inmation Node-RED Node
This Node-RED Node connects to inmation Core server via the new inmation Web API server.
Installation
To install inmation Node just change into your node-red user directory and install like so:
cd ~/.node-red/
npm install @inmation/node-red-contrib-inmation
Topics
Read an Item value property
- Topic: read
- Payload:
[ { "p": "/System/Core/TestItem" } ]Write to an Item value property
- Topic: write
- Payload:
[ { "p": "/System/Core/TestItem", "v": 200 } ]Read Historical Data
- Topic: readhistoricaldata
- Payload:
{
"items":[ { "p": "/System/Core/TestItem", "aggregate": "AGG_TYPE_RAW" } ],
"startTime": "2017-12-01T12:00:00.000Z",
"endTime": "2017-12-01T12:05:00.000Z",
"numberOfIntervals": 1
}- Payload with options:
{
"items":[ { "p": "/System/Core/TestItem", "aggregate": "AGG_TYPE_RAW" } ],
"startTime": "2017-12-01T12:00:00.000Z",
"endTime": "2017-12-01T12:05:00.000Z",
"numberOfIntervals": 1,
"options": {
"percentage_good": 100,
"percentage_bad": 100,
"treat_uncertain_as_bad": false,
"slopped_extrapolation": false,
"partial_interval_treatment": "UASTANDARD"
}
}Read Historical Data At Time
- Topic: readhistoricaldataattime
- Payload:
{
"items":[ { "p": "/System/Core/TestItem" } ],
"timestamp": "2017-12-01T12:00:00.000Z",
}Read Raw Historical Data By Query
- Topic: readrawhistoricaldatabyquery
- Payload:
{
"query": {
"start_time": "2019-07-25T00:00:00.000Z",
"end_time": "2019-07-26T00:00:10.000Z",
"items": [
{
"p": "/System/Core/Examples/Demo Data/Process Data/DC4711"
}
],
"bounds": true,
"fields": "ALL",
"filter": [
{
"$match": {
"v": {
"$gte": 42
}
},
"$limit": 300
}
]
}
}Execute Function
- Topic: execfunction
- Payload:
{
"ctx": { "p": "/System/Core/TestFolder" },
"lib": "my-library-name",
"func": "calculate",
"farg": { "a": 10, "b": 20 }
}or
{
"context": { "p": "/System/Core/TestFolder" },
"libraryName": "my-library-name",
"functionName": "calculate",
"functionArg": { "a": 10, "b": 20 }
}Subscribe to DataChanges
- Topic: subscribe2dc
- Payload:
[ { "p": "/System/Core/TestItem" } ]Subscribe to ChildrenCountChanges
- Topic: subscribe2ccc
- Payload:
[ { "p": "/System/Core/TestItem" } ]Subscribe to ConfigurationVersionChanges
- Topic: subscribe2cvc
- Payload:
[ { "p": "/System/Core/TestItem" } ]Subscribe to UserStateChanges
- Topic: subscribe2usc
- Payload:
[ { "p": "/System/Core/TestItem" } ]Run Script
- Topic: runscript
- Payload:
{
"context": { "p": "/System/Core/TestItem" },
"script": "return inmation.getself().ObjectName"
}inmation
inmation is a vendor-independent industrial system-integration specialist. Dedicated to modern technologies such as OPC UA (Unified Architecture) and document-oriented schema-less repositories, inmation opens up new horizons for enterprise real-time data management.
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