1. Product Overview

Product Name: Matrix-704
Model / Article Number: Matrix-704
Series: Matrix-7xx Industrial IoT Gateway Series
Manufacturer: Artila Electronics Co., Ltd.
Product Type: Linux-ready Cortex-A5 Embedded Industrial Computer / IoT Gateway

The Artila Matrix-704 is a compact, low-power, ARM-based embedded industrial computer designed for automation, control, and IoT gateway applications. It belongs to Artila’s Matrix-7xx series, which integrates the Atmel ATSAMA5D35 Cortex-A5 processor and provides a robust Linux environment for industrial and embedded deployments. The Matrix-704 is engineered for reliability, extended temperature operation, and flexible connectivity, supporting multiple serial interfaces, CAN bus, Ethernet, and USB ports.

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2. Key Features

- Processor: Atmel ATSAMA5D35 ARM Cortex-A5 CPU, 536 MHz with integrated MMU.
- Operating System: Preinstalled Linux kernel 4.19.xx with Debian package management.
- Memory: 512 MB LPDDR2 SDRAM.
- Storage: 8 GB eMMC Flash memory; microSD slot supporting SDHC cards up to 128 GB.
- Networking: Dual Ethernet ports — one Gigabit (GbE) and one 10/100 Mbps (Fast Ethernet) with 1.5 kV magnetic isolation.
- Serial Communication:
- 4 × RS‑485 isolated ports (2500 Vrms isolation).
- 4 × RS‑485 non‑isolated ports.
- Auto direction control and software‑selectable RS‑232 mode on one port.
- CAN Bus: 2 × CAN 2.0 A/B compliant ports, isolated to 2500 Vrms, supporting up to 1 Mbps.
- USB: 4 × USB 2.0 host ports (480 Mbps high‑speed).
- Expansion: 1 × full‑size miniPCIe slot and 1 × micro‑SIM socket for wireless modules (3G/4G/LTE/Wi‑Fi).
- Power Input: 9 – 48 V DC via terminal block; typical consumption < 3 W (≈ 500 mA @ 12 V DC).
- Operating Temperature: 0 °C – 70 °C.
- Compact Design: 140 × 119.5 × 35.2 mm aluminum enclosure.
- Software Ecosystem: Debian‑based Linux with apt‑get package management, supporting Apache/Nginx web servers, MySQL/PostgreSQL databases, and scripting languages (Python, PHP, Node.js).
- Industrial Reliability: CE Class A and FCC Class A compliance, watchdog timer, RTC, and low‑power design.

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3. Technical Specifications

| Category | Specification |
|---------------|-------------------|
| CPU | Atmel ATSAMA5D35 ARM Cortex‑A5, 536 MHz |
| Memory | 512 MB LPDDR2 SDRAM |
| Flash Storage | 8 GB eMMC Flash |
| External Storage | 1 × microSD slot (SD 2.0 / SDHC, up to 128 GB) |
| Ethernet | 1 × Gigabit LAN (RJ‑45), 1 × 10/100 Mbps LAN (RJ‑45), 1.5 kV isolation |
| Serial Ports | 4 × RS‑485 isolated (2500 Vrms), 4 × RS‑485 non‑isolated; one port configurable as RS‑232 |
| CAN Bus | 2 × CAN 2.0 A/B, isolated 2500 Vrms, up to 1 Mbps |
| USB | 4 × USB 2.0 Host ports (Type‑A, 480 Mbps) |
| Expansion | 1 × miniPCIe (full‑size), 1 × micro‑SIM slot, 2 × SMA antenna holes reserved |
| Console Ports | 1 × micro‑USB console (CDC/ACM serial), 1 × internal serial console |
| Power Input | 9 – 48 V DC (terminal block), < 3 W typical |
| Dimensions | 140 × 119.5 × 35.2 mm |
| Weight | Approx. 340 g |
| Operating Temperature | 0 °C – 70 °C |
| Regulatory Compliance | CE Class A, FCC Class A |
| Mounting Options | Wall‑mount, optional DIN‑rail kit (DK‑35A) |

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4. Functionality

The Matrix‑704 functions as a compact embedded Linux computer and IoT gateway. It bridges industrial field devices with higher‑level networks or cloud systems. The device’s multiple serial interfaces (RS‑485, RS‑232, CAN) allow integration with PLCs, sensors, and controllers, while Ethernet and USB interfaces enable data aggregation, remote monitoring, and control.

Typical Use Cases:
- Industrial automation and SCADA systems.
- Building management and energy monitoring.
- Remote data acquisition and telemetry.
- IoT edge computing and protocol conversion (Modbus RTU/TCP, CANopen, MQTT).
- Mobile or distributed control gateways with cellular or Wi‑Fi modules via miniPCIe.

Compatibility:
The Matrix‑704 runs standard Linux distributions and supports Debian package management. It is compatible with Artila’s M‑A5D35 System‑on‑Module software environment, enabling developers to reuse code and tools across the Matrix‑7xx family.

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5. Components & Accessories

Included Components:
- Matrix‑704 main unit with preinstalled Linux OS.
- Quick start documentation.

Optional Accessories:
- CB‑PHDF9‑050 (91‑PHDF9‑050): Console cable (Wafer box to DB9 female, 50 cm).
- DK‑35A (36‑DK35A‑000): DIN‑rail mounting kit.
- PWR‑12V‑1A (31‑62100‑000): 110 – 240 VAC to 12 V DC 1 A power adapter.

