Node-red-contrib-opcua NPM

Node-RED OPC UA

node-red-contrib-opcua

opcuanodeLogo64

A Node-RED nodes to communicate or serve via OPC UA.

nodeopcua64

Install

Run command on Node-RED installation directory.

npm install node-red-contrib-opcua

or run command for global installation.

npm install -g node-red-contrib-opcua

Usage

Use OpcUa-Item to define variables. Use OpcUa-Client to read / write / subscribe / browse OPC UA server.

See some flows under folder examples . Updated server sub-flow example OPCUA-TEST-NODES.json look commands: addFolder, addVariable, addMethod, setFolder. Added new opcua-rights node to set folder/variable access level and role & permissions.

Here you got some ready to use examples. You can use the Import in Node-RED in the right upper corner menu.

node-red-opcua-flow

Examples are available for Schneider IGSS and Prosys Simulation Server as Node-RED flow. Search for OPC UA on: http://flows.nodered.org/

node-red-opcua-flow-Prosys

New method node example

Events example

Message parameters

Input message

Property	Function/Value	Notes
payload	set interval for subscription or monitorItem
interval	Subscription interval
queueSize	Subscription queue size
deadbandType	"a" abs. or "p" percent	Action monitor
deadbandValue	integer for deadband	Action monitor
topic	NodeId and DataType in format ns=3;s=Counter;datatype=Int32
action	subscribe	nodeId / variable
	unsubscribe	nodeId / variable
	deletesubscription	subscription
	browse	nodeId / folder
	info	nodeId
	read	nodeId
	write	nodeId & value
	monitor	deadbandtype abs/pro
	events	nodeId
	readmultiple	nodeId + datatype
	writemultiple	nodeId + datatype + value

readmultiple to readmultiple items writemultiple to write multiple items clearitems to empty multiple items (readmultiple / writemultiple)

NOTE: With datatype=xxxArray msg.payload.range = "2:4" can used as indexRange to read/write partial array

Output message

Property	Function/Value	Notes
payload	dataValue.value.value
statusCode	OPC UA StatusCode
sourceTimestamp	Source timestamp
serverTimestamp	Server´s timestamp

Release history (only couple of older releases):

v0.2.223

v0.2.117

v0.2.116

v0.2.115

v0.2.114

v0.2.113

v0.2.112

v0.2.111

v0.2.110

v0.2.109

v0.2.108 and older

Authors

since 2015 Mika Karaila
since 2016 Klaus Landsdorf

Testing

karma start opcua.conf.js --log-level debug --single-run

TBD List

Nodes	Function	Done
All
	Project structure	:white_check_mark:
	Async calls	:waxing_crescent_moon:
	UnitTesting	:new_moon:
	Documentation	:first_quarter_moon:
Item		:white_check_mark:
Browser
	Browse	:white_check_mark:
	Simple UI interface	:first_quarter_moon:
Client
	Read	:white_check_mark:
	Read Multiple	:white_check_mark:
	Write	:white_check_mark:
	Write Multiple	:white_check_mark:
	Subscribe	:white_check_mark:
	Unsubscribe	:white_check_mark:
	DeleteSubscription	:white_check_mark:
	Info	:white_check_mark:
	Browse	:white_check_mark:
	AE	:new_moon:
	reconnect on error	:waxing_crescent_moon:
Server
Commands
	Restart	:white_check_mark:
	Add Folder	:white_check_mark:
	Set Folder	:white_check_mark:
	Add Variable	:white_check_mark:
	Add Object	:new_moon:
	Add Method	:new_moon:
	Add Equipment	:first_quarter_moon:
	Add PhysicalAssets	:first_quarter_moon:

	Delete by NodeId	:white_check_mark:
Examples
	Methods
	Structures
	Variables
	Objects
	AE

Alarm and Events
	Subscribe	:white_check_mark:

EMOJI CHEAT SHEET

node-red OPC UA opc-ua unified automation opc foundation node-opcua

async chalk env-paths flatted get-user-locale lodash.clonedeep node-opcua node-opcua-client-crawler node-opcua-file-transfer os-locale

@infinitebrahmanuniverse/nolb-node-red-contrib-o @everything-registry/sub-chunk-2312 @xtensive-dpa-emul/mill-hmi node-red-contrib-opcuacrawler process-tracking

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