High Density USB-AIO


32, 64, 96 or 128-Channel, USB Multifunction Analog Input/Output System


Main Features:

  • High-speed USB 2.0 multifunction DAQ
  • Sustained sampling speeds up to 500kHz
  • 12 or 16-bit resolution A/D converter
  • Flexible, software configured functionality
  • High density, up to 128 single-ended or differential analog inputs
  • 18 input ranges, 9 unipolar and 9 bipolar, per 8-channel programmable
  • Wide range of flexible signal conditioning types
  • Autocalibration and oversampling for real-time accurate data
  • A/D starts via software, timer, or external trigger
  • 2 16-bit analog outputs available
  • 16 high-current digital I/O lines
  • 16-bit programmable counter/timer
  • I/O connections made via DB37 and DB25 connectors
  • Type B USB connector features industrial strength and high-retention design
  • Now with Firmware 2.0 features!
  • Onboard Watchdog Timer, configurable power-on defaults, digital input denouncing and latching, digital output Pulse Width Modulation (PWM) and Matrix Mapping



Factory Options:

  • Reference junction sensor w/two 37-pin terminal blocks
  • Extended temperature and DIN rail mounting provisions



Signal Conditioning options:

  • Unipolar and bipolar ranges of 1mV, 5mV, 10mV, 20mV, 50mV
  • RC filters
  • 4-20mA or 10-50mA current inputs
  • RTD measurement
  • Bridge completion
  • Thermocouple break detection and cold-junction compensation (CJC) temperature sensor
  • Voltage divider
  • +10V sensor excitation



Analog Inputs:


ADC Type               Successive approximation
Resolution             12 or 16-bit
Sampling rate ("xx" equals number of channels)
 "16-xxA" version      500Ksamples/sec (maximum aggregate)
 "16-xxE" version      250Ksamples/sec (maximum aggregate)
 "12-xxA" version      500Ksamples/sec (maximum aggregate)
 "12-xx" version       250Ksamples/sec (maximum aggregate)
 "12-xxE"version       100Ksamples/sec (maximum aggregate)
Number of channels     32, 64, 96, or 128 single-ended or differential (software selectable)
Unipolar ranges        100mV, 200mV, 400mV, 500mV, 0-1V, 0-2V, 0-2.5V, 0-5V, 0-10V (software selectable)
Bipolar ranges         ±100mV, ±200mV, ±400mV, ±500mV, ±1V, ±2V, ±0-2.5V, ±5V, ±10V (software selectable)
Signal Conditioning    Unipolar ranges 0-1mV, 0-5mV, 0-10mV, 0-20mV, 0-50mV
                       Bipolar ranges ±1mV, ±5mV, ±10mV, ±20mV, ±50mV
                       RC filters
                       4-20mA or 10-50mA current inputs
                       RTD measurement
                       Bridge completion
                       Thermocouple break detection
                       Voltage Divider
                       +10V sensor excitation
Calibration Hardware ("xx" equals number of channels)
 "16-xxA" version      Two on-board references + calibrated real-time output
 "16-xxE" version      Two on-board references
 "12-xxA" version      Two on-board references + calibrated real-time output
 "12-xx" version       Two on-board references
 "12-xxE"version       NONE
System Calibration     Program provided to calibrate entire system
Accuracy               Uncalibrated   0.094% Full-Scale (FS)
                       Calibrated(*)  0.0015% FS
Int Nonlinearity Error 0.0046% FS
No Missing Codes       15 bits
Input impedance        1MΩ
A/D Start Sources      Software Start, Timer Start, and External Start Trigger
                       (rising or falling edge; software selectable)
A/D Start Enable       Externally supplied (pulled-up; active-high)
A/D Start Types        Single Channel or Scan (software selectable)
Channel Oversampling   0-255 consecutive samples/channel (software selectable)
Overvoltage protection -40 to +55V
Crosstalk              -60dB @ 500KHz
(*) To achieve best accuracy, one must calibrate to their own standard



Analog Outputs:


Number/Type            2/single-ended
Resolution             16-bit
Unipolar Ranges        0-5V*, 0-10V*
Bipolar Ranges         ±5V*, ±10V*
Conversion Rate        4kHz per channel
Settling Time          4us typ, 7us max; 1/4 to 3/4 scale to ±2LSBs
Output Current         ±25mA per channel

* Factory Options



Digital I/O:


Lines                  16, programmable as inputs or outputs in groups of 8 (pulled-up)

Input voltage          Logic low:     0V(min) to 0.8V(max)

                       Logic high:    2V(min) to 5V(max)

Input current          ±20µA (max)

Output voltage         Logic low:     0V(min) to 0.55V(max)

                       Logic high:    2V(min) to 5V(max)

Output current         Logic low:     64mA(max) sink

                       Logic high:    32mA(max) source




Type                   82C54 programmable interval counter
Available Counters     CTR0 (CTR1/CTR2 dedicated to A/D starts)
Input Frequency        10MHz (max) Int. or ext. supplied (sw select; pulled-up)
Counter size           16-bit
Clock                  Internal 10MHz or Externally supplied
                       (software selectable; pulled-up)
Clock Period           100ns (min)
Clock Pulse Width High 30ns (min)
Clock Pulse Width Low  40ns (min)
Gate                   Externally supplied (pulled-up; active-high)
Output                 External (pulled-up)
Voltage/Current        Same as Digital I/O



Operating Temperature  0° to +70°C, optional -40° to +85°C
Storage Temperature    -40° to +105°C
Humidity               5% to 90% RH, without condensation
Enclosure Dimensions   (L x W x H) in inches
        -32 (channels) 4.680 x 3.660 x 2.820
        -64            4.680 x 3.660 x 3.260
        -96            4.680 x 3.660 x 3.950    
        -128           4.680 x 3.660 x 4.640
Power required         +5V at 320mA typical*, +15V at 39mA
                       -15V at 21mA typical (per AIMUX-32 board

Included with your board:

The following components are included with your shipment:
  • 6’ USB cable
  • Software Master CD (PDF user manual installed with product package)
  • Printed USB I/O Quick-Start Guide







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Contact Details

EPS-Tech Ltd.

Industrial park, Tzur-Igal
2 Bazelet St,

Israel, 44862

Tel: +972-9-749-8585
Fax: +972-9-749-8686
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.