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Download Data Acquisition Toolbox 2 User`s Guide
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Evaluating the Analog Input Object Status Evaluating the Analog Input Object Status In this section... “Status Properties” on page 4-25 “The Display Summary” on page 4-26 Status Properties The properties associated with the status of your AI object allow you to evaluate • If the device object is running • If data is being logged to the engine or to a disk file • How much data has been acquired • How much data is available to be extracted from the engine The analog input status properties are given below. Table 4-5 Analog Input Status Properties Property Name Description Logging Indicate if data is being logged to memory or to a disk file. Running Indicate if the device object is running. SamplesAcquired Indicate the number of samples acquired per channel. SamplesAvailable Indicate the number of samples available per channel in the data acquisition engine. When you issue the start function, Running is automatically set to On. When the trigger executes, Logging is automatically set to On and SamplesAcquired keeps a running count of the total number of samples per channel that have been logged to the engine or a disk file. SamplesAvailable tells you how many samples per channel are available to be extracted from the engine with the getdata function. 4-25
