UID-0808R Unistream Input/Output Expansion Module with 8 Digital Isolated Inputs and 8 Relay Outputs

Why Choose the Unitronics UID-0808R Digital I/O Expansion Module?

The Unitronics UID-0808R is a versatile digital input and relay output expansion module designed for the Unitronics UniStream PLC platform. Combining both digital inputs and relay outputs within a single module, it provides a compact and efficient solution for industrial automation, machine control and process applications.

As part of the advanced Uni-I/O expansion series, the UID-0808R integrates seamlessly with UniStream controllers and HMI systems, enabling engineers to expand control system functionality while minimising panel space and installation complexity. The module supports both sourcing and sinking input devices and provides relay outputs capable of switching AC and DC loads.

Featuring 8 digital inputs and 8 relay outputs, the UID-0808R offers a flexible combination of monitoring and control capabilities. Its isolated input and output groups improve reliability and help protect connected equipment in demanding industrial environments.

Key Advantages

• 8 digital inputs and 8 relay outputs in one compact module.
• Compatible with the complete Unitronics UniStream platform.
• Supports both PNP and NPN input wiring.
• Relay outputs suitable for AC and DC loads.
• Electrical isolation improves system reliability.
• Compact design reduces control panel space requirements.
• Simple integration using UniLogic software.
• Ideal for industrial machinery, OEM equipment and automation systems.

Key Features

• Unitronics Uni-I/O Series.
• 8 digital inputs.
• 8 relay outputs.
• Sink (PNP) and source (NPN) compatible inputs.
• SPST-NO (Form A) relay output contacts.
• 2 A maximum output current per relay.
• Two isolated input groups.
• Two isolated relay output groups.
• Status LEDs for diagnostics and monitoring.
• Compatible with UniStream Built-in and Modular PLC systems.
• DIN rail or local expansion mounting capability.

Technical Specifications

• Manufacturer: Unitronics
• Series: Uni-I/O
• Model: UID-0808R
• Product type: Digital mixed I/O expansion module
• Digital inputs: 8
• Input type: Sink (PNP) or Source (NPN)
• Input voltage: 24 VDC
• Digital outputs: 8 relay outputs
• Output type: SPST-NO relay contacts
• Maximum output current: 2 A per output (resistive load)
• Maximum switching voltage: 250 VAC / 30 VDC
• Input isolation groups: 2 groups of 4 inputs
• Output isolation groups: 2 groups of 4 outputs
• Operating voltage: 20.4-28.8 VDC
• Nominal voltage: 24 VDC
• Protection rating: IP20 / NEMA 1
• Mounting type: DIN rail or UniStream local expansion
• Operating temperature: -20°C to +55°C
• Dimensions (H × W × D): Approx. 65 × 135 × 44.2 mm
• Weight: Approx. 0.15 kg

Efficient Digital Monitoring and Control

The UID-0808R allows engineers to add both input monitoring and output control capabilities using a single expansion module. This reduces hardware requirements and simplifies panel layouts while maintaining excellent flexibility for automation projects.

The module is suitable for monitoring sensors, switches and limit devices while simultaneously controlling relays, contactors, valves, indicators and other field equipment. Integration with the UniStream platform provides simple configuration and diagnostics through the UniLogic programming environment.

Typical Applications

• Industrial machinery and OEM equipment.
• Packaging and assembly systems.
• Conveyor and material handling systems.
• Building automation and HVAC control.
• Water and wastewater treatment plants.
• Manufacturing automation systems.
• Remote control panels and I/O stations.
• Industrial process monitoring and control.

Trusted by Automation Engineers Worldwide

Unitronics Uni-I/O expansion modules provide reliable and scalable control solutions, enabling automation professionals to build flexible industrial systems with dependable performance and simplified integration.