UIA-0800NH Unistream Input/Output Expansion Module with 8 Analogue inputs and HART Communication

Why Choose the Unitronics UIA-0800NH Analogue Current