OPCUA Endpoint v0.28.0+ Periodically reads data from the OPC UA server and sends the data to the rule chain.

TIP

1. This component is an extension component and requires the introduction of an additional extension library: rulego-components-iot (opens new window)

Type

endpoint/opcua

Startup Configuration

Field	Type	Description	Default
server	string	OPC UA server address	None
policy	string	Security policy, options include: None, Basic128Rsa15, Basic256, Basic256Sha256	None
mode	string	Communication mode, options include: None, Sign, SignAndEncrypt	None
auth	string	Authentication method, options: Anonymous, UserName, Certificate	Anonymous
username	string	Username (required when auth is UserName)	None
password	string	Password (required when auth is UserName)	None
certFile	string	Certificate file path (required when auth is Certificate)	None
certKeyFile	string	Private key file path (required when auth is Certificate)	None
interval	string	Read task time configuration, supports cron expressions Example: @every 1m (every 1 minute) 0 0 0 * * * (triggers at midnight)
nodeIds	[]string	Query node list Example: ["ns=2;s=Channel1.Device1.Tag1"]

Security Policy (policy) Options Meaning:

• None: No security policy is used.
• Basic128Rsa15: Uses basic 128-bit encryption and RSA15 signing.
• Basic256: Uses basic 256-bit encryption.
• Basic256Sha256: Uses basic 256-bit encryption and SHA256 signing.

Communication Mode (mode) Options Meaning:

• None: No mode is used.
• Sign: Message signing.
• SignAndEncrypt: Message signing and encryption.

Routing Parameters

Only one route is allowed.

Output Parameters

Input RuleMsg data for the rule chain, format as follows:

• data:Format is an array, each element contains the following fields:

Field	Type	Description
displayName	string	Display name
nodeId	string	Node ID
recordTime	string	Record time
sourceTime	string	Source time
value	any	Value
quality	uint32	Data quality
floatValue	float64	Float type value
timestamp	string	Timestamp

• dataType:JSON
• type:OPC_UA_DATA