The function block UA_ConnectionGetStatus is used to get the connection status of a specified connection.
Input |
Data type |
Description |
---|---|---|
Execute |
BOOL |
Upon a rising edge, the function block is being executed. Also refer to Behavior of Function Blocks with the Input Execute. |
Timeout |
TIME |
Maximum time to respond. Value range: 2 s...60 s If the value is out of range the upper or lower limit is applied. Default value: GPL.Timeout |
ConnectionHdl |
DWORD |
Connection handle. |
Output |
Data type |
Description |
---|---|---|
Done |
BOOL |
Indicates that the execution of the function block was completed successfully. |
Busy |
BOOL |
Indicates that the execution of the function block is in progress. |
Error |
BOOL |
Indicates that an error was detected during execution.
NOTE: Even if Error indicates FALSE, verify the corresponding ErrorIDs before processing the namespace indexes.
|
ErrorID |
Provides additional diagnostic information as a numeric value. For each specified namespace URI, a separate result is provided. |
|
ConnectionStatus |
Indicates the connection status. |
|
ServerState |
Indicates the server status. |
|
ServiceLevel |
BYTE |
Indicates the ability of the server to provide its data to the client. The value range is from 0...255, where 0 indicates the lowest and 255 indicates the highest level (best). The intent is to provide the clients an indication of availability among redundant servers. |