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> iR 5221 (6830)


  • Sitara AM3352 Cortex-A8 @ 600MHz
  • 256MB DDR3
  • 256MB NAND Flash (for boot)
  • 1 x SD-Slot
  • 5 x LAN (1 Gigabit, 4 Fast Ethernet)
  • 3 x USB 2.0 (2 Host, 1 OTG)
  • 2 x RS232/422/485
  • 1 x CAN Bus
  • 8 x Digital-I/O (4 Input, 4 Output)
  • 1 x I²C
  • 1 x mPCIe-slot for 3G/4G-Modem, GPS and other
  • 1 x SIM card slot
  • 1 x WLAN 802.11b/g/n (optional)
  • 2 x antenna sockets (optional)
  • 1 x Console serial Port
  • Low Power, fanless, no cables
  • Operating Temperature −20°C - 65°C
  • Debian GNU/Linux
  • DIN RAIL mountable
  • Starter kit available

Baltos iR 5221 onRISC ARM Industrial PC with Ti Sitara Cortex-A8 Am3352 processor system on Chip SOC


Baltos iR 5221

Quick Link: | Features | More Pictures | Overview | System | Serial Ports | Power and Environment | Mechanical | Software Specifications | Ordering Information | Options | Packaging | Download |


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Baltos iR 5221 onRISC ARM Industrial PC with Ti Sitara Cortex-A8 Am3352 processor system on Chip SOC
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OnRISC Baltos iR 5221 is a fanless industrial embedded PC in compact dimensions, designed for DIN Rail mounting. It is based on an ARM Cortex-A8 with NEON SIMD Coprocessor, up to 1GHz CPU clock speed. Low power consumption, wide temperature range -20C to 65C and flexible power supply (12-50V DC) make it an ideal system for industrial automation.
The system allows extension with GPS and GSM/3G/4G communication, so installation on mobile bases is possible. WLAN is available as usual, two locations for antenna sockets are provided. Models with further extended temperature range are available, allowing for remote installations.

The great variety of interfaces like LAN, CAN Bus, serial ports, USB, I²C, Digital I/O plus more options makes it easy to connect various industrial devices and field buses to the Baltos.

The embedded computer runs Linux on ARM operating system Kernel 3.18. This system is installable on the internal NAND Flash memory, or on an SD card in the front side slot. For boot from NAND Flash a system configuration with buildroot is supported. With Debian's repository database it is easy to install and update the free software on the Baltos. VS provides information for configuration and sample installations of Linux for Baltos.



  • Sitara AM3352 ARM Cortex-A8 RISC CPU @ 600MHz
  • 256MB DDR3
  • Real time clock with battery backup

Mass Storage

  • 256MB NAND Flash memory (bootable)
  • SD 2.0 / SDHC SD-card slot (bootable)


  • 1x 1000/100/10 Mbps Gigabit Ethernet
  • 4x 100/10 Mbps on integrated Fast Ethernet Switch

Expansion Slots

  • 1x miniPCIe via USB 2.0 (for GPS, GSM/3G/4G card)
  • SIM card for GSM/3G/4G modems in miniPCIe slot

Serial Peripherals

  • 2x USB 2.0 as Host
  • 1x USB 2.0 OTG
  • 2x RS232/422/485 high speed
  • 1x Console Port RS232
  • 1x I²C


  • 1x CAN High Speed, 20kbps up to 1Mbps
  • Signals: CAN_H, CAN_L, CAN_GND
  • VScom CAN API, CANFestival, CANopen, LinCAN

Digital Input/Output

  • 4x TTL Output signals (64mA sink / 32mA source)
  • 4x TTL Input signals
  • IRQ for input signals
  • Terminal block connector


  • 1x Power, 1x 3G, 1x WLAN, 1x Application
  • LAN: 5x Link and Speed

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  Serial Ports


  • 2x RS232/422/485
  • Highspeed UART, 64 Byte FIFO (16C750)
  • RS232: up to 921.6/1000 kbps
  • RS422/485: up to 3.7 Mbps

Available Modes

Configured by DIP-Switch or Software

  • RS232
  • RS422 full duplex
  • RS485 4-wire, full duplex
  • RS485 2-wire, half duplex, without echo


  • RS422: Tx+/-, Rx+/-, GND
  • RS485 2−wire: Data+/-, GND
  • RS485 4−wire: Tx+/-, Rx+/-, GND

RS485 Data Direction Control

Driver Automatic via RTS

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  Power and Environment


  • Input 12 - 50V DC
  • 0.2A @ 12V minimal
  • 0.8A @ 12V typical
  • 3-pin Terminal block connector
  • Auxiliary Output 5V @max. 0.5A on Digital-I/O connector


  • Operating −20°C - 65°C
  • Storage: −30°C - 85°C
  • Humidity: 10-85% non-condensing




  • EMC: FCC Class A, CE Class A
  • Environment: RoHS

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154×104×50 mm³ (W×L×H)



Construction Material

0.8mm Metalsheet black


  • DIN Rail
  • Wall mount

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  Software Specifications


Latest stable release available as ready-to-run SD card image or can be built/customized via vsdebootstrap project (Github)
BSP with Kernel and bootloader patches and basic configuration (Github)
layer-baltos with Kernel and bootloder patches suitable for new projects or integration into already available projects (Github)
Buildroot and Yocto are suitable for installation to NAND Flash

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  Ordering Information


OnRISC Baltos iR 5221

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WLAN Kit internal
internal module 802.11b/g/n, pigtail and antenna
Purchase time option, not for later retrofitting


WLAN Kit external
USB stick 802.11b/g/n, antenna


Power supply adapter 12V DC, 1A


Boot SD with Debian GNU/Linux installed (4/8GB)


GSM/UMTS mPCIe card for 3G modem


GSM/UMTS/LTE mPCIe card for 3G/4G modem


GPS mPCIe card for use of active antenna


Starter Kit

  • 4GB SD card for Linux
  • Power adapter 12V @ 1A
  • Adapter cable for console port
  • Documentation and Development Software on DVD

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Packing list

  • OnRISC Baltos iR 5221 system
  • Printed Quick Installation Guide
  • Terminal blocks for Power Supply, Digital-I/O, CAN Bus
  • DIN Rail Clamp
  • Wall mounting plates

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 (Edition: September 2015)
 (Edition: November 2015)
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