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The topic is published in the format spBv1.0/[Group ID]/[Verb]/[Edge Node ID]/[Device ID] where:
Group ID
This identifies a logical grouping of Edge nodes and devices. This can be a region, a facility name, or any meaningful grouping of Edge Nodes within your application.
CL Modules Sparkplug message types and how they differNBIRTH: Edge node BIRTH certificate. This is a startup message from an Edge node to announce its presence and share its configurations.
NDEATHCL Modules Sparkplug message types and how they differ: Notification of an edge node’s disconnection or failure.
CL Modules Sparkplug message types and how they differDBIRTH: Device BIRTH certificate. This is a startup message from a device to announce its presence and share its configurations.
CL Modules Sparkplug message types and how they differDDEATH: Notification of a device’s disconnection or failure.
CL Modules Sparkplug message types and how they differNDATA: Data messages from an edge node which include edge node metric data.CL Modules Sparkplug message types and how they differ
: Data messages DDATA: Data messages from a device which include device metrics.
CL Modules Sparkplug message types and how they differNCMD: Command to an edge node.CL Modules Sparkplug message types and how they differ
DCMD: Command to a device.
CL Modules Sparkplug message types and how they differSTATE: It represents the state of the primary host application. Edge nodes subscribe to it to get the online status of the host.
The payload contains the following :
Note |
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MQTT Transmission transmitters or the Injector Tag Agents are designed to use the Ignition tag folder hierarchy (Tag Path) in combination with any configured Sparkplug IDs to dynamically build the Group ID, Edge Node Id and Device ID used in the topic. |
The payload contains the following :
Included in BIRTH messages if
theyvalues have been changed from the Ignition default or if they are custom
properties.properties.
Tip |
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Cirrus Link modules often optimise payloads by excluding Good metric qualities from a payload. If the payload is missing the quality property, it should be considered to be Good |
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Where a parameter is not specific to the message type metric being published, it is set to null |
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spBv1.0/TestGroup/NBIRTH/TestEdge |
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Metric [name=Node Control/Next Server, alias=null, timestamp=1713266473578, dataType=MetricDataType [type=Boolean, intValue=11, clazz=class java.lang.Boolean], isHistorical=null, isTransient=null, metaData=null, properties=null, value=false, isNull=false] Metric [name=Node Info/Transmission Version, alias=null, timestamp=1713266473578, dataType=MetricDataType [type=String, intValue=12, clazz=class java.lang.String], isHistorical=null, isTransient=null, metaData=null, properties=null, value=4.0.22-SNAPSHOT (b2024041611), isNull=false] Metric [name=bdSeq, alias=null, timestamp=1713266473578, dataType=MetricDataType [type=Int64, intValue=4, clazz=class java.lang.Long], isHistorical=null, isTransient=null, metaData=null, properties=null, value=2, isNull=false] Metric [ name=Motor, alias=null, timestamp=1713266473578, dataType=MetricDataType [type=Template, intValue=19, clazz=class org.eclipse.tahu.message.model.Template], isHistorical=null, isTransient=null, metaData=MetaData [isMultiPart=false, contentType=, size=0, seq=0, fileName=, fileType=, md5=03081691ee14510415e1036a4d1f416d, description=], properties=PropertySet [propertyMap={}], value=Template [version=, templateRef=, isDefinition=true, metrics=[Metric [name=T1, alias=null, timestamp=1713266473578, dataType=MetricDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], isHistorical=null, isTransient=null, metaData=MetaData [isMultiPart=false, contentType=, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={}], value=null, isNull=true]], parameters=[]], isNull=false] Metric [name=E_T1, alias=null, timestamp=1713266473578, dataType=MetricDataType [type=String, intValue=12, clazz=class java.lang.String], isHistorical=null, isTransient=null, metaData=MetaData [isMultiPart=false, contentType=application/json, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={engLow=PropertyValue [type=PropertyDataType [type=Double, intValue=10, clazz=class java.lang.Double], value=1.0, isNull=false], Quality=PropertyValue [type=PropertyDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], value=-2147483133, isNull=false], enabled=PropertyValue [type=PropertyDataType [type=Boolean, intValue=11, clazz=class java.lang.Boolean], value=false, isNull=false]}], value=null, isNull=true] Metric [name=T1, alias=null, timestamp=1713266473578, dataType=MetricDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], isHistorical=false, isTransient=false, metaData=MetaData [isMultiPart=false, contentType=, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={engUnit=PropertyValue [type=PropertyDataType [type=String, intValue=12, clazz=class java.lang.String], value=RPM, isNull=false], Quality=PropertyValue [type=PropertyDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], value=-2147483133, isNull=false]}], value=null, isNull=true]], parameters=[]], isNull=false] |
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spBv1.0/TestGroup/NBIRTHDBIRTH/TestEdge/TestDevice |
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[timestamp=1713266459127, metrics=[Metric [name=D_T1, alias=null, timestamp=1713266459127, dataType=MetricDataType [type=String, intValue=12, clazz=class java.lang.String], isHistorical=null, isTransient=null, metaData=MetaData [isMultiPart=false, contentType=application/json, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={Quality=PropertyValue [type=PropertyDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], value=192, isNull=false], enabled=PropertyValue [type=PropertyDataType [type=Boolean, intValue=11, clazz=class java.lang.Boolean], value=true, isNull=false], documentation=PropertyValue [type=PropertyDataType [type=String, intValue=12, clazz=class java.lang.String], value=Some helpful docs, isNull=false]}], value={ "Key1": "Value3" }, isNull=false], Metric [name=Device Control/Rebirth, alias=null, timestamp=1713266459127, dataType=MetricDataType [type=Boolean, intValue=11, clazz=class java.lang.Boolean], isHistorical=null, isTransient=null, metaData=null, properties=null, value=false, isNull=false], Metric [name=D_M1, alias=null, timestamp=1713266459127, dataType=MetricDataType [type=Template, intValue=19, clazz=class org.eclipse.tahu.message.model.Template], isHistorical=null, isTransient=null, metaData=MetaData [isMultiPart=false, contentType=, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={enabled=PropertyValue [type=PropertyDataType [type=Boolean, intValue=11, clazz=class java.lang.Boolean], value=true, isNull=false]}], value=Template [version=, templateRef=Motor, isDefinition=false, metrics=[Metric [name=T1, alias=null, timestamp=1713266459127, dataType=MetricDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], isHistorical=false, isTransient=false, metaData=MetaData [isMultiPart=false, contentType=, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={engHigh=PropertyValue [type=PropertyDataType [type=Double, intValue=10, clazz=class java.lang.Double], value=60.0, isNull=false]}], value=12, isNull=false]], parameters=[]], isNull=false]], seq=1, uuid=null, body=null] |
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Metric [name=Device Control/Rebirth, alias=null, timestamp=1713266459127, dataType=MetricDataType [type=Boolean, intValue=11, clazz=class java.lang.Boolean], isHistorical=null, isTransient=null, metaData=null, properties=null, value=false, isNull=false] Metric [name=D_T1, alias=null, timestamp=1713266459127, dataType=MetricDataType [type=String, intValue=12, clazz=class java.lang.String], isHistorical=null, isTransient=null, metaData=MetaData [isMultiPart=false, contentType=application/json, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={Quality=PropertyValue [type=PropertyDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], value=192, isNull=false], enabled=PropertyValue [type=PropertyDataType [type=Boolean, intValue=11, clazz=class java.lang.Boolean], value=true, isNull=false], documentation=PropertyValue [type=PropertyDataType [type=String, intValue=12, clazz=class java.lang.String], value=Some helpful docs, isNull=false]}], value={ "Key1": "Value3" }, isNull=false] Metric [name=D_M1, alias=null, timestamp=1713266459127, dataType=MetricDataType [type=Template, intValue=19, clazz=class org.eclipse.tahu.message.model.Template], isHistorical=null, isTransient=null, metaData=MetaData [isMultiPart=false, contentType=, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={enabled=PropertyValue [type=PropertyDataType [type=Boolean, intValue=11, clazz=class java.lang.Boolean], value=true, isNull=false]}], value=Template [version=, templateRef=Motor, isDefinition=false, metrics=[Metric [name=T1, alias=null, timestamp=1713266459127, dataType=MetricDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], isHistorical=false, isTransient=false, metaData=MetaData [isMultiPart=false, contentType=, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={engHigh=PropertyValue [type=PropertyDataType [type=Double, intValue=10, clazz=class java.lang.Double], value=60.0, isNull=false]}], value=12, isNull=false]], parameters=[]], isNull=false]] |