Connectors:
- Terminal blocks for RS‑485 and power input.
- RJ‑45 connectors for Ethernet.
- Type‑A USB ports.
- Micro‑USB console port.
- Internal miniPCIe and micro‑SIM sockets.
- Reserved SMA antenna holes for wireless modules.

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6. Installation & Setup

Power Requirements:
Supply 9 – 48 V DC via terminal block or 12 V DC via DC jack. Typical consumption is under 3 W.

Mounting Options:
- Wall‑mounting holes integrated into chassis.
- Optional DIN‑rail mounting using DK‑35A kit.

Configuration & Setup:
- Connect via micro‑USB console (CDC/ACM serial) using 115200 bps, N81, VT100 terminal.
- Default login: `root` / `root`.
- Network defaults:
- `eth0` (Gigabit): DHCP.
- `eth1` (10/100 Mbps): 192.168.2.127 / 255.255.255.0.
- Supports SSH access, Webmin administration, and apt‑get package management.
- Boot options: from eMMC or microSD.
- Reset button functions (typical for Matrix‑7xx):
- < 3 s press → reboot.
- 3–10 s press → reset network to factory defaults.
- > 10 s press → restore firmware from SD card.

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7. Performance & Capabilities

- Processing Performance: 536 MHz ARM Cortex‑A5 with MMU, optimized for low‑power embedded tasks.
- Memory Bandwidth: LPDDR2 512 MB ensures stable multitasking for Linux services.
- Storage Performance: 8 GB eMMC with EXT4 file system; supports boot from SD card for backup or recovery.
- Networking: Dual Ethernet interfaces allow separation of LAN/WAN or redundant network paths.
- Serial Throughput: RS‑485 ports support up to 921.6 kbps; CAN bus up to 1 Mbps.
- Power Efficiency: < 3 W typical consumption enables fanless operation and extended uptime.
- Reliability: Hardware watchdog and RTC ensure continuous operation in unattended environments.
- Limitations: Not intended for high‑performance computing; optimized for control, communication, and gateway roles.

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8. Standards & Compliance

- Electrical Isolation:
- RS‑485 ports: 2500 Vrms isolation.
- CAN bus ports: 2500 Vrms isolation.
- Ethernet ports: 1.5 kV magnetic isolation.
- Regulatory Certifications:
- CE Class A (EMC compliance for industrial environments).
- FCC Class A (U.S. EMI compliance).
- Environmental:
- Operating temperature: 0 °C – 70 °C.
- Humidity: 5 – 95 % non‑condensing (typical).
- Software Standards:
- Linux 4.19.x kernel with EXT4 file system.
- Debian‑based package management (APT).
- Supports IPv4, TCP/IP, UDP, DHCP, NTP, FTP, HTTP, SSH, SSL, SNMP v1/v3.
- CAN Compliance: CAN 2.0 A/B standard.
- SD Compliance: SD 2.0 / SDHC.

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9. Additional Information

Warranty & Support:
Artila Electronics provides standard warranty coverage for manufacturing defects and offers technical support through documentation, online resources, and firmware updates.

Maintenance:
- System can be restored to factory defaults via console command (`restore factory`).
- Backup and restore of file system supported via USB drive (`backup /dev/sda1`, `restore /dev/sda1`).
- Watchdog and RTC ensure system recovery and timekeeping.

Software Updates:
- Kernel and package updates available through Artila’s self‑maintained Debian repository.
- Supports apt‑get for installing or upgrading software packages.

Development Environment:
- Toolchain: gcc 8.2.0 + glibc 2.28 (Matrix‑704) or gcc 6.2.0 + glibc 2.24 (Matrix‑710 reference).
- Supports in‑place C/C++ compilation and cross‑compilation via Yocto SDK.
- Compatible with Eclipse IDE integration and Yocto Project ADT plug‑ins.
- Supports scripting languages (Python 2.7/3.x, PHP, Perl, Node.js).

Web & Database Services:
- Web servers: Apache, Nginx, Lighttpd.
- Databases: MySQL, SQLite3, PostgreSQL.
- Administration: Webmin web‑based management interface (default port 10000).

Peripheral & I/O Control:
- GPIO accessible via Linux sysfs interface.
- Supports digital I/O, LED indicators, and optional GNSS/IMU modules (on higher models).
- USB Wi‑Fi dongle support (RTL8192/RT5390 chipsets).

Backup & Recovery:
- Factory restore and file system backup via USB or SD card.
- LED indicators show progress during restore/backup operations.

Physical & Environmental Durability:
- Fanless aluminum enclosure for industrial environments.
- Designed for continuous 24/7 operation.

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Summary

The Artila Matrix‑704 is a Linux‑ready, ARM Cortex‑A5‑based embedded computer optimized for industrial IoT gateway applications. Combining low power consumption (< 3 W), wide‑range DC input (9–48 V), and extensive connectivity (RS‑485, CAN, Ethernet, USB, miniPCIe), it provides a flexible platform for automation, data acquisition, and remote management. Preinstalled with Linux 4.19.x and Debian package management, it supports a full suite of open‑source tools and protocols, enabling rapid development and deployment of industrial applications.

With its rugged design, isolation protection, and compliance with CE/FCC Class A standards, the Matrix‑704 delivers reliable performance in demanding environments such as factories, utilities, and transportation systems. Its modular expansion options and comprehensive software ecosystem make it a versatile choice for system integrators and developers building next‑generation industrial IoT solutions.