Comprehensive Product Summary: TOPSCCC EX9188E3-512 Embedded DOS System

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### 1. Product Overview

Product Name: EX9188E3-512
Model: EX9188E3-512
Series: EX9188E Embedded Controller Series
Article Number: EX9188E3-512
Manufacturer: TOPSCCC (Taiwan)

The TOPSCCC EX9188E3-512 is an industrial-grade embedded DOS controller designed for Ethernet-based automation and communication applications. It integrates multiple serial interfaces (2 × RS-232, 1 × RS-485) and a 10Base-T Ethernet port, enabling seamless serial-to-Ethernet conversion and remote device management. Built around an Intel 80188 40 MHz CPU, the unit features 512 KB Flash memory, 512 KB SRAM, and a built-in real-time clock (RTC). Its fanless, compact, and ruggedized design allows reliable operation in harsh industrial environments, with DIN-rail mounting support and extended temperature tolerance.

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### 2. Key Features

- Embedded DOS Platform: Runs Datalight ROM-DOS with MiniBIOS and Sockets for TCP/IP networking.
- CPU: Efficient Intel 80188 processor operating at 40 MHz.
- Memory: 512 KB Flash memory and 512 KB static RAM for program and data storage.
- Networking: Integrated 10Base-T Ethernet interface (RJ-45) for LAN connectivity.
- Serial Communication:
- 2 × RS-232 ports (one with 5-wire hardware flow control).
- 1 × RS-485 port with automatic direction control.
- Real-Time Clock (RTC): Built-in RTC for timekeeping and scheduling.
- Display: Integrated 5-digit 7-segment LED display for system status and configuration feedback.
- Fanless Design: Passive cooling ensures silent, maintenance-free operation.
- Industrial Durability: Compact, vibration-resistant housing suitable for DIN-rail mounting.
- Virtual COM Port Support: VSP/VirCOM software enables transparent serial-over-Ethernet communication.
- ROM-DOS Environment: Supports standard DOS commands, file management, and embedded application execution.
- Utility Suite: Includes tools for configuration, file transfer, ROM updates, and diagnostics (e.g., XM.EXE, TOROM.EXE, INFOSER.EXE, XPING.EXE).
- Software Libraries: Comprehensive C libraries for Flash, NVRAM, LED, COM port, timer, and socket API functions.
- Network Transparency: Allows legacy COM-based applications to operate over TCP/IP without modification.

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### 3. Technical Specifications

Processor: Intel 80188, 40 MHz
Memory:
- 512 KB SRAM (0x00000–0x7FFFF)
- 512 KB Flash (0x80000–0xFFFFF)
- ROM-DOS: 48 KB (0xF0000–0xFBFFF)
- MiniBIOS: 8 KB (0xFE000–0xFFFFF)
- Reserved: 8 KB (0xFC000–0xFDFFF)

Storage: ROM-Disk and optional RAM-Disk (VDISK.SYS configurable up to 64 KB default).
Interfaces:
- Ethernet: 10Base-T (RJ-45, RTL8019 controller, I/O 0x300–0x3FF)
- RS-232: 2 ports (COM1–COM2, 5-wire hardware flow control on COM1)
- RS-485: 1 port (auto-direction control)
- Add-on Card Interface: 16C550 UARTs (I/O 0x000–0x0FF)
- LED Display: 5-digit 7-segment
- INIT* Pin: For boot mode selection and firmware update

Default Serial Configuration:
| Port | Baudrate | Data Bits | Parity | Stop Bits |
|------|-----------|------------|---------|------------|
| COM1 | 57600 | 8 | None | 1 |
| COM2–COM8 | 9600 | 8 | None | 1 |

Power Supply: External DC input (specifications depend on installation model).
Operating System: Datalight ROM-DOS with MiniBIOS and Sockets TCP/IP stack.
Physical Design:
- Compact, fanless enclosure
- DIN-rail mountable
- Industrial-grade vibration and shock resistance

Weight & Dimensions: Not explicitly stated; compact embedded form factor suitable for control cabinets.
Operating Temperature: Wide industrial range (typical -20 °C to +70 °C).

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### 4. Functionality

The EX9188E3-512 functions as a network-based embedded controller and serial-to-Ethernet converter. It allows remote access and control of serial devices via TCP/IP networks. The system can be integrated into existing LAN infrastructures, enabling centralized management of distributed RS-232/RS-485 devices.

Operational Modes:
- TCP Mode: Normal operation for Ethernet communication.
- ROM-DOS Mode: Activated via INIT* pin for local DOS-level access and configuration.

Use Cases:
- Industrial automation and SCADA systems.
- Remote monitoring and control of serial instruments.
- Data acquisition and logging over Ethernet.
- Legacy system integration with modern network infrastructure.
- Embedded control applications requiring deterministic DOS environment.

Compatibility:
- Works with standard Ethernet networks (10Base-T).
- Supports VSP/VirCOM drivers for Windows-based virtual COM port mapping.
- Compatible with Datalight Sockets API for embedded TCP/IP applications.

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### 5. Components & Accessories

Included Components:
- EX9188E3-512 main module.
- Built-in 5-digit LED display.
- RS-232 and RS-485 communication ports.
- Ethernet RJ-45 port.
- Real-time clock and NVRAM.

Software Utilities (preloaded or downloadable):
- XM.EXE: File transfer utility (XMODEM protocol).
- ROMDISK.EXE: Creates ROM-DOS image files.
- TOROM.EXE: Transfers ROM images to Flash memory.
- VDISK.SYS: Configures virtual RAM disk.
- INFOSET.EXE: Modifies model, IP, gateway, and COM settings.
- N.COM / SOCKETP.EXE: Enables TCP/IP stack and Ethernet communication.
- XPING.EXE: Network connectivity test utility.
- XCOM.EXE: Server program for command and data handling.
- NETTEST: PC-based diagnostic and communication tool.

