|
FB-Name |
UA_ConnectionGetStatus |
|||
|
This Function Block is used to get the connection status. |
||||
|
VAR_INPUT |
||||
|
B |
Execute |
BOOL |
FB performs its task on rising edge on this input. |
|
|
B |
ConnectionHdl |
DWORD |
Connection handle. |
|
|
B |
Timeout |
TIME |
Time to response. |
|
|
VAR_OUTPUT |
||||
|
B |
Done |
BOOL |
FB has completed its task. |
|
|
B |
Busy |
BOOL |
The FB is not finished and new output values are to be expected. |
|
|
B |
Error |
BOOL |
Signals that an error has occurred within the FB. |
|
|
B |
ErrorID |
DWORD |
Error code. |
|
|
B |
ConnectionStatus |
ENUM |
See UAConnectionStatus. The outputs ServerState and ServiceLevel are only valid if the ConnectionStatus is UACS_Connected. |
|
|
B |
ServerState |
ENUM |
See UAServerState. The ServerState is UASS_Unknown if the ConnectionStatus is not UACS_Connected. |
|
|
B |
ServiceLevel |
BYTE |
ServiceLevel describes the ability of the Server to provide its data to the client. The value range is from 0 to 255, where 0 indicates the worst and 255 indicates the best. The intent is to provide the clients an indication of availability among redundant Servers. |
|
|
Notes: - |
||||
|
|
|
UA_ConnectionGetStatus |
|
|
||
|
BOOL |
|
Execute |
|
Done |
|
BOOL |
|
DWORD |
|
ConnectionHdl |
|
Busy |
|
BOOL |
|
TIME |
|
Timeout |
|
Error |
|
BOOL |
|
|
|
|
|
ErroID |
|
DWORD |
|
|
|
|
|
ConnectionStatus |
|
ENUM |
|
|
|
|
|
ServerState |
|
ENUM |
|
|
|
|
|
ServiceLevel |
|
BYTE |
|
|
|
|
|
|
|
|