Data acquisition science direct

  • The data acquisition system converts these electrical quantities to digital form compatible with the control computer as input.
    The numerical values of measured quantities, or data , are usually converted into digital form for the control computer by a DAS.
The process of data acquisition entails the acquiring of sensor measurements and then processing the output into a human or machine readable format.

How long should a data acquisition system keep working?

The data acquisition system should maintain normal operation for 24 h, and it should not stop or turn off without reason.
As the data acquisition system is connected to the PLC system by remote telecommunication cable in the tunnel, the connection cable shall be daily checked and maintained.
Any problem found should be fixed immediately.

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What is Data Acquisition System (DAS)?

The data acquisition system (DAS) plays an important role in any monitoring system and is used to collect data from different sensors of a PV system.
Then, this data is digitalized for storage and the DAS sends data to the control center for processing and presentation .
The basic scheme of DAS is illustrated in Fig. 5.7.
Fig. 5.7.


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