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FB-Name |
UA_MonitoredItemOperate |
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This Function Block is designed to be optionally called to check and modify monitored item parameters. |
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VAR_INPUT |
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B |
Execute |
BOOL |
On rising edge node information will be read. |
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B |
MonitoredItemHdl |
DWORD |
Monitored item handle. |
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B |
Timeout |
TIME |
Time to response. |
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VAR_OUTPUT |
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B |
ValueChanged |
BOOL |
Indicates that the value of the monitored item has been changed. |
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B |
TimeStamp |
DT |
TimeStamp |
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B |
RemainingValueCount |
UINT |
Number of remaining value changes available for processingThis parameter is for diagnostic purpose and relates to the que size: High numbers indicate that the system is overloaded and should result in reducing the sample rate to faster process incoming MonitoredItems. |
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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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VAR_IN_OUT |
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B |
MonitoringSettings |
STRUCT |
See 9.1 UAMonitoredSettings (phased out structured data types) |
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Notes: - |
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UA_MonitoredItemOperate |
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BOOL |
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Execute |
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ValueChanged |
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BOOL |
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DWORD |
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MonitoredItemHdl |
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TimeStamp |
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DT |
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TIME |
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Timeout |
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Done |
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BOOL |
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Busy |
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BOOL |
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Error |
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BOOL |
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ErrorID |
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DWORD |
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STRUCT |
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MonitoringSettings |
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MonitoringSettings |
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STRUCT |
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