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COSA® Design Advantages

As a result of our Configurable Open Systems Architecture™ (COSA®), NAI’s I/O Boards can be configured in a virtually unlimited number of ways.

Select from over 70 pre-integrated I/O, measurement, simulation or communication functions to meet your application-specific requirements quickly, and without the need for custom boards or NRE charges.




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Available rugged system chassis are scalable to support distributed, networked and high-density centralized systems.





All NAI products are 100% designed and manufactured in the United States.

Module DA1
  • No. of Channels: 12 Channels
  • Output Modes: Voltage Control Mode (Bipolar/Unipolar), Current Control Mode (Bipolar)
  • Output Range (V-control mode): ±10 VDC, 0 to 10 VDC
  • Output Range (I-control mode): 0 to ±25 mA
  • Linearity Error: 10 µs typ. (15 µs max.)
  • Gain Error: ±0.03% FS range @ 25C
  • External trigger/synchronization signal (RS422/485) capability

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Module DA2
  • No. of Channels: 16 Channels
  • Output Modes: Voltage Control Mode (Bipolar/Unipolar)
  • Output Range (Bipolar): ±10 VDC, ±5 VDC, ±2.5 VDC
  • Output Range (Unipolar): 0 to 10 VDC, 0 to 5 VDC
  • Linearity Error: ±0.10% FS range (FSR) over temperature
  • Gain Error: ±0.10% FSR ± 0.02% x (maximum current in load (mA)), per channel
  • External trigger/synchronization signal (RS422/485) capability

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Module DA3
  • No. of Channels: 4 Channels
  • Output Modes: Voltage Control Mode (Bipolar/Unipolar), Current Control Mode (Bipolar)
  • Output Range (V-control mode): ±40 VDC or 0 to 40 VDC
  • Output Range (I-control mode): ±100 mA
  • Linearity Error: ±0.1% FS range over temperature
  • Gain Error: ±0.05% FS range
  • High-current D/A Output Channels

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Module DA4
  • No. of Channels: 16 Channels
  • Output Modes: Voltage Control Mode (Bipolar/Unipolar)
  • Output Range: ±20 to ±80 VDC
  • Ranges are programmable in pairs
  • Linearity Error: ±0.15% FS range (FSR) over temperature
  • Gain Error: ±0.08% FS range
  • High-voltage D/A Output Channels

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