SACHA Compact Computer System for Harsh Environment - Nexeya

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SACHA
Compact Computer System
 for Harsh Environment

ULTRA RUGGED SYSTEM FOR ACQUISITION AND CONTROL
SACHA is a modular computer dedicated to all applications when compactness must be combined with a very
aggressive environment. SACHA can be used onboard aircrafts and ground vehicles. It may also be heart of a
portable equipment or a ground installation.
SACHA systems are highly modular: you can combine, according to your needs, our wide range of acquisition
and output boards with any mini-PCI Express board from the market.
SACHA is delivered either as an open system running LINUX or MS WINDOWS or as a turn-key acquisition
system. We offer a range of dedicated software for acquisition and recording of data running LINUX ou MS
WINDOWS or as a turn-key acquisition system.

SACHA systems are modular with 4 or 6 extension slots, to receive:

    • Analog signal acquisition: voltage, strain gauge, accelerometer, potentiometer, temperature, with analog filters
options.

   • Digital bus acquisition for most popular ground or avionic busses: CAN, serial lines, MIL-STD-1553, ARINC,
DIGIBUS, and a possibility to accommodate its internal FPGAs to any kind of specific bus you may need.

SACHA has its own SSD local storage for its acquisition. It can simultaneously broadcast its measurements through an
Ethernet or a PCM link.

SACHA may also be used as a recorder for external devices such as our video encoders or other manufacturers' devices.

An important feature of SACHA is its battery which can be used as a protection against platform power losses or as an
autonomous power supply when no other power source is available.

SACHA PRODUCT RANGE

SACHA Basic Set

 Sacha base structure
     Processor Atom Tunnel Creek E660T 1.3 GHz
     RAM: 1 GB, local SSD storage: 2 GB for system, 4 GB data
     2 x Gb Ethernet, OCM: 2 x inputs/outputs
     Serial: 1 x RS232 (maintenance), 2 x RS422 outputs
     Time synch.: IRIG B input +IEEE 1588
     Digital input (trigger): 2 - Digital outputs: 3
     Power input: 20-36 V, 50W max
     Versions: 6 and 8 slots. 2 slots for CPU and power supply
     Extension slots:     4 or 6
     Dim: 88 mm (h) x 138 mm (d) x            122 / 157 mm (w)
     Weight (kg): 3 / 3.5
     Temp: operating -40..+75°C. not operating -55..+100°C
     Humidity: 90% not condensing
     Vibration: sinus 20-2000 Hz 5 g, random 10-2000 Hz 6 g rms
     Shocks: 50 g 6 ms
     Pressure: 250-1100 mbar
     Connectors: SUBD and LEMO

 TEL410 - Remote control (wired)
     Remote commands: Power ON/OFF, record ON/OFF, TOP
     Displays: Power, recording, System OK
     Connectors for IRIG B signal and Ethernet

 BAT 144 - Battery option for SACHA
     14V, 4.8 Ah Lithium-ion technology
     70% capacity after 500 cycles
     Load power requirement: 20-36 Vdc 40 W, 1.5A
     Load duration: 3-4 hours
     Temp. Load: -20..+60°C, Discharge : -20..+70°C
     Dim.: 5.5 (w) x 7.4 (h) x 13.9 (d)
     Weight: 0.9 kg

 SACHA-SW - Embedded acquisition software
     MAGALI data acquisition and analysis format
     Storage format: IRIG 106 Chapter 10, analog, digital, internal audio and busses
     External video: AVI, external audio: WAV
     PCM format: IRIG 106 chapter 10

Storage

 ESSD-XX Local XX GB SSD storage XX = 32 / 64 / 128 GB

 ESSD-CF Compact flash adapter for removable media
     Also includes one audio input

Analog Inputs Extension Boards

 EIBN - 24 differential analog inputs for low voltage, potentiometer
   or temperature measurements
     Programmable gain: 1, 2, 4.. up to 128 minor drift amplifier
     Input levels from +20 mV to +2.5 V FS
     Conditioning linearization of PT100, 3 wire connection
     Cold junction compensation for thermocouples J, K, T, R, S, E, PLII,
     with internal or external silicium
     Open loop detection
     5V energizing for potentiometer acquisition
     4th order Butterworth low pass filter 1.5 to 22 KHz
     16 bits simultaneous sampling, up to 200 Ks per second and per channel

 EIHN - 16 high common mode voltage differential analog inputs
     Programmable gain: 1, 2, 4, 8
     Input levels from +5V to +40 FS
     Common mode voltage range +250 V (Zin = 500 KOhms)
     CMRR 90 dB from -40 to +80°C
     16 bits simultaneous sampling up to 200 Ks/ch

 EIGP - 8 general purpose analog inputs: accelerometers, strain gauge...
     Offset adjustable up to 100%
     Programmable gain: 1, 2, 4, 8, 10, 20, 40, 80, 100, 200, 400, 800 minor drift amplifier
     Input levels from +6.4 mV to +5.12 V FS
     Programmable 8th order elliptic progressive low pass filter CF from 10 Hz to 10 KHz
     76 dB attenuation at CF*2.5

Digital I/Os, Communication and Busses

 EDIO - 16 Opto-isolated digital input/output
     16 opto-isolated 28V inputs/outputs and counters
     Software selectable direction
     Input: 5 – 36 V Iconst 10 mA
     Output: open collector with overload over current
     Overvoltage and thermal shutdown
     High drive capability 40V – 3A
     Isolated 500V inputs/outputs on each channel

 EIRS - Multi interface controller board
     8 multipurpose multiprotocol RS485 inputs/outputs with FPGA
     Suitable for serial lines, PCM and customer protocols

 EDIG - 2 DIGIBUS or 1 redundant DIGIBUS interface
     Full traffic acquisition: procedure, data, V bits, echoes
     Short or long stub. GAM T101 (DIGIBUS) standard conformance checks
     Time stamping of messages with 1 µs resolution

 E1553 - 4 redundant MIL-STD-1553 busses
     Full traffic acquisition: command, status, data
     Time stamping of messages with 1 µs resolution
     MIL-STD-1553 standard conformance checks

 EARINC - 8 ARINC 429 Rx/Tx interfaces
     Full traffic acquisition, possibility of emission
     12 or 100 KHz, parity check
     Time stamping of messages with 1 µs resolution

 EPCIE – Adapter for 2 mini PCIe cards
     Two independant slots for mini PCIe cards

 ECAN – 2 CAN bus interfaces
     Two independant CAN interfaces (2.0A and 2.0B compliant)

Related Products

 EPAL - Independent 4 video channel H264 encoder to Ethernet
     MPEG-4 Part 10/AVC or Motion JPEG
     Res: 176x120 to 720x576. 176x120 to 1536x1152 in quadra vision mode
     Configurable picture frequency and throughput
     30/25 PAL/NTSC pictures/sec, 15 pps in quadra-vision
     2 audio channels
     Rotation, text insertion, motion detection
     PoE or 24 Vdc power supply
     Temp.: 0..50°C

 AIRG - GPS synchronized IRIG B generator
     Size: 231 (h) x 143 (w) x 56 (d) mm
     Weight: 1.750 kg
                                                                                                                                         V1.4 –Release Nov. 2016

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