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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 DF1
  • No. of Channels: 16 Channels
  • Standard Functionality
  • Programmable I/O Multi-Mode Transceiver Channels
  • Receiver Input Levels (RS-422): -10 V to 10 V
  • Receiver Input Levels (RS-485): -7 V to 12 V
  • Driver Output Voltage: -0.25 V to 5 V max.

View Details

Module DF2
  • No. of Channels: 16 Channels
  • Enhanced Functionality
  • Programmable I/O Multi-Mode Transceiver Channels
  • Receiver Input Levels (RS-422): -10 V to 10 V
  • Receiver Input Levels (RS-485): -7 V to 12 V
  • Driver Output Voltage: -0.25 V to 5 V max.

View Details