Comprehensive Product Summary: Aport-212PG Cortex M3 FreeRTOS Programmable Gateway

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### 1. Product Overview

Product Name: Aport-212PG
Model: Aport-212PG
Series: Aport Programmable Gateway Series
Article Number: Aport-212PG
Manufacturer: Artila Electronics Co., Ltd.

The Aport-212PG is a compact, industrial-grade programmable gateway designed for serial-to-Ethernet communication and Modbus protocol conversion. Built around the NXP LPC1768 Cortex-M3 microcontroller and running the FreeRTOS real-time operating system, it provides a flexible, programmable platform for embedded communication applications. The device integrates dual configurable serial ports, a 10/100 Mbps Ethernet interface, and robust isolation and ESD protection, making it suitable for industrial automation, remote monitoring, and data acquisition systems.

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### 2. Key Features

- Programmable Gateway Platform: Based on the NXP LPC1768 ARM Cortex-M3 MCU with FreeRTOS, supporting C/C++ development using the GCC Sourcery C++ Lite toolchain.
- Dual Configurable Serial Ports: Two independent serial interfaces (1 × RS-232/422/485 and 1 × RS-232/485) with DB9 male connectors, each configurable for Modbus RTU/ASCII Master or Slave operation.
- Modbus Protocol Conversion: Acts as a gateway between Modbus TCP and Modbus RTU/ASCII networks, supporting up to 16 Modbus TCP Masters and 32 Modbus TCP Slaves per serial port.
- Serial-to-Ethernet (S2E) Functionality: Provides transparent serial-to-Ethernet data tunneling in TCP server or client mode.
- Industrial-Grade Design: 15 kV ESD protection on serial ports, 1500 V magnetic isolation on Ethernet, and wide 9–40 VDC power input range.
- Flexible Configuration Interfaces: Supports configuration via Web console, Telnet, serial console, and Windows-based Manager Utility software.
- Compact DIN-Rail Mountable Enclosure: Designed for easy integration into industrial control panels.
- Comprehensive LED Indicators: Power, Ready, Link/Activity, and RX/TX LEDs provide real-time operational status.
- Wide Operating Temperature Range: 0°C to 70°C for reliable performance in industrial environments.

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### 3. Technical Specifications

Processor & Memory
- CPU: NXP LPC1768, 32-bit ARM Cortex-M3 microcontroller
- Operating System: FreeRTOS (real-time operating system)
- Memory: 32 KB SRAM, 512 KB Flash

Serial Communication Interfaces
- Port 1: RS-232/422/485 (DB9 male)
- Port 2: RS-232/485 (DB9 male)
- Baud Rate: 1200 to 921,600 bps
- Data Bits: 5, 6, 7, or 8
- Stop Bits: 1 or 2
- Flow Control: None, Hardware, or Xon/Xoff
- ESD Protection: 15 kV
- Operation Modes:
- Modbus Gateway (Slave RTU, Slave ASCII, Master RTU, Master ASCII)
- S2E Gateway (TCP Server, TCP Client)

Ethernet Interface
- Speed: 10/100 Mbps
- Connector: RJ45
- Protocols: TCP/IP (lwIP stack, BSD socket compatible)
- Isolation: 1500 V magnetic isolation

Serial Console Port
- Interface: RS-232
- Baud Rate: 115200 bps
- Data Bits: 8
- Stop Bits: 1
- Flow Control: None

Power Supply
- Input Voltage: 9–40 VDC
- Connectors: Power jack and terminal block
- Power LED: Solid yellow when power is correctly applied

Physical Characteristics
- Dimensions: 108 × 78 × 25 mm (H × W × D)
- Weight: Approx. 200 g (typical)
- Mounting: DIN-rail (optional DK-35A kit)

Environmental Conditions
- Operating Temperature: 0°C to 70°C
- Storage Temperature: -20°C to 85°C
- Humidity: 5–95% RH (non-condensing)

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### 4. Functionality

The Aport-212PG functions as a versatile communication gateway bridging Ethernet and serial-based devices. It supports multiple operational modes:

#### Modbus Gateway Mode
- Converts Modbus TCP messages to Modbus RTU/ASCII and vice versa.
- Each serial port can independently operate as a Modbus Master or Slave.
- Supports up to 16 Modbus TCP Masters accessing a single serial port.
- Supports up to 32 Modbus TCP Slaves when operating as a Master.
- Provides buffering for up to 64 simultaneous TCP requests.
- Supports configurable Unit ID (UID) mapping and address offset for flexible device addressing.
- Implements timeout and TCP exception handling for communication reliability.

#### S2E (Serial-to-Ethernet) Mode
- Provides transparent data tunneling between serial and Ethernet interfaces.
- Operates in either TCP Server or TCP Client mode.
- Configurable data packing options: by length, interval timeout, or delimiter characters (e.g., CR/LF).

#### Configuration & Management
- Web Console: Accessible via browser at `http://192.168.2.127:5003` for configuration and monitoring.
- Telnet Console: Command-line configuration via port 5001.
- Serial Console: Local configuration via RS-232 console port.
- Windows Utility: Manager Utility software for device discovery, configuration, and firmware updates.

