Boards Home > ISA Bus Data Acquisition Boards-ISO-AD32
32-channel 12-bit 200KS/s isolated analog input board
» Features
■ 32 single-ended or 16 differential input channels
■ 500VDC photo-isolation protection
■ 12-bit resolution
■ Maximum 200KHz sampling rate
■ Built-in 1K bytes FIFOs
■ Single-ended or differential input selectable
■ Auto channel scan / gain scan
■ Command set programming
■ Gap-free A/D conversion
» Functional Description
The ISO-AD32H/L (H for high gain; L for low gain) is a bus-type isolated 12-bit A/D board for PC/AT compatible computers.
The isolation inputs can operate up to 500Vrms of common-mode voltage.The ISO-AD32H/L features a 200KHz 12-bit analog-to-digital converter, on board 1 K bytes FIFO buffer, 32 single-ended or 16 differential analog input channels.
The analog input allows auto-channel /gain scan.
This board supports gap-free A/D conversion at 200KHz sampling rates for single channel or 100KHz sampling rates for channel scanning.
The "Hands-Off" design permits all board parameters (channel selection, gain, input type, operating mode) to be performed in software.
Once installed, user will never have to worry again.
The innovative design improve several drawbacks of theconventional isolated A/D card. Such as :
1. The speed is faster; up to 200KHz
2. The sampling rate can be programmable
3. On board FIFOs buffer support gap-free A/D conversion and work well under DOS
and Windows environment
4. High channel count input can be implemented in half size board.
» Applications
● Data acquisition
● Waveform analysis
● Harsh environment operation
● Signal isolation
» Specifications Analog Input
● Number of channels : 32 single-ended/16 differential
● Resolution : 12-bit
● Conversion rate : 200KS/s max
● Input impedance : 10,000MΩII 6pF
● Over voltage protection : ±35V
● Accuracy : 0.01% of reading ±1 bit
● Linearity : ±1 bit
● On chip sample & hold
● Zero drift : ±25ppm/ °C of F.S. max ISO-AD32H Input Range
Gain
Bipolar(V)
Unipolar(V)
Throughput
0.5
±10
X
125K/s
1
±5
0~10
125K/s
5
±1
X
80K/s
10
±0.5
0~1
80K/s
50
±0.1
X
10K/s
100
±0.05
0~0.1
10K/s
500
±0.01
X
1K/s
1000
±0.005
0~0.01
1K/s
ISO-AD32L Input Range
Gain
Bipolar(V)
Unipolar(V)
Throughput
0.5
±10
X
200K/s
1
±5
0~10
200K/s
2
±2.5
0~5
200K/s
4
±1.25
0~2.5
200K/s
8
±0.625
0~2.5
200K/s
General Specifications
● I/O connector : one 37-pin D-Sub female
● Power requirements : +5V @ 850 mA
● Operating temperature : 0°C ~ 60°C
● Operating humidity : 0% ~ 90% non-condensing
● Storage temperature : -20°C ~ 70°C
● Dimensions : 173 mm x 122 mm
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PIN View
