Instance Attributes (Instance #41, OPC UA Discovery Server)
This instance holds the URL of the OPC UA Discovery server used by the Anybus CompactCom.
# | Name | Access | Data Type | Description |
|---|---|---|---|---|
1 | Name | Get | Array of CHAR | “OPC DS URL” (Multilingual, see page Multilingual Strings) |
2 | Data type | Get | UINT8 | 07h (= CHAR) |
3 | Number of elements | Get | UINT8 | 80 (Max Discovery server URL length is 80 characters.) |
4 | Descriptor | Get | UINT8 | bit 0: 1 = Read access bit 1: 1 = Write access bit 2: 1 = Shared access |
5 | Value | Get/Set | CHAR[80] | Actual OPC UA Discovery Server Format: “opc.tcp://<hostname/ip-address>[:<port>]”. The port is optional to have in the URL, if left out the default value is used: 4840. Value set to this attribute will be used on the next connection attempt towards the discovery server. If read, the actual value will be received. If written, the written value is reflected in attribute #6 until a restart. |
6 | Configured value | Get | CHAR[80] | The configured value that will be used after restart |