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spBv1.0/TestGroup/NDATA/TestEdge |
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Metric [name=E_M1, alias=null, timestamp=1713266452937, dataType=MetricDataType [type=Template, intValue=19, clazz=class org.eclipse.tahu.message.model.Template], isHistorical=null, isTransient=null, metaData=null, properties=null, value=Template [version=, templateRef=Motor, isDefinition=false, metrics=[Metric [name=T1, alias=null, timestamp=1713266445706, dataType=MetricDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], isHistorical=null, isTransient=null, metaData=null, properties=null, value=12, isNull=false]], parameters=[]], isNull=false] Metric [name=E_T1, alias=null, timestamp=1713266452939, dataType=MetricDataType [type=String, intValue=12, clazz=class java.lang.String], isHistorical=null, isTransient=null, metaData=MetaData [isMultiPart=false, contentType=application/json, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={}], value={ "Key1": "Value3" }, isNull=false]] |
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spBv1.0/TestGroup/DDATA/TestEdge/TestDevice |
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Metric [name=D_M1, alias=null, timestamp=1713266452942, dataType=MetricDataType [type=Template, intValue=19, clazz=class org.eclipse.tahu.message.model.Template], isHistorical=null, isTransient=null, metaData=null, properties=null, value=Template [version=, templateRef=Motor, isDefinition=false, metrics=[Metric [name=T1, alias=null, timestamp=1713266445725, dataType=MetricDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], isHistorical=null, isTransient=null, metaData=null, properties=null, value=12, isNull=false]], parameters=[]], isNull=false] Metric [name=D_T1, alias=null, timestamp=1713266452947, dataType=MetricDataType [type=String, intValue=12, clazz=class java.lang.String], isHistorical=null, isTransient=null, metaData=MetaData [isMultiPart=false, contentType=application/json, size=0, seq=0, fileName=, fileType=, md5=, description=], properties=PropertySet [propertyMap={}], value={ "Key1": "Value3" }, isNull=false]] |
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spBv1.0/TestGroup/NDEATH/TestEdge |
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[timestamp=1713266459127, metrics=[Metric [name=bdSeq, alias=null, timestamp=1713266473578, dataType=MetricDataType [type=Int64, intValue=4, clazz=class java.lang.Long], isHistorical=null, isTransient=null, metaData=null, properties=null, value=2, isNull=false]], seq=7, uuid=null, body=null] |
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spBv1.0/TestGroup/DDEATH/TestEdge/TestDevice |
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[timestamp=1713266459127, metrics=[Metric [name=bdSeq, alias=null, timestamp=1713266442358, dataType=MetricDataType [type=Int64, intValue=4, clazz=class java.lang.Long], isHistorical=null, isTransient=null, metaData=null, properties=null, value=5, isNull=false]], seq=7, uuid=null, body=null] |
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spBv1.0/TestGroup/NCMD/TestEdge |
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[timestamp=1713266761298, metrics=[Metric [name=ET1, alias=null, timestamp=1713266730315, dataType=MetricDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], isHistorical=true, isTransient=null, metaData=null, properties=null, value=5, isNull=false]], seq=15, uuid=null, body=null] |
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spBv1.0/TestGroup/DCMD/TestEdge/TestDevice |
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[timestamp=1713266761298, metrics=[Metric [name=DT1, alias=null, timestamp=1713266785263, dataType=MetricDataType [type=Int32, intValue=3, clazz=class java.lang.Integer], isHistorical=true, isTransient=null, metaData=null, properties=null, value=25, isNull=false]], seq=12, uuid=null, body=null] |
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Sparkplug™ B payloads are not used for encoding in this payload and this allows Host/backend application(s) to work across Sparkplug™ payload types. |
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