16

0110300100010200015642-1ChannelOn

0110300100010200009782-1ChannelOff

0110300200010200015671-2ChannelOn

01103002000102000097B1-2ChannelOff

01103003000102000157A0-3ChannelOn

0110300300010200009660-3ChannelOff

0110300400010200015617-4ChannelOn

01103004000102000097D7-4ChannelOff

01103000000102000FD657-4ChannelAllOn

01103000000102003FD643-6ChannelAllon

011030000001020003D652-1/2ChannelOn,3/4/5/6Off

011030000001020003D652-1/2ChannelOn

0110300000010200009653-1/2ChannelOff

0110301100010200009512-1DimChannel0%

01103011000102003214C7-1DimChannel50%

01103011000102006494F9-1DimChannel100%

0110301200010200009521-2DimChannel0%

01103012000102001C94E8-2DimChannel28%

01103012000102006494CA-2DimChannel100%

0110301000010200015503-1SceneOn

01103010000102000094C3-1SceneOff

AnalysisOneCommand:

ACRCChecksumToolsMayNeedtoTestControlCode.

ControlModbusLighting

1.DesignandMakeUI

2.CreateLMProject

ConfigControllerwithRS-485onCOME

3.NameUISignals

4.InterlockandToggleFeedback

5.ConsiderProgramStructure

6.UnderstandAnalogtoSerialModule

7.InitialEachByteofCommandString

8.ScaleAnalogFrom65536to100

9.OutputandDebug

FeedbackandSynchronous

1.GetFeedbackString

RS-232/422/485SerialCommunicationareEssentiallyDataFlow.TheFlowMayNotConsecutive,itisalwaysoneSegmentbyAnother.SoneedGather.

TheSerialGatherModuleevaluatesitsserialinputstringuntilitfindsthecharacterspecifiedintheparameter.Thenittransmitsthedelimitedportionofthestring（includingthe）andthefollowingspecifiedcharactersasanewstringto.

parametershouldabidetostringformat.Itcanbedefinedasoneormultiplecharacters.

Theparametershouldnotexceedthestringlengthbymorethan64.Thatistherangewith0dto64d.

TheSerialGathersymbolisusefulfortakingdatathatmayarriveinpieces,suchasdatafromaCOMport,andreissuingthedatainonepiece（Package）.

2.DIMFeedbacktoUI

3.DIMFeedbacktoUIChannel2

4.HeartbeatOSCSentRequestStringtoDIMMER

5.USEBUFFERModuleSolveMultipleDefinition

6.TimingConditionToGateOscillator

TheTargetControlledDIMMERRestricttoContinuousCommand.ProgramShouldIntervalRequestCommandandControlCommand

7.TimingConditionToSendCommand

UpdateAnalogVariableValuebeforeSendingNewCommand

8.FeedbackofON/OFFStatus

TheSerialtoAnalogsymbolevaluatesitsserialinputstringuntilitfindsanexactmatchwiththestring（orstringfragment）thatisdefinedbythe

parameters.

Theexpectedinputstringmustbeofafixedlengthandinaknownformat,andeach

parametermustcorrespondtoonebyteoftheinputstring.

1.     

=0000hsignifiesthatthecharacterisirrelevantandcanbeignored.

2.     

=01xxhsignifiesthatthecharactermustmatchxx.

3.     

=0200hidentifiesacharacterthatistobeextractedandtransmitted.

9.

FeedbackStatustoToggle

KeepToggleModuleallInputSignalTransient“High”

10.COMOutputMethodTwo

MakeSureCOMOutputCommandNotJammed:

AlwaysOnebyOne