Page 49 - LFT Presentation Jan2021 54SA

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

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