Comprehensive Product Summary – EX9132CST-DIO Serial-to-Ethernet Converter

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### 1. Product Overview

Product Name: EX9132CST-DIO
Model: EX9132CST-DIO
Series: ST ARM Cortex-M3 Ethernet Converter Series
Article Number: EX9132CST-DIO
Manufacturer: TOPSCCC (www.topsccc.com)

The EX9132CST-DIO is an industrial-grade Serial-to-Ethernet converter designed to connect legacy serial devices—such as PLCs, sensors, meters, and controllers—to modern TCP/IP networks. It supports RS-232, RS-422, and RS-485 serial interfaces and provides two digital input (DI) and two relay output (DO) channels. Built around the ST ARM Cortex-M3 32-bit processor, the converter offers high performance, low power consumption, and robust network connectivity for industrial automation and remote monitoring applications.

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### 2. Key Features

- Dual Serial Interface:
One RS-232 port (DB9 male) and one RS-422/485 port (auto-detect, terminal block).
Enables simultaneous connection of multiple serial devices to Ethernet.

- Digital I/O Integration:
Two digital input channels and two relay output channels (5V/12V selectable).
Allows remote monitoring and control of sensors, switches, and actuators.

- High-Performance Processor:
Powered by an ST ARM Cortex-M3 32-bit CPU running at 72 MHz, providing efficient data handling and low latency.

- Flexible Network Operation Modes:
Supports TCP Server, TCP Client, UDP, Virtual COM, and Pairing modes for versatile communication setups.

- Web-Based Configuration:
Configuration via standard web browsers (Internet Explorer, Netscape) using HTTP protocol.
No proprietary software required for setup.

- Dynamic IP Configuration:
DHCP client support for automatic IP assignment.

- Security and Reliability:
Password-protected login, built-in watchdog timer, and 1.5 kV magnetic isolation on Ethernet port.

- Firmware Upgradability:
Supports remote firmware updates via Ethernet to maintain compatibility with evolving network standards.

- Industrial-Grade Design:
Rugged metal housing, extended operating temperature range (-10°C to 70°C), and ESD protection (15 kV).

- Compatibility:
Works with Windows 2000/2003/XP/Vista/7/8/10 via Virtual COM software (downloadable).

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### 3. Technical Specifications

Processor & Memory:
- CPU: ST ARM Cortex-M3 32-bit, 72 MHz
- RAM: 64 KB SRAM
- ROM: 256 KB Flash ROM

Ethernet Interface:
- Connector: RJ-45
- Speed: 10/100 Mbps (auto-detect)
- Protocols: ARP, IP, ICMP, UDP, TCP, HTTP, DHCP
- Modes: TCP Server, TCP Client, UDP Client, Virtual COM, Pairing
- Configuration: HTTP browser setup
- Security: Login password protection
- Isolation: 1.5 kV magnetic isolation

Serial Interfaces:
- Ports: 2 (RS-232 ×1, RS-422/485 ×1 auto-detect)
- RS-232 Connector: DB9 male
- RS-422/485 Connector: Terminal block
- Baud Rate: 300 bps to 115.2 kbps
- Data Bits: 7 or 8
- Stop Bits: 1 or 2
- Parity: None, Odd, Even, Mark, Space
- RS-232 Signals: Rx, Tx, GND, RTS, CTS, DTR, DSR
- RS-422 Signals: Rx+, Rx-, Tx+, Tx- (surge and overcurrent protection)
- RS-485 Signals: Data+, Data- (surge and overcurrent protection)
- Built-in pull-up/pull-down resistors for RS-422/485

Digital I/O:
- Output Channels: 2 relay outputs (DO1, DO2)
- Input Channels: 2 digital inputs (DI1, DI2)
- Output Voltage: 5V or 12V selectable
- Relay Coil Voltage: 5V
- Contact Rating: 24VDC @10A / 120VAC @10A / 240VAC @7A
- Isolation Voltage: 3750 Vrms
- Input Logic Levels: Logic 0 = 0–1V, Logic 1 = 3.3–30V
- LED Indicators: DI1, DI2, DO1, DO2

Power Requirements:
- Input Voltage: 9–24 VDC
- Current: 500 mA
- Power Connector: DC jack (default) or terminal block (optional)

Environmental Conditions:
- Operating Temperature: -10°C to +70°C
- Storage Temperature: -20°C to +80°C
- Humidity: 5–95% non-condensing

Physical Characteristics:
- Dimensions: 150 mm (W) × 120 mm (D) × 30 mm (H)
- Weight: 900 g
- Housing: Metal (industrial-grade)
- Mounting: DIN-rail or panel mount (optional kit)

Certifications & Compliance:
- RoHS compliant
- FCC and CE certified

Warranty:
- 1-year limited warranty

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### 4. Functionality

The EX9132CST-DIO functions as a Serial-to-TCP/IP converter, bridging traditional serial communication devices with Ethernet networks. It encapsulates serial data into TCP/IP packets for transmission over LAN or WAN, enabling remote access and control of serial devices through standard network protocols.

Operation Modes:
- TCP Server Mode: Listens for incoming connections from remote clients.
- TCP Client Mode: Initiates connections to a designated server.
- UDP Mode: Supports broadcast or point-to-point communication.
- Virtual COM Mode: Emulates a serial COM port on a PC, allowing legacy software to communicate over Ethernet.
- Pairing Mode: Enables two converters to communicate directly over Ethernet, creating a transparent serial link.

