Page 58 - LFT Presentation-Jan2021_compressed (1)
P. 58

On-Board Data Acquisition System







          64 Ch – Data Acquisition System, with build in signal
          conditioning for Terminal Ballistics Research Laboratory(TBRL.



        S. No.                          ODAR Specifications TBRL Requirements                                                                 LFT  Designed

          1.                                     Analog Input Specification
          a)                       Input signal range: 0-5V and ±2.5V (programmable)                                                                OK

          b)                   Input channels: 64Differential(For better noise immunity)                           DC Accelerometers & Vibration Sensors are single ended, Rest
                                                                                                                                         sensors are Differential

          2.                                 Sampling rate of various channels                                                              Total 32 channels
          a)                                            Ch. 1-18 :     10 kHz                                             Ch. 1-9 (Vibration): BW=3KHz & Sampling rate 25ksps

          b)                                          Ch.19-22 :     1kHz                                           Ch. 10-11 (Accelerometer): BW=1KHz & Sampling rate 5ksps
          c)                                            Ch.23-30  :     1kHz                                          Ch. 12-15 (Load Cell): BW=0.5KHz & Sampling rate 3 ksps
          d)                                           Ch.31-45  :    5kHz                                             Ch. 16-20 (Pressure): BW=5KHz & Sampling rate 25ksps

          e)                                            Ch.47-56  :     1kHz                                            Ch. 21-28 (Strain): BW=100Hz & Sampling rate 1ksps
          f)                                            Ch.57-64  :    1kHz                                                         Ch. 29-32 (TC): Sampling rate 10SPS

          g)                                   Input impedance  :  >1G ohm                                                                    OK(>1G ohm)
          3.                                    Data Specifications of ODAR
          a)                                      Resolution of ADC-16 bit                                         For TC ADC using 19 bits & for remaining Sensors 16 bits ADC

          b)                                    Three ways to start Logging:                                                  I.   Remotely controlled through wireless
                                       I.   Manually pressing a button on the unit                                     II.  Short to open trigger input will start the recording

                                        II.  Remotely controlled through wireless
                                 III. Short to open trigger input will start the recording
   53   54   55   56   57   58   59   60   61   62