
SIU32-RIUVARM-01
2x 3U OpenVPX MOSA Remote Interface Unit
SIU32-RIUVARM-01 is a Modular Open Systems Approach (MOSA) Remote Interface Unit (RIU) to manage, monitor and control connected I/O, communications, measurement and simulation interfaces through Ethernet commands from a main mission processors. Extremely low power with 2 x 10/100/1000Base-T Ethernet.
The SIU32-RIUVARM-01 is ideally suited to support several land, air and sea platforms. The SIU32-RIUVARM-01 takes advantage of NAI’s COSA Architecture: a flexible, adaptable, configurable, modular and expandable solution that offers an almost infinite number of configurations while eliminating hardware and software NRE redesign. VxWorks 6.9 RTOS and PetaLinux.
Features
- 4 x MIL-STD-1553 (FTC)
- 12 x ARINC-429/575 Channels (AR1)
- 8 x Programmable RS-232/422/485 Serial Channels (SC3)
- 8 x Programmable RTD or Thermocouple measurement (TR1)
- 24 x Enhanced Programmable Discrete I/O Channels (DT4)
- 16 x ±100 VDC A/D Channels (ADF)
- 28 VDC MIL-STD-704 Aircraft Electrical Power Characteristics with at least 50 ms holdup.
- MIL-STD-810G, MIL-STD-461F and DO-160 environmental and EMI/EMC qualifications.
NAI’s Configurable Open Systems Architecture™ (COSA®) offers a choice of over 70 smart I/O, communication, and Ethernet switch functions, providing the highest package density and greatest flexibility of any multifunction I/O board in the industry. Preexisting, fully-tested functions can be combined quickly and easily in an unlimited number of ways. Choose the ideal platform for your application below. Each I/O function has dedicated processing, unburdening the system Single Board Computer (SBC) from unnecessary data management overhead.
Related COSA® Products


Single Board Computers

High Density I/O Boards
Need more or less configurations than the SIU32-RIUVARM-01? Choose from NAI's standard COTS configurable systems that you can populate with pre-integrated boards, smart function modules, power supplies and software libraries of your choice.
Model |
Dimensions w/
Connectors (w x h x d) |
Weight / lbs. (Fully populated) |
Function
Module Slots |
Board Slots | Board Formats |
---|---|---|---|---|---|
NIU1A | 6.8" x 1.6" x 2.5" | < 1.2 | 1 | N/A | Integrated System |
NIU2A | 7.2" x 2.7" x 3.0" | < 2.7 | 2 | N/A | Integrated System |
NIU3A | 7.2" x 3.2" x 5.5" | < 5.4 | 3 | N/A | Integrated System |
NIU3E | 7.2" x 3.2" x 7.1" | < 7.7 | 1 | N/A | Integrated System |
SIU31 | 4.7"x 2.4" x 8.8" | < 5.9 | 3 | 1 | cPCI |
SIU32S | 5.9" x 4.5" x 9.5" | < 11.5 | 6 | 2 | OpenVPX |
SIU33 | 4.7" x 4.8" x 8.8" | < 10.6 | 9 | 3 | cPCI |
SIU34 | 5.7" x 5.8" x 9.4" | < 15.1 | 12 | 4 | OpenVPX |
SIU35 | 7.2" x 4.8" x 8.7" | < 16.0 | 15 | 5 | cPCI |
SIU36 | Conduction Cooled: 9.0" x 5.0" x 9.5" Convetion/Air Cooled: 9.0" x 6.4" x 9.5" |
Conduction Cooled: < 21.3 Convection/Air Cooled: < 22.5 |
18 | 6 | OpenVPX |
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