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DNR-AI-202
DNR-AI-202
12-channel, 16-bit, 16 kS/s aggregate, analog input, data acquisition board for the PowerDNR RACKtangle®
 
The DNA/DNR-AI-202 is a 12-channel current input A/D board. The DNA-boards are compatible with all of our popular "CUBE" series chassis while the DNR-series boards are used in the RACKtangle® I/O series chassis. Both versions provide identical electical specifications and performance including three current input ranges, 16-bit resolution and 16 kS/s resolution. The AI-202 data acquisition boards are fully isolated from the PowerDNA cube and are ideal A/D boards for a wide variety of high speed, high resolution current measurement applications.
 
Characteristics:
  • 12 differential current inputs
  • 16-bit resolution
  • Max sampling rate to 16 kS/s
  • Autocalibration
  • Input ranges ±150 mA, ±15 mA, ±1.5 mA (covers industrial ranges 0-20mA and 4-20mA)
  • Analog front end isolated from digital circuitry
 
Technical Specifications
Parameters
Resolution 16 bits
Number of Channels: Differential 12
Maximum Sampling Rate 16 kS/s, aggregate
Onboard FIFO Size 512 samples
Input Range ±1.5 mA, ±15 mA, ±150 mA (use when 
measuring 0-20mA or 4-20mA sensors)
Shunt Resistance 10Ω 0.1%
Input Bias Current ±15 nA
Input Overvoltage ±40V, 2000V ESD, powered or unpowered, 
20mA max current
A/D Conversion Time 2 µs
A/D Settling Time 22 µsec (±150 mA scale), 100 µsec (±15 mA 
scale), 1 msec (±1.5 mA scale)
Nonlinearity 1 LSB
System Noise 1.2 LSB
Isolation 1500Vrms
Effective Number of Bits 14.8
Total Harmonic Distortion+Nonlinearity+Noise 91 dB
Channel Crosstalk 85 dB @ 1 kS/s
Power Consumption 1.8W
Operating Temp. (tested) -40°C to +85°C
Operating Humidity 95%, non-condensing
Vibration EC 60068-2-6 5 g, 10-500 Hz, sinusoidal
IEC 60068-2-64 5 g (rms), 10-500 Hz, broad-band random
Shock IEC 60068-2-27 50 g, 3 ms half sine, 18 shocks @ 6 orientations
30 g, 11 ms half sine, 18 shocks @ 6 orientations