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W321

RISC-based embedded Linux computers with WLAN, LAN, and 2 serial port

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Customization ServiceFeatures and Benefits 

  • MOXA ART ARM9 32-bit 192 MHz processor running Linux 2.6
  • 32 RAM, and 16 MB flash disk on board
  • 802.11a/b/g WLAN with repeater function
  • WEP, WPA, and WPA2 encryption
  • 10/100 Mbps Ethernet for network redundancy
  • SD socket for storage expansion
  • DIN-rail or wall-mount installation
  • Designed to withstand 5 g's of continuous vibration and 50-g shocks
  • Robust, fan-less design

 

Overview

The W321 is an embedded Linux computer that features 2 software selectable RS-232/422/485 ports, and support the IEEE 802.1a/b/g standards for WLAN connections. In addition, the computer has 1Ethernet port, and comes with an SD socket for storage expansion.The W321's Linux OS runs on the MOXA ART 32-bit ARM9 processor,and provides a powerful and reliable platform for harsh, industrial environments. You will find these computers ideal for a variety of machine-to-machine applications, including data acquisition, protocol conversion, and remote device control and monitoring.

Hardware Specifications
• Computer
CPU MOXA ART ARM9 32-bit 192 MHz
OS (pre-installed) Embedded Linux with MMU support
DRAM W311/321: 32 MB 
W341: 64 MB
Flash 16 MB
USB (W341 only) USB 2.0 compliant hosts x 2, type A connector
Relay Output (W341 only)
• Form C, SPDT x 1
• Normal Switching Capacity: 2 A @ 30 VDC
• Switching Power: 60 W max.
• Switching Voltage: 220 VDC max.
• Switching Current: 2 A max.
• Operating Time: 4 ms @ 20°C
• Initial Contact Resistance: 100 milli-ohm max.
• Storage
Storage Expansion SD slot
• Ethernet Interface
LAN 1 auto-sensing 10/100 Mbps port (RJ45)
Magnetic Isolation Protection 1.5 KV built-in
• WLAN Interface
Standard Compliance 802.11a/b/g
Radio Frequency Type DSSS, CCK, OFDM
Media Access Protocol CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
Tx Power (typical) • 5.15-5.35 GHz: 14 dBm @ 6 Mbps, 14 dBm @ 54 Mbps
• 5.725-5.825 GHz: 14 dBm @ 6 Mbps, 13 dBm @ 54 Mbps
• 2.412-2.483 GHz (802.11g): 17 dBm @ 6 Mbps, 15 dBm @ 54 Mbps
• 2.412-2.472 GHz (802.11b): 18 dBm @ 1-11 Mbps
Rx Sensitivity (typical) • 5.15-5.35 GHz: 6 Mbps @ -82 dBm, 54 Mbps @ -67 dBm
• 5.47-5.725 GHz: 6 Mbps @ -82 dBm, 54 Mbps @ -67 dBm
• 5.725-5.825 GHz: 6 Mbps @ -80 dBm, 54 Mbps @ -69 dBm
• 2.412-2.472 GHz (802.11g): 6 Mbps @ -84 dBm, 54 Mbps @ -69 dBm
• 2.412-2.472 GHz (802.11b): 11 Mbps @ -82 dBm, 1 Mbps @-90 dBm
Transmission Rate 54 Mbps (max.) with auto fallback (54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1 Mbps)
• 802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
• 802.11b: 1, 2, 5.5, 11 Mbps
Transmission Distance Up to 100 meters (@ 11 Mbps in open areas)
Antenna Connector Reverse SMA
Antenna External 2 dbi dipole antenna
Wireless Security WEP: 64-bit/128-bit, WPA, WPA2 data encryption
WLAN Modes Ad-hoc (802.11b/g), Infrastructure
• Serial Interface
Serial Standards 1, 2, or 4 RS-232/422/485 ports, software-selectable (DB9 male)
ESD Protection 15 KV ESD protection for all signals
Console Port RS-232 interface (TxD, RxD, GND), with 4-pin pin header output
• Serial Communication Parameters
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control RTS/CTS, XON/XOFF, ADDC® (automatic data direction control) for RS-485
Baudrate 50 bps to 921.6 Kbps (non-standard baudrates supported; see user's manual for details)
• Serial Signals
RS-232 TxD, RxD, DTR, DSR, RTS, CTS, DCD, GND