Use Cases:
- Industrial automation and control systems
- Remote monitoring of sensors, meters, and PLCs
- Building management systems (BMS)
- SCADA and telemetry applications
- Data acquisition and logging systems

Compatibility:
Compatible with Windows operating systems via Virtual COM software. Configuration and monitoring can be performed through a web browser or the EX9132CST utility.

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### 5. Components & Accessories

Package Contents:
- 1 × EX9132CST-DIO converter unit
- 1 × Quick Installation Guide and software CD
- Optional: Power adapter (9V/12V/24VDC, 500 mA)
- Optional: DIN-rail mounting kit
- Optional: Power cable

Connectors:
- RS-232: DB9 male
- RS-422/485: Terminal block
- Ethernet: RJ-45
- Power: DC jack (default) or terminal block
- Digital I/O: Screw terminal block

Optional Accessories (available separately):
- DIN-rail mounting kit (€2)
- Power cable (€2)
- 12V power adapter (€9)

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### 6. Installation & Setup

Hardware Installation:
1. Mounting:
Install the converter on a DIN rail or panel using the optional mounting kit.
2. Power Connection:
Connect a 9–24VDC power supply (center positive). The power LED will indicate operation.
3. Network Connection:
Connect the RJ-45 Ethernet port to a network switch or hub. The LAN LED indicates link and activity.
4. Serial Connection:
Connect RS-232 or RS-422/485 devices using the appropriate connectors.
5. Digital I/O Wiring:
Connect sensors or relays to the DI/DO terminals as per the pin assignments.

Software Configuration:
- Use the EX9132CST.exe utility to detect and configure the device’s IP address.
- Access the web interface via browser (default IP 192.168.0.xxx or 192.168.1.xxx).
- Login with username “admin” (no password by default).
- Configure network parameters (IP, subnet mask, gateway) and serial port settings.
- Save and reboot to apply changes.

Reset Procedure:
- Press and hold the reset button for 3–4 seconds to restore factory defaults.
- Holding for more than 5 seconds enters firmware update mode.

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### 7. Performance & Capabilities

- Data Throughput: Supports serial speeds up to 115.2 kbps.
- Network Speed: 10/100 Mbps auto-negotiation.
- Latency: Optimized for low-latency serial-to-Ethernet conversion.
- Reliability: Watchdog timer ensures continuous operation; ESD protection (15 kV) safeguards against surges.
- Digital I/O Control: Real-time monitoring and control via TCP/IP commands.
- Loopback Testing: Supports RS-232, RS-422, and RS-485 loop tests for verification.
- Socket Connections: One active socket connection for remote management.
- Limitations: Single socket connection per device; not designed for high-speed serial applications beyond 115.2 kbps.

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### 8. Standards & Compliance

- Electrical Safety: Built-in surge and overcurrent protection on serial lines.
- Isolation: 1.5 kV magnetic isolation on Ethernet port; 3750 Vrms isolation on digital I/O.
- Environmental Compliance: RoHS compliant.
- Regulatory Approvals: FCC and CE certified for electromagnetic compatibility and safety.
- Firmware Standards: Supports TCP/IP, UDP, HTTP, DHCP, ICMP, and ARP protocols.
- Software Compatibility: Windows 2000 through Windows 10 supported for Virtual COM and configuration utilities.

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### 9. Additional Information

Warranty & Support:
- 1-year limited hardware warranty.
- Technical support available via manufacturer’s website (www.topsccc.com).
- Firmware updates and Virtual COM software downloadable online.

Maintenance:
- Periodic firmware updates recommended for optimal performance.
- Ensure proper ventilation and avoid exposure to moisture or extreme temperatures.
- Clean with a dry, lint-free cloth; avoid solvents.

Firmware & Software Updates:
- Firmware can be updated remotely via Ethernet using the web interface.
- Virtual COM driver updates available for Windows platforms.

Troubleshooting (FAQ Highlights):
- If the device is not detected, verify power and network connections.
- Ensure the PC and converter are on the same subnet.
- Disable firewalls temporarily during initial configuration.
- Use the reset button to restore factory defaults if configuration errors occur.

Pin Assignments (Summary):
- RS-232 (DB9): Pin 2 = RXD, Pin 3 = TXD, Pin 5 = GND, others for control signals.
- RS-422: T+, T-, R+, R-.
- RS-485: D+, D-.
- Digital I/O: DI1 (pins 3–4), DI2 (pins 5–6), DO1 (pins 7–9), DO2 (pins 10–12).

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### Summary

The EX9132CST-DIO is a robust, feature-rich Serial-to-Ethernet converter engineered for industrial and automation environments. With dual serial ports, integrated digital I/O, and a powerful ARM Cortex-M3 processor, it bridges the gap between legacy serial equipment and modern IP networks. Its web-based configuration, multiple communication modes, and industrial-grade protections make it a reliable choice for remote device management, data acquisition, and control applications.

Offering flexibility, durability, and ease of integration, the EX9132CST-DIO stands as a cost-effective solution for modernizing serial communication infrastructure while maintaining compatibility with existing systems.