Vision and Logic Master Programming Advanced34Word格式文档下载.docx
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Vision and Logic Master Programming Advanced34Word格式文档下载.docx
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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.
TheSerialGatherModuleevaluatesitsserialinputstringuntilitfindsthecharacterspecifiedinthe<
delimiter>
parameter.Thenittransmitsthedelimitedportionofthestring(includingthe<
)andthefollowing<
length>
specifiedcharactersasanewstringto<
out$>
.
<
parametershouldabidetostringformat.Itcanbedefinedasoneormultiplecharacters.
The<
parametershouldnotexceedthestringlengthbymorethan64.Thatisthe<
rangewith0dto64d.
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<
p>
parameters.
Theexpectedinputstringmustbeofafixedlengthandinaknownformat,andeach<
parametermustcorrespondtoonebyteoftheinputstring.
1.
<
=0000hsignifiesthatthecharacterisirrelevantandcanbeignored.
2.
=01xxhsignifiesthatthecharactermustmatchxx.
3.
=0200hidentifiesacharacterthatistobeextractedandtransmitted.
9.
FeedbackStatustoToggle
KeepToggleModuleallInputSignalTransient“High”
10.COMOutputMethodTwo
MakeSureCOMOutputCommandNotJammed:
AlwaysOnebyOne
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