RS-422 TxD+, TxD-, RxD+, RxD-, GND
RS-485-4w TxD+, TxD-, RxD+, RxD-, GND
RS-485-2w Data+, Data-, GND
• LEDs
System Ready, SD
LAN 10M/Link, 100M/Link (on connector)
WLAN Enable, Signal Strength
Serial TxD, RxD
• Switches and Buttons
Reset Button Supports "Reset to Factory Default"
• Physical Characteristics
Housing Aluminum (1 mm)
Weight W311: 170 g
W321: 185 g
W341: 390 g
Dimensions (without ears or antenna) 
W311/W321: 77 x 111 x 26 mm (3.03 x 4.37 x 1.02 in) 
W341: 150 x 100 x 38 mm (5.91 x 3.94 x 1.50 in)
Mounting DIN-rail (requires optional DK-35A DIN-rail kit), wall
• Environmental Limits
Operating Temperature -10 to 60°C (14 to 140°F)
Storage Temperature -20 to 80°C (-4 to 176°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Anti-vibration 5 g's @ IEC-68-2-6, sine wave, 5-500 Hz, 1 Oct./min, 1 hr/axis
Anti-shock 50 g's @ IEC-68-2-6, half-sine wave, 30 ms
• Power Requirements
Input Voltage W311 and W321: 12 to 24 VDC 
W341: 12 to 48 VDC
Power Consumption W311/321: 4.8 W
• 200 mA @ 24 VDC
• 400 mA @ 12 VDC
W341:
With no load on USB ports: 7.2 W
• 300 mA @ 24 VDC
• 600 mA @ 12 VDC
With full load on USB ports: 14.4 W
• 600 mA @ 24 VDC
• 1200 mA @ 12 VDC
• Standards and Certifications
Safety UL 60950-1, EN 60950-1
EMC EN 55022 Class A, EN 61000-3-2, EN 61000-3-3, EN 55024
Radio EN 301 489-1/17, EN 301 893, EN 300 328, EN 50392, FCC Part 15, Subpart C/E
Wheeled Vehicles e-Mark (e13) (W311/321 only)
Green Product RoHS, CRoHS, WEEE
• Reliability
Alert Tools Built-in buzzer and RTC (real-time clock) with battery backup
Automatic Reboot Trigger Built-in WDT (watchdog timer) supporting 1-255 level time interval system reset, software programmable
MTBF (mean time between failures) W311: 501,331 hrs
W321: 367,253 hrs
W341: 284,702 hrs
• Warranty
Warranty Period 5 years
Details See http://www.moxa.com/support/warranty.htm
Software Specifications
• Linux
OS Linux 2.6.9
File System JFFS2 (for on-board flash)
Internet Protocol Suite TCP, UDP, IPv4, SNMPv1, ICMP, ARP, HTTP, CHAP, PAP, SSH 1.0/2.0, SSL, DHCP, NTP, NFS, Telnet, FTP, TFTP, PPP, PPPoE
Internet Security OpenVPN, iptables firewall
Web Server (Apache) Allows you to create and manage Web sites, supporting PHP and XML
Terminal Server (SSH) Provides secure encrypted communications between two un-trusted hosts over an insecure network.
Dial-up Networking PPP Daemon for Linux allows Unix machines to connect to the internet through dialup lines, using the PPP protocol, as a PPP server or client. Works with 'chat', 'dip', and 'diald', among (many) others. Supports IP, TCP, UDP and (for Linux) IPX (Novell).
Watchdog Features a software function to trigger system reset in a user specified time interval. (MOXA API provided)
Application Development • Moxa API Library (Watchdog timer, Moxa serial I/O control, Moxa DI/DO API)
• GNU C/C++ Cross-Compiler
• GNU C library
• GDB source-level debugging server
Software Protection Encryption tool for user executable files (based on patented Moxa technology)

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Available Models

  Model No. Description
W321-LX Mini RISC-based Ready-to-Run Wireless Embedded Computer with 2 Serial Ports, LAN, SD, Linux OS

Optional Accessories

RCore Software
  Model No. Description
Mass Configuration Tool A time-saving tool that helps users simultaneously deploy many tasks to Moxa’s embedded computers (available free)
MDM API Moxa Device Manager Application Program Interface (available free)
Mounting Kits
  Model No. Description
DK35A DIN-Rail Mounting Kit (35 mm)


     


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