Moxa - EM-1240 Embedded Computer Module
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Features and Benefits
- MOXA ART ARM9 32-bit 192 MHz processor
- 16 MB RAM, 8 MB flash on-board
- 4 software-selectable RS-232/422/485 serial ports
- Dual 10/100 Mbps Ethernet for network redundancy
- RS-232 serial console port supporting PPP
- Ready-to-run μClinux Kernel 2.6 platform
- SD signals supported for external SD socket connection
- Built-in RTC, buzzer
- 10 GPIOs reserved for system integration
- Full-function development kit for quick evaluation and application development
Overview
The Moxa EM-1240 embedded module features 4 RS-232/422/485 serial ports, dual Ethernet ports and an SD socket for external storage expansion. The module has a compact design that can be easily integrated with related industrial applications, such as gas stations, vending machines, and ticketing machines, and offers a powerful serial communication capability for better system integration. Programmers will find that the pre-installed, ready-to-run μClinux platform and the full-function development kit make it easy to develop software and build a reliable communication base for industrial automation applications.
| • Computer | |
| CPU | MOXA ART ARM9 32-bit 192 MHz processor |
| OS (pre-installed) | Embedded μClinux (kernel 2.6.19) |
| DRAM |
16 MB onboard (32 MB for ODM) |
| Flash |
8 MB onboard (16 MB for ODM) |
| Storage Expansion | SD signals for external Secure Digital (SD) socket connection |
| • LAN Interface |
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| Ethernet |
Auto-sensing 10/100 Mbps x 2 |
| Magnetic Isolation Protection | 1.5 KV built-in |
| • Serial Interface |
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| Serial Standards | RS-232/422/485, software-selectable |
| Number of Ports | 4 |
| Serial Line Protection | 15 KV ESD protection for all signals |
| Console Port | RS-232, all signals, supports PPP |
| • 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 (supports non-standard baudrates; 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 |
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| System | Ready x 1 |
| LAN | 10M/Link x 2, 100M/Link x 2 |
| Serial | TxD, RxD (4 of each) |
| • Physical Characteristics |
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| Weight | EM-1240 Module: 50 g EM-1240 Development Kit: 200 g |
| Dimensions | EM-1240 Module: 90 x 80 mm (3.54 x 3.15 in) EM-1240 Development Kit: 177 x 115 mm (6.97 x 4.53 in) |
| Module Interface | Two 2 x 28 pin-headers (1.27 x 1.27 mm pitch) |
| • Environmental Limits | |
| Operating Temperature |
Standard model: -10 to 60°C (14 to 140°F) |
| Operating Humidity | 5 to 95% RH |
| Storage Temperature | Standard model: -20 to 80°C (-4 to 176°F) |
| • Power Requirements | |
| Input Voltage |
External 5 VDC through pin header |
| • Regulatory Approvals | |
| EMC | CE (EN55022 Class A, EN61000-3-2 Class A, EN61000-3-3, EN55024), FCC (Part 15 Subpart B, CISPR 22 Class A) |
| • Reliability | |
| Alert Tools |
Built-in buzzer and RTC (real-time clock) |
| Automatic Reboot Trigger |
Built-in WDT (watchdog timer) |
| • Warranty | |
| Warranty Period |
5 years |
| Details | See www.moxa.com/warranty |
| • software specifications (micro c linux) |
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| Kernel Version | 2.6.19 |
| Protocol Stack | ARP, ICMP, IPV4, TCP, UDP, FTP, Telnet, SNMP V1/V2c, HTTP, CHAP, PAP, DHCP, NTP, NFS V2/V3, SMTP, Telnet, PPP, PPPoE |
| File System | JFFS2, root file system (read only), and user directory (read/write) |
| Supporting Services and Daemons | Msh: Minix shell command pppd: Dial in/out over serial port daemon, including PPPoE (Point-to-Point over Ethernet) Snmpd: SNMP V1 Agent daemon Busybox: Linux normal command utility Tinylogin: login and user manager utility Telnetd: Telnet server daemon Telnet: Telnet client daemon Inetd: TCP server manager program ftpd: FTP server program ftp: FTP client program Boa: Web server daemon ntpdate: Network Time Protocol client utility |
| Tool Chain | Arm-elf-gcc: C/C++ PC Cross Compiler μClibc: POSIX standard C library |
Embedded Modules Series
| Ordering Info | Model No. | Description |
| Click here to order |
EM-1240-LX |
core module with 4 serial ports, dual LANs, SD, μClinux OS(Operating Temperature: -10 to 60°C) |
| Click here to order |
EM-1240-T-LX |
core module with 4 serial ports, dual LANs, SD, μClinux(Operating Temperature: -40 to 75°C) |
| Click here to order |
EM-1240 Development Kit |
Includes the EM-1240-DK snap-on testing board with built-in RJ45 LAN ports and DB9 male serial ports |
