| OPC Toolbox™ | |
Property Reference |  Alphabetical List |
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| Group | Data Access Group objects contained by client |
| Name | Descriptive name for OPC Toolbox object |
| Tag | Label to associate with OPC Toolbox object |
| Type | OPC Toolbox object type |
| UserData | Data to associate with OPC Toolbox object |
| ErrorFcn | M-file callback function to execute when error event occurs |
| EventLog | Event information log |
| EventLogMax | Maximum number of events to store in event log |
| ShutDownFcn | M-file callback function to execute when OPC server shuts down |
| TimerFcn | M-file callback function to execute when predefined period passes |
| TimerPeriod | Period between timer events |
| Host | DNS name or IP address of server |
| ServerID | Server identity |
| Status | Status of connection to OPC server |
| Timeout | Maximum time to wait for completion of instruction to server |
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| GroupType | Public status of dagroup object |
| Item | Data Access Item objects contained by group |
| Name | Descriptive name for OPC Toolbox object |
| Parent | OPC Toolbox object that contains dagroup or daitem object |
| Tag | Label to associate with OPC Toolbox object |
| TimeBias | Time bias of group |
| Type | OPC Toolbox object type |
| UserData | Data to associate with OPC Toolbox object |
| CancelAsyncFcn | M-file callback function to execute when asynchronous operation is canceled |
| DataChangeFcn | M-file callback function to execute when data change event occurs |
| ReadAsyncFcn | M-file callback function to execute when asynchronous read completes |
| RecordsAcquiredFcn | M-file callback function to execute when RecordsAcquired event occurs |
| RecordsAcquiredFcnCount | Number of records to acquire before RecordsAcquired event occurs |
| StartFcn | M-file callback function to execute immediately before logging starts |
| StopFcn | M-file callback function to execute immediately after logging stops |
| WriteAsyncFcn | M-file callback function to execute when asynchronous write completes |
| Active | Group or item activation state |
| DeadbandPercent | Percentage change in item value that causes subscription callback |
| LogFileName | Name of disk file to which logged data is written |
| Logging | Status of data logging |
| LoggingMode | Specify destination for logged data |
| LogToDiskMode | Method of disk file handling for logged data |
| RecordsAcquired | Number of records acquired |
| RecordsAvailable | Number of records available in OPC Toolbox software engine |
| RecordsToAcquire | Number of records to acquire for a logging session |
| Subscription | Enable server update when data changes |
| UpdateRate | Rate, in seconds, at which subscription callbacks occur |
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| AccessRights | Inherent nature of access to item |
| Active | Group or item activation state |
| ItemID | Fully qualified ID on OPC server |
| Parent | OPC Toolbox object that contains dagroup or daitem object |
| ScanRate | Fastest possible data update rate |
| Tag | Label to associate with OPC Toolbox object |
| Type | OPC Toolbox object type |
| UserData | Data to associate with OPC Toolbox object |
| CanonicalDataType | Server's data type for item |
| DataType | Client item's data type |
| Quality | Quality of data value as string |
| QualityID | Quality of data value as 16-bit integer |
| TimeStamp | Time when item was last read |
| Value | Item value |
| writeasync | Properties — Alphabetical List | |
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