A data acquisition system collects data from sensors, conditions and digitizes the analog signals, and stores or displays the digital data for analysis. It consists of transducers that convert physical parameters to electrical signals, signal conditioners that prepare the analog signals for processing, an analog multiplexer that selects different sensor signals, an analog-to-digital converter that converts the signals to digital values, and recorders, displays or a computer that receive the digital output for storage, visualization or further processing. The system provides accurate, fast and reliable conversion and collection of sensor data with minimal downtime for analysis and monitoring of processes.

1. Data Acquisition System

2. Data Acquisition Sysytem Sensor(Tranducers)  Signal Conditionar  Analog Multiplexer  Sinal convertor -------- many signal i/p Analog to degital Convertor() Recorder Display Meter Printer Digital Display Magnetic tape Computer Processing

3. Characteristics Not sensitive to Interference (Environmenta Basically) Easy to Handle and store

4. DAS Elements Transducers Signal Conditioners Scanner and multiplexer Signal convertor Auxiliary Equipment Digital Recorder Digital Printer

5. Single Channel /Multichannel Transducer1 Transducer 2 Transducer n Signal Conditioner 1 2 n Analog Multiplexer Signal Convertor ADC Program Control Recorders Display Meter’ Printer Magnetic Tape COmputer

6. Objective of DSS Accuracy Speed Online optimum and Safe Operation Collect Summarize and store Reliable,Flexible,Expandable Down time should b very les

7. Data Acquisition Sysytem