Optional Accessories:
- Add-on cards (e.g., AD/DA, digital I/O expansion).
- External power supply (model-dependent).
- VSP/VirCOM driver software (downloadable from TOPSCCC or Easyunet).

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### 6. Installation & Setup

Mounting Options:
- DIN-rail mounting for industrial control panels.
- Compact form factor suitable for embedded enclosures.

Setup Procedure:
1. Connect COM1 of EX9188E3-512 to PC COM port.
2. Configure HyperTerminal (57600 bps, 8 N 1, no flow control).
3. Power on the device (default TCP mode).
4. To enter ROM-DOS mode, momentarily connect INIT* pin to GND during boot.
5. Use DOS prompt (A:\>) for configuration and file management.
6. Modify network and serial settings using INFOSET.EXE.
7. Enable network functions by executing NET.BAT (runs N.COM and SOCKETP.EXE).

Configuration Parameters (via INFOSET.EXE):
- Model number
- MAC address (read-only)
- IP address, subnet mask, gateway
- Baud rate, data bits, parity, stop bits per COM port
- Flow control enable/disable
- Factory reset option

Firmware Update:
- Use TOROM.EXE and XMODEM protocol to upload new ROM images.
- Ensure INIT* pin is disconnected before completion to prevent system hang.

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### 7. Performance & Capabilities

Processing Speed: 40 MHz 80188 CPU ensures responsive real-time control.
Memory Performance: 512 KB SRAM for runtime operations; 512 KB Flash for firmware and ROM-DOS storage.
Networking:
- 10Base-T Ethernet (10 Mbps) with TCP/IP stack.
- Supports up to 255 virtual COM ports via VSP/VirCOM.
- TCP port 10000 reserved for command channel; ports 10000+n for COMn data channels.

Serial Communication:
- RS-232 and RS-485 interfaces support baud rates from 1200 bps to 115200 bps.
- Configurable data bits (5–8), parity (none/even/odd), and stop bits (1–2).
- Hardware flow control available on COM1.

System Indicators:
- 5-digit LED displays IP address, baud rates, and COM configurations sequentially.
- LED intensity and test modes configurable via software.

Limitations:
- Limited memory footprint (512 KB Flash/SRAM) restricts large application deployment.
- 10Base-T Ethernet speed suitable for control and monitoring, not high-throughput data transfer.

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### 8. Standards & Compliance

Networking Standards:
- IEEE 802.3 10Base-T Ethernet compliance.
- RS-232 and RS-485 serial communication standards.

Software Standards:
- Datalight ROM-DOS compatible with MS-DOS applications.
- Datalight Sockets API compliant with standard TCP/IP protocols.

Regulatory Compliance:
- Designed for industrial environments with EMC and vibration resistance (manufacturer-specific certifications apply).

Industry Compatibility:
- Integrates with SCADA, PLC, and industrial automation systems.
- Supports Modbus mode (for EX9188E_MTCP variant).

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### 9. Additional Information

Warranty: Standard manufacturer warranty (typically 1 year, depending on region).
Support:
- Technical documentation and software available at [www.topsccc.com.tw](http://www.topsccc.com.tw).
- VSP/VirCOM drivers downloadable from TOPSCCC or Easyunet websites.
- Datalight support for ROM-DOS and Sockets components.

Maintenance:
- Fanless design minimizes maintenance.
- Firmware updates via TOROM.EXE utility.
- Configuration backup through INFOSET.EXE and EEPROM storage.

Software Development:
- C libraries provided for hardware control (Flash, NVRAM, LED, COM, Timer, Socket API).
- Supports custom embedded applications using Datalight Sockets 2.0 Developer’s Guide.

Example Library Functions:
- Flash: `FlashReadId()`, `FlashWrite()`, `FlashErase()`.
- NVRAM: `ReadNVRAM()`, `WriteEEP()`.
- LED: `Show5DigitLed()`, `Set5DigitLedIntensity()`.
- COM Port: `InstallCom()`, `ReadCom()`, `ToCom()`.
- Timer: `DelayMs()`, `StopWatchStart()`, `CountDownTimerStart()`.
- Socket API: `ConnectSocket()`, `WriteSocket()`, `ICMPPing()`, `ResolveName()`.

System Utilities Summary:
| Utility | Function |
|----------|-----------|
| XM.EXE | File upload/download via XMODEM |
| ROMDISK.EXE | Create ROM-DOS image |
| TOROM.EXE | Flash ROM update |
| VDISK.SYS | Configure RAM disk |
| INFOSET.EXE | Modify system/network settings |
| N.COM / SOCKETP.EXE | Enable TCP/IP stack |
| XPING.EXE | Network test |
| XCOM.EXE | Server for command/data handling |
| NETTEST | PC-side diagnostic tool |

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### Summary

The TOPSCCC EX9188E3-512 is a robust, fanless embedded DOS controller optimized for industrial Ethernet and serial communication applications. Combining a 40 MHz Intel 80188 CPU, 512 KB Flash/SRAM, and integrated Ethernet, RS-232, and RS-485 interfaces, it provides a reliable platform for remote device control, data acquisition, and automation. Its compatibility with Datalight ROM-DOS and Sockets ensures stable operation and easy integration with legacy systems. With virtual COM port support, comprehensive utilities, and a durable industrial design, the EX9188E3-512 delivers a versatile and cost-effective solution for networked embedded control environments.