#### Use Cases
- Industrial automation and control systems
- Remote data acquisition and monitoring
- Integration of legacy serial devices into Ethernet networks
- Modbus protocol conversion between TCP and RTU/ASCII devices
- Transparent serial communication over IP networks

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### 5. Components & Accessories

Included in Package:
1. Aport-212PG Modbus Gateway unit
2. Artila CD containing Manager Utility software, documentation, and development tools

Optional Accessories:
- CB-RJ2CON-100: Serial console cable
- DK-35A: DIN-rail mounting kit
- PWR-12V-1A: 110–240 VAC to 12 VDC, 1 A power adapter

Connectors:
- Power jack and terminal block for DC input
- RJ45 Ethernet port
- DB9 male connectors for serial ports
- RS-232 console port

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### 6. Installation & Setup

Power Connection:
Connect a 9–40 VDC power source via the terminal block or power jack. The Power LED illuminates solid yellow when power is correctly applied.

Mounting:
DIN-rail mounting is supported using the optional DK-35A kit. The compact 108 × 78 × 25 mm enclosure allows easy integration into control cabinets.

Network Configuration:
Factory default network settings:
- IP Address: 192.168.2.127
- Netmask: 255.255.255.0
- Web Console Port: 5003
- Telnet Console Port: 5001

Serial Configuration (Default):
- Interface: RS-232
- Baud Rate: 115200 bps
- Data Bits: 8
- Stop Bits: 1
- Parity: None
- Flow Control: None

LED Indicators:
- Power LED: ON when power is applied
- Ready LED: ON when firmware is initialized
- Link/Act LED: ON when Ethernet link is active; flashes with network activity
- RX/TX LED: Dual-color indicator (Yellow = RX, Green = TX)

Software Setup:
1. Install the Manager Utility from the Artila CD.
2. Use the broadcast search function to discover devices on the network.
3. Configure operation mode (Modbus Gateway or S2E) and communication parameters.
4. Save settings and reboot the device.

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### 7. Performance & Capabilities

- Serial Communication Speed: Up to 921,600 bps
- Ethernet Throughput: 10/100 Mbps auto-negotiation
- Concurrent Connections:
- Up to 16 Modbus TCP Masters per serial port
- Up to 32 Modbus TCP Slaves per serial port
- Buffering: Up to 64 concurrent TCP requests
- Response Timeout: Configurable for serial slave response monitoring
- TCP Exception Handling:
- Code 0x0A: Unknown UID or TCP request overflow
- Code 0x0B: Serial slave timeout
- Data Packing Options (S2E Mode):
- Force Length
- Interval Timeout
- Delimiter Character (up to two bytes, e.g., 0D0A for CR/LF)
- Reliability:
- 15 kV ESD protection on serial ports
- 1500 V Ethernet isolation
- Watchdog and timeout mechanisms for stable operation

Limitations:
- Designed for industrial and automation environments; not intended for high-bandwidth data streaming.
- Limited to Modbus and transparent serial communication protocols.

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### 8. Standards & Compliance

- Communication Standards:
- RS-232, RS-422, RS-485 serial standards
- IEEE 802.3 10/100Base-T Ethernet
- Modbus RTU, Modbus ASCII, Modbus TCP protocols

- Electrical & Safety:
- 15 kV ESD protection (serial ports)
- 1500 V magnetic isolation (Ethernet)
- Wide-range DC power input (9–40 VDC)

- Software & Development:
- FreeRTOS real-time operating system
- GCC Sourcery C++ Lite toolchain support

- Environmental Compliance:
- RoHS compliant materials
- Industrial temperature range operation

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### 9. Additional Information

Warranty & Support:
Artila provides standard manufacturer warranty covering defects in materials and workmanship. Technical support and firmware updates are available through Artila’s official website and support channels.

Maintenance:
- Periodic firmware updates recommended for performance and security improvements.
- Configuration backup via Manager Utility or CLI commands.
- Device reboot and factory reset available via software or hardware interface.

Firmware & Software Updates:
- Firmware upgrade supported via Manager Utility “Upgrade Firmware” function.
- Configuration reset and reboot available through Web or Telnet console.

Security & Access Control:
- Password protection for Web and Telnet consoles (default disabled).
- Accessible IP filtering to restrict remote access.
- Configurable idle and alive timeouts for session management.

Development & Customization:
- Programmable using C/C++ under FreeRTOS.
- Supports user-defined applications and protocol extensions.
- Command Line Interface (CLI) for automation and integration with custom management tools.

Command Interface Example:
- Get IP: `G:ip_ip=`
- Set IP: `S;ip_ip=192.168.2.127`
- Save & Reboot: `S;save=1 & reboot=1`

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### Summary

The Artila Aport-212PG is a robust, programmable industrial gateway that bridges serial and Ethernet communication networks. With its dual configurable serial ports, Modbus protocol conversion capabilities, and FreeRTOS-based programmable environment, it provides a flexible solution for system integrators and automation engineers. Its compact DIN-rail form factor, wide power input range, and industrial-grade protection make it ideal for deployment in harsh environments. The combination of Web, Telnet, and serial configuration interfaces ensures ease of setup and management, while its open development platform allows for extensive customization and integration into diverse industrial applications.