| Data Acquisition Toolbox | |
Specify the M-file action function to execute just before the device object starts running
Description
A start event is generated immediately after the start function is issued. This event executes the action function specified for StartAction. When the action function has finished executing, Running is automatically set to On and the device object and hardware device begin executing.
Start event information is stored in the Type and Data fields of the EventLog property. The Type field value is Start. The Data field values are given below.
| Data Field Value |
Description |
AbsTime |
The absolute time (as a clock vector) the event occurred. |
RelSample |
The acquired (AI) or output (AO) sample number when the event occurred. |
Characteristics
| Usage |
AI, AO, Common |
| Access |
Read/write |
| Data type |
String |
| Read-only when running |
No |
Values
The default value is an empty string.
Functions
Properties
| | SensorRange | StopAction | |