2.1. Printer Port Based Data Acquisition Card

2.2. V/I & I/V conversion

2.3. Digital Input/ Outputs :

2.4. Signal Conditioner Module

2.5. Simulation Input and Outputs

2.6. Software

          This trainer is a unique design for data acquisition & control application training for instrumentation, Computer Science & Electronics students. It consists of a computer, a powerful PC based DAS card, Extension board, signal conditioner, Digital input/output, display modules for getting familiar with data acquisition principles & control Applications. 

    2.1. Printer Port Based Data Acquisition Card                                          [TOC]

• IBM PC/AT printer port Compatible

• 8 Channel analog inputs single ended Input Voltage Range : ±5 volt

• 12 bit dual slope integrating A/D converter

• 7.5 conversions/second

• One channel analog output with 12 bit resolution

  # Output Voltage : ±5V

• 8 Digital output line

• 8 digital input lines

• Suitable for process control applications.

• Two channel current to voltage converter can be configured to ADC input

  # Input : 4-20mA

  # Output : 0-5V

• One channel voltage to current converter can be configured to DAC output

  # Input : 0-5V

  # Output : 4-20mA

• All the analog and digital signals terminated at 50 pin FRC connector

• A builtin power supply is provided to feed the supply to all components.

  - Using the above DAS card the following can be offered for Data Acquisition and Control.

     2.2. V/I & I/V conversion                                                                         [TOC]

• One channel of ADC input is congigured as 4-20mA input for connecting to a industrial transmitter (DPT, TT, FT etc.)

• One channel of DAC output is configured as 4-20 mA Output for connecing to a industrial controller. (I/P, motored valve etc.)

    2.3. Digital Input/ Outputs :                                                                      [TOC]

• 4 digital outputs, TTL out

• 2 digita outputs, 24 volt DC out

• 2 relay outputs, 230Volt/5 Amp

• 4 digital inputs, TTL In,

• 2 digital input, 24 volt DC In,

• 2 opto isolated inputs.

    2.4. Signal Conditioner Module                                                               [TOC]

• One signal conditioner for TC (0-5 Volt output)

• One Signal conditioner for RTDC (4-20mA output)

    2.5. Simulation Input and Outputs                                                           [TOC]

•  2 SPDT switch to demonstrate digital inputs.

•  2 Nos of 24 volt lamps to demonstrate the digital outputs.

•  2 Nos of LEDs to demonstrate the digital outputs.

•  2 Potentiometers provided to output 0-5 volt,±10volt to feed analog inputs.

    2.6. Software :                                                                                         [TOC]

    Data Acquisition & Control Software [ViDAS]

•  Windows'98 Compatible.

•  Different format of display

•  Analog meter format

•  Growing LED format

•  Moving LED format

•  E.Stripchart type

•  Graphical type

•  Upto 8 channels of displays

•  Bar graph type display

•  PID Algorithm

•  Cascade algorithm

•  Data Acquisition & Display of multiple Channels in Multiple Formats.

•  Storing and retrieving of data for off-line analysis.

     NOTE : PC is must to conduct the above experiment