IA3341
RISC-based fanless embedded computer with 2 serial ports, 4 DIs,
4 DOs, 2 AIs, 2 thermocouples, dual LANs, SD, Linux
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Highlights
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Moxa ART 32-bit ARM 9
Industrial Processor
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64 MB RAM, 16 MB Flash
onboard
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2 software selectable
RS-232/422/485 serial ports
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50 bps to 921.6 Kbps serial
speed, supporting
non-standard baudrates
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4 DIs and 4 DOs with 3 KV
digital isolation protection
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2 AIs and 2 thermocouple
inputs; sensor types J, K,
T, E, R, S, B, N
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Dual 10/100 Mbps Ethernet
ports for network redundancy
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SD socket for storage
expansion
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USB 2.0 host
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Supports Modbus TCP library
to retrieve AI and
thermocouple data
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Ready-to-run Linux Kernel
2.6 platform
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DIN-Rail and wall mount
installation
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Robust, fanless design
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Hardware Specifications |
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Computer |
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CPU |
MOXA ART ARM9 32-bit RISC CPU, 192 MHz |
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OS (pre-installed) |
Embedded Linux |
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DRAM |
64 MB onboard |
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Flash |
16 MB onboard |
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USB |
USB 2.0 host x 1 (type A connector) |
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Storage |
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Storage Expansion |
SD slot |
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Ethernet Interface |
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LAN |
2 auto-sensing 10/100 Mbps ports (RJ45) |
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Magnetic Isolation Protection |
1.5 KV built-in |
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• Serial
Interface |
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Serial Standards |
2 RS-232/422/485 ports, software-selectable (DB9
male) |
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ESD Protection |
15 KV for all signals |
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Console Port |
RS-232 (TxD, RxD, GND), 4-pin header output
(115200, n, 8, 1) |
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• Serial
Communication Parameters |
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Data Bits |
5, 6, 7, 8 |
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Stop Bits |
1, 1.5, 2 |
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Parity |
None, Even, Odd, Space, Mark |
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Flow Control |
RTS/CTS, XON/XOFF, ADDC® (automatic data
direction control) for RS-485 |
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Baudrate |
50 bps to 921.6 Kbps (supports non-standard
baudrates; see user's manual for details) |
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• Serial
Signals |
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RS-232 |
TxD, RxD, DTR, DSR, RTS, CTS, DCD, GND |
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RS-422 |
TxD+, TxD-, RxD+, RxD-, GND |
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RS-485-4w |
TxD+, TxD-, RxD+, RxD-, GND |
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RS-485-2w |
Data+, Data-, GND |
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Digital Input |
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Input Channels |
4, source type |
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Input Voltage |
0 to 30 VDC |
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Digital Input Levels for Dry Contacts |
• Logic level 0: Close to GND
• Logic level 1: Open |
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Digital Input Levels for Wet Contacts |
• Logic level 0: +2 V max.
• Logic level 1: +4 V to +30 V |
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Connector Type |
10-pin screw terminal block (4 points, COM, GND) |
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Isolation |
3 KV digital isolation |
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Digital Output |
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Output Channels |
4, sink type, keeps output status after hot
system reset |
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Output Range |
5 to 30 VDC at open collector to 30 V |
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Max. Load |
30 mA |
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Power Dissipation |
300 mW |
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Connector Type |
10-pin screw terminal block (4 points, GND) |
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Isolation |
3 KV digital isolation |
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• Analog
Input |
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Input Channels |
2 |
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Resolution |
16 bits |
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I/O Mode |
Voltage/Current |
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Input Range |
0-10 V, 4-20 mA |
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Accuracy |
• ±0.1% FSR @ 25°C
• ±0.3% FSR @ 10°C and 60°C |
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Sampling Rate |
12 samples/sec |
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Input Impedance |
200K ohms |
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Thermocouple Input |
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Input Channels |
2 |
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Sensor Types |
J, K, T, E, R, S, B, N |
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Sampling Rate |
12 samples/sec |
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Resolution |
16 bits |
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Accuracy |
• ±0.1% FSR @ 25°C
• ±0.3% FSR @ 10°C and 60°C |
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Input Impedance |
1M ohms |
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• LEDs |
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System |
Power, Ready, Storage |
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LAN |
10M/Link x 2, 100M/Link x 2 (on connector) |
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Serial |
TxD x 2, RxD x 2 |
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Reset Button |
Supports "Reset to Factory Default" |
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Physical Characteristics |
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Housing |
SECC sheet metal (1 mm) |
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Weight |
585 g |
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Dimensions |
116 x 35 x 146 mm (2.95 x 1.38 x 3.71 in) |
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Mounting |
DIN-Rail, wall |
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Environmental Limits |
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Operating Temperature |
-10 to 60°C (14 to 140°F) |
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Storage Temperature |
-20 to 80°C (-4 to 176°F) |
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Ambient Relative Humidity |
5 to 95% (non-condensing) |
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Anti-vibration |
2 g rms @ IEC 60068-2-34, random wave, 5-500 Hz,
1 hr per axis |
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Anti-shock |
20 g @ IEC 60068-2-27, half sine wave, 11 ms |
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• Power
Requirements |
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Input Voltage |
12 to 48 VDC (3-pin terminal block, V+, V-, SG) |
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Power Consumption |
5 W (with no load on the USB port)
• 106 mA @ 48 VDC
• 191 mA @ 24 VDC
• 351 mA @ 12 VDC
8.5 W (with load on the USB port)
• 176 mA @ 48 VDC
• 330 mA @ 24 VDC
• 661 mA @ 12 VDC |
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Standards and Certifications |
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Safety |
UL 60950-1, EN 60950-1, CCC (GB4943, GB9254,
GB17625.1) |
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EMC |
EN 55022 Class A, EN 61000-3-2 Class A, EN
61000-3-3, EN 55024, FCC Part 15 Subpart B Class
A |
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Green Product |
RoHS, CRoHS, WEEE |
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Reliability |
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Alert Tools |
Built-in buzzer and RTC (real-time clock) |
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Automatic Reboot Trigger |
Built-in WDT (watchdog timer) |
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MTBF (mean time between failures) |
333,363 hrs |
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Software Specifications |
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• Linux |
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OS |
Linux 2.6.9 |
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File System |
JFFS2 (for on-board flash) |
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Internet Protocol Suite |
TCP, UDP, IPv4, SNMPv1, ICMP, ARP, HTTP, CHAP,
PAP, DHCP, NTP, NFS, SMTP, Telnet, FTP, TFTP,
PPP, PPPoE |
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Internet Security |
OpenVPN, iptables firewall |
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Web Server (Apache) |
Allows you to create and manage web sites |
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Terminal Server (SSH) |
Provides secure encrypted communications between
two un-trusted hosts over an insecure network |
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Dial-up Networking |
PPP Daemon for Linux that 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). |
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Watchdog |
Features a hardware function to trigger system
reset in a user specified time interval (Moxa
API provided) |
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Application Development Software |
• 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 |
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Software Protection |
Encryption tool for user executable files (based
on patented Moxa technology) |
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