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TLPs are polled at a specified interval based on a poll rate and then made available via the OPC-UA interface. Alarms, events, and history are made available to MQTT Transmission to be published as immutable record objects to an MQTT server. Typically Typically these would be received on a central Ignition gateway with by the MQTT Engine and MQTT Recorder modules . Combined those receive the MQTT Sparkplug messages and insert the records into a central DB and running on a central Ignition Gateway and inserted into a database for later use or to be made available to other third party systems or for later use in Ignition.
For the purposes of this document there are some definitions that are explained below.
There are six basic steps to getting all of the data available in from a ROC into Ignition
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Once in the configuration screen you there will see be a link to create new global TLP definitions. Click the link shown below to create a new one.
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Point Type #,Point Type Description,Point Type Abbreviation,Parameter Number,Parameter Name,Parameter Description,Parameter Abbreviation,Access,DataType,Length
1,Discrete Inputs,DIN,0,Point Tag ID,,TAG,R/W,AC,10
1,Discrete Inputs,DIN,1,Filter,,FILTER,R/W,UINT8,1
1,Discrete Inputs,DIN,2,Status,,STATUS,R/W,UINT8,1
1,Discrete Inputs,DIN,3,Mode,,MODE,R/W,BIN,1
1,Discrete Inputs,DIN,4,Alarm Code,,ALARM,R/O,BIN,1
1,Discrete Inputs,DIN,5,Accumulated Value,,ACCUM,R/W,UINT32,4
1,Discrete Inputs,DIN,6,On Counter,,ONCTR,R/W,UINT32,4
1,Discrete Inputs,DIN,7,Off Counter,,OFFCTR,R/W,UINT32,4
1,Discrete Inputs,DIN,8,0% Pulse Width,,MINCNT,R/W,INT16,2
1,Discrete Inputs,DIN,9,100% Pulse Width,,MAXCNT,R/W,INT16,2
Once you have your properly formatted the global TLP definitions they can be uploaded. Once complete, it will look similar to what is shown below.
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