SIU32S
3U OpenVPX Sensor Interface Unit
MOSA/SOSA™-aligned Multiprocessing, Video, I/O and Communication System
The SIU32S is a configurable Modular Open Systems Approach (MOSA) rugged system ideally suited to support a wide range of Mil-Aero applications that require processing, video, high-density I/O, communications and Ethernet switching. The SIU32S leverages NAI’s Configurable Open Systems Architecture™ (COSA®) 3U OpenVPX SOSA™-aligned boards, XMC’s and smart function modules to deliver off-the-shelf solutions that accelerate deployment of SWaP-optimized systems in air, land and sea applications.
Versatile & Scalable Rugged Architecture for Demanding Embedded System Applications
Including: Mission Computing, Vehicle Management System (VMS), Actuator Interface Unit (AIU), IO Adapter (IOA), Data Acquisition (DAQ), Fire Control & Targeting System (FCTS), Remote Data Concentrator (RDC), Data Concentrator Unit (DCU), Remote Interface Unit (RIU), Health and Usage Monitoring System (HUMS), Aircraft Interface Unit (AIU).
Features
- 2x 3U OpenVPX™ Card Slots, Supports up to 6 I/O and/or communication modules
- 100+ smart function modules to choose from
- Frame Grabber XMC (VS2)
- Processor Options: Freescale PowerPC™ QorIQ® T2080, Intel® Core™ i7 or Intel® Xeon® W (Tiger Lake), or ARM® Cortex® -A53 or -A72
- Configurable I/O Communications and Processing Capabilities
- Reduced SWaP Footprint
- Conduction Cooled (CC) and Air Cooled (AC) Versions
- COSA® Architecture Supports MOSA, OSA, SOSA™ and the FACE® technical standards
- Operating Systems: Wind River® Helix™ Virtualization Platform, Wind River® Linux, VxWorks®, VxWorks® Cert Edition, DDC-I Deos™ OS, Lynx MOSA.ic, Xilinx PetaLinux, Ubuntu Linux®
- Continuous Background Built-In-Test (BIT) (board/function supported as applicable)
- Operating temp: -40 °C to +71 °C @ thermal interface, conduction cooled
- Environmental/EMI: MILS-STD-461, MIL-STD-810, MIL-STD-1275, MIL-STD-704
- Conduction Cooled Dimensions: 6.0" x 4.6" x 9.5"
- Conduction Cooled Weight: < 6.6 lbs.
- Convection Cooled Dimensions: 6.2" x 4.8" x 9.5" (AC)
- Convection Cooled Weight: < 6.9 lbs
- Additional Weights: + ~1.35 lbs. each additional fully populated board
4/11/2025 11:52:20 AM
NAI’s Configurable Open Systems Architecture™ (COSA®) offers a choice of over 100 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 SIU32S? 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. | Function Module Slots |
Board Slots |
Board Formats | SOSA™-Aligned |
|---|---|---|---|---|---|---|
| NIU1A | 6.8" x 1.6" x 2.5" | < 1.2 lbs. | 1 | N/A | Integrated System | N/A |
| NIU2A | 7.2" x 2.7" x 3.0" | < 2.7 lbs. | 2 | N/A | Integrated System | N/A |
| NIU3A | 7.2" x 3.2" x 5.5" | < 5.4 lbs. | 3 | N/A | Integrated System | N/A |
| NIU3E | 7.2" x 3.2" x 7.1" | < 7.7 lbs. | 1 | N/A | Integrated System | N/A |
| SIU31 | 4.7"x 2.4" x 8.8" | < 5.9 lbs. | 3 | 1 | cPCI | N/A |
| SIU32S | Conduction-Cooled: 6.0" x 4.6" x 9.5" Convection/Air-Cooled: 6.2" x 4.8" x 9.5" |
Conduction-Cooled: < 6.6 lbs. Convection/Air-Cooled: < 6.9 lbs. |
6 | 2 | OpenVPX | Yes |
| SIU33 | 4.7" x 4.8" x 8.8" | < 10.6 lbs. | 9 | 3 | cPCI | N/A |
| SIU34 | 5.7" x 5.8" x 9.4" | < 15.1 lbs. | 12 | 4 | OpenVPX | N/A |
| SIU34S | Conduction-Cooled: 7.8" x 5.1" x 9.5" Convection/Air-Cooled: 6.0" x 7.2" x 9.5" |
Conduction-Cooled: < 16.8 lbs. Convection/Air-Cooled: < 19.8 lbs. |
12 | 4 | OpenVPX | Yes |
| SIU35 | 7.2" x 4.8" x 8.7" | < 16.0 lbs. | 15 | 5 | cPCI | N/A |
| SIU36 | Conduction-Cooled: 9.0" x 5.0" x 9.5" Convection/Air-Cooled: 9.0" x 6.4" x 9.5" |
Conduction-Cooled: < 21.3 Convection/Air-Cooled: < 22.5 |
18 | 6 | OpenVPX | N/A |
| SIU36S | Conduction-Cooled: 10.0" x 5.1" x 9.5" Convection/Air-Cooled: 6.1" x 9.5" x 9.5" |
Conduction-Cooled: < 22.5 lbs. Convection/Air-Cooled: < 23.1 lbs. |
18 | 6 | OpenVPX | Yes |
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