Description
The I/O Controller 2 bridges RS-232/485 serial devices and digital I/O with Ethernet connectivity, providing a versatile remote control and monitoring solution. It features 8 digital inputs (DI) and 8 open collector outputs (DO), which can be controlled via web interface or Modbus/TCP.
A full-featured RS-232/485 serial port allows remote access to serial devices, making it ideal for barcode/RFID scanners, vending machines, industrial sensors, security systems, and automation applications.
It supports Box-2-Box mode, allowing I/O mirroring between multiple devices over LAN. Additionally, the HW VSP3 software enables Windows applications to access remote serial ports as if they were connected locally.
Key Features
- Full RS-232 serial port (9 pins) & RS-485 support
- 8x Digital Inputs for switches, dry contacts, or 5-20V DC signals
- 8x Open Collector Digital Outputs for controlling relays, alarms, or lights
- Modbus/TCP support for SCADA integration
- Box-2-Box mode: Mirror digital inputs/outputs between multiple devices
- Built-in web server for easy configuration and control
- Telnet & TCP Server/Client for M2M communication
- Virtual Serial Port (VSP3) software for remote RS-232 device access
- DIN rail, wall, and rack mounting options
Technical Specifications
| Feature | Description |
|---|---|
| Digital Inputs | 8 dry contact inputs (5-20V DC) |
| Digital Outputs | 8 open collector outputs (50V, 500mA max) |
| Serial Ports | 1x RS-232 (9-pin), 1x RS-485 |
| Network Connectivity | Ethernet (10/100 Mbit), HTTP, Telnet, Modbus/TCP |
| Configuration | Web interface, Telnet |
| Power Supply | 9-30V DC (via jack or terminal block) |
| Power Consumption | 150mA |
| Operating Temperature | -10°C to 75°C |
| Storage Temperature | -30°C to 60°C |
| Humidity Range | 5% to 95% RH |
| Dimensions | 105 × 94 × 33 mm |
| Housing & Protection | Metal, IP40 |
Applications and Usage
- Remote control of industrial machines and sensors
- Serial-to-Ethernet conversion for legacy devices
- SCADA and Modbus/TCP integration
- Security and alarm system automation
- Vending machines and kiosk control
- Access control (RFID, door locks, intercoms)
- Remote relay activation (lights, sirens, HVAC systems)



















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