OPC UA Account

Overview

You can use this account type to connect OPC UA Snaps with data sources that use the OPC UA Account. It authenticates with the OPC UA server using certificates, credentials or anonymous authentication.

Account settings

Legend:

Expression icon (): Allows using JavaScript syntax to access SnapLogic Expressions to set field values dynamically (if enabled). If disabled, you can provide a static value. Learn more.
SnapGPT (): Generates SnapLogic Expressions based on natural language using SnapGPT. Learn more.
Suggestion icon (): Populates a list of values dynamically based on your Snap configuration. You can select only one attribute at a time using the icon. Type into the field if it supports a comma-separated list of values.
Upload : Uploads files. Learn more.

Learn more about the icons in the Snap settings dialog.


Field / Field set	Type	Description
Label	String	Required. Specify a unique label for the account. Default value: N/A Example: OPC UA Account
Endpoint URL	String/Expression	Required. Specify the OPC UA server endpoint URL that includes the protocol, address, and port. Default value: N/A Example: opc.tcp://localhost:4840 https://opcua.server.com:4841/
Message security mode	Dropdown list	Required. Choose the message security mode (level of security) to connect to the OPC UA server. Available options are: `None`: No security is used. `Sign`: Uses security policies for authentication. `Sign and encrypt`: Uses security policies and encryption for authentication. Default value: None Example: SignAndEncrypt
Security policy	Dropdown list	Appears when you select `Sign` and `Sign and encrypt` as the Message security mode. Required. Choose the security policy that defines the encryption or signing rules. Available options are: `Basic128Rsa15` `Basic256` `Basic256Sha256` `Aes128_Sha256_RsaOaep` `Aes256_Sha256_RsaPss` Default value: Basic128Rsa15 Example: `Basic256`
Secure channel certificate properties	Appears when you select `Sign` or `Sign and encrypt`as the Message security mode. Use this field set to configure user authentication certificate.
Trustore	String/Expression	Specify the location of the trustore file that is either an unauthenticated URL (https://...) or one that is located in SLDB. Learn more: How to generate a Truststore. Default value: N/A Example: `truststore.jks`
Truststore password	String/Expression	Specify the password for the trustore file. Default value: N/A Example: `changeit`
Keystore	String/Expression	Specify the location of the keystore file that is either an unauthenticated URL (https://...) or one that is located in SLDB. Learn more: How to generate a Keystore. Default value: N/A Example: `keystore.p12`
Keystore password	String/Expression	Specify the password for the keystore file. Default value: N/A Example: `Encrypted`
Key alias	String/Expression	Specify the alias of the private key to be used from the keystore. Default value: N/A Example: `myOpcUaClientKey`
Private key passphrase	String/Expression	Specify the passphrase for the private key. Leave this field blank if you want to use the keystore password. Default value: N/A Example: `myPrivateKeyPass`
Transport profile	Dropdown list	Appears when you select `None` for Message security mode. Required. Choose the transport profile. Available options are: `TCP UASC UA BINARY` `HTTPS UA BINARY` Default value: TCP UASC UA BINARY Example: HTTPS UA BINARY
Authentication method	Dropdown list	Appears when you select `None` for Message security mode field. Required. Choose the method to use for client authentication. Available options are: `Anonymous`: Authenticates anonymous users. `Username and password`: Authenticates against the user credentials. `Certificate`: Authenticates the client using its certificate. Default value: Anonymous Example: Certificate
Username	String/Expression	Appears when you select `Username and password` for Authentication method field. Specify the username for authentication. Default value: N/A Example: admin
Password	String/Expression	Appears when you select `Username and password` for Authentication method field. Specify the password for authentication. Default value: N/A Example: Encrypted
Authentication certificate properties	Appears when you select `Certificate` as the Authentication method. Use this field set to configure user authentication certificate.
Keystore	String/Expression	Required. Specify the location of the keystore file. You can also upload the fiile from SLDB. Learn more about how to generate a Keystore. Default value: N/A Example: sldb:///client-cert-store.jks
Keystore password	String/Expression	Required. Specify the password to access the keystore file. Default value: N/A Example: Encrypted
Key alias	String/Expression	Required. Specify the alias of the private key within the keystore. Default value: N/A Example: client-auth-key
Private key passphrase	String/Expression	Specify the passphrase for the private key. Leave this field blank to use the same password as the keystore. Default value: N/A Example: Encrypted
Connection properties	Use this field set to configure the connection properties.
Connection timeout (milliseconds)	Integer/Expression	Specify the number of milliseconds the OPC UA server waits before aborting a new connection attempt. For example, if you set the Connection timeout limit to 30 milliseconds, and the account fails to establish a connection in 30 ms, the pipeline logs a timeout exception and aborts execution. Default value: 5000 Example: 10000
Session timeout (milliseconds)	Integer/Expression	Specify the session timeout for the connection. Default value: 120000 Example: 300000
Request timeout (milliseconds)	Integer/Expression	Specify the timeout for individual requests. Default value: 60000 Example: 90000