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FB-Name |
UA_Browse |
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This Function Block is used to navigate through the Address Space. Passing a starting node, the server retuns a list of nodes by references.The MaxArray size is configured for the controller must be passed as the RequestMaxReferencePerNode in the firmeware service call. |
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VAR_INPUT |
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B |
Execute |
BOOL |
FB performs its task on rising edge on this input. |
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B |
ConnectionHdl |
DWORD |
Connection handle. |
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E |
ViewDescription |
UAViewDescription |
Optional: Shall be an empty parameter if NOT browsing a View. |
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B |
BrowseDescription |
UABrowseDescription |
Starting Node and other information for navigation. Hint: This parameter is ignored if the ContinuationPointIn is not 0 |
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B |
ContinuationPointIn |
DWORD |
If set to 0 the browse starts with starting node. If set to ContinuationPointOut it can be used for browse next service. |
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B |
Timeout |
TIME |
Time to response. |
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VAR_OUTPUT |
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B |
Done |
BOOL |
FB has completed its task. |
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B |
Busy |
BOOL |
The FB is not finished and new output values are to be expected. |
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B |
Error |
BOOL |
Signals that an error has occurred within the FB. |
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B |
ErrorID |
DWORD |
Error code. |
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B |
BrowseResultCount |
UINT |
The number of entries in the BrowseResult array
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B |
BrowseResult |
ARRAY OFUAReferenceDescription |
List of references and target node information for the node passing the filter criteria in the request Length is vendor-specific (MAX_ELEMENTS_BROWSERESULT). See Constants of Array Lengths Hint: MaxSize is initialized by a predefined fixed size |
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B |
ContinuationPointOut |
DWORD |
Set when the server was not able to to deliver all results. Can be used to copy it to ContinuationPointIn for browse next service |
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Notes: - |
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UA_Browse |
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BOOL |
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Execute |
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Done |
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BOOL |
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DWORD |
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ConnectionHdl |
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Busy |
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BOOL |
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UAViewDescription |
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ViewDescription |
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Error |
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BOOL |
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UABrowseDescription |
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BrowseDescription |
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ErrorID |
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DWORD |
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DWORD |
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ContinuationPointIn |
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BrowseResultCount |
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UINT |
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TIME |
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Timeout |
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BrowseResult |
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ARRAY OFUAReferenceDescription |
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ContinuationPointOut |
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DWORD |
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