Why Choose the Unitronics IO-DI8-RO8 Digital I/O Expansion Module?
The Unitronics IO-DI8-RO8 is a robust and versatile digital I/O expansion module designed to increase the capabilities of compatible Unitronics Vision and OPLC control systems. Combining 8 digital inputs and 8 relay outputs within a compact housing, the module provides an efficient solution for industrial automation, machinery control and OEM applications.
Designed for 24V DC control systems, the IO-DI8-RO8 supports both PNP (source) and NPN (sink) input configurations, allowing seamless integration with sensors, switches, push buttons and signalling devices. The relay outputs provide reliable switching of AC and DC loads, making the module suitable for a wide variety of industrial control tasks.
With DIN rail mounting, integrated status diagnostics and a built-in 5kHz high-speed counter input, the IO-DI8-RO8 delivers dependable performance for machine automation, process control and monitoring applications.
Key Advantages
- Combines 8 digital inputs and 8 relay outputs in a single module.
- Designed for 24V DC industrial control systems.
- Supports both PNP and NPN sensor wiring.
- Integrated 5kHz high-speed counter functionality.
- Relay outputs suitable for switching AC and DC loads.
- Compact DIN rail-mounted design reduces panel space requirements.
- Compatible with selected Unitronics Vision and OPLC controllers.
Key Features
- Unitronics IO-DI8-RO8 digital I/O expansion module.
- 8 digital inputs.
- 8 relay outputs.
- 24V DC nominal operation.
- PNP (source) or NPN (sink) input compatibility.
- Input 7 supports 5kHz high-speed counting.
- 16-bit counter resolution.
- Green input and red output status LEDs.
- DIN rail or panel mounting options.
Reliable Digital Control and Monitoring
The Unitronics IO-DI8-RO8 enables engineers to expand PLC functionality by adding digital inputs and relay outputs without replacing existing controllers. The module is ideal for connecting sensors, switches, push buttons, contactors and signalling devices within industrial automation systems.
Its integrated high-speed counter capability supports pulse counting, encoder monitoring and frequency measurement applications, while the relay outputs provide dependable switching of motors, solenoids, relays and industrial control circuits.
Typical Applications
- Industrial machinery automation.
- Packaging and assembly equipment.
- Material handling systems.
- Conveyor control systems.
- OEM control panels.
- Pulse counting and encoder monitoring.
- Production line monitoring.
- Process automation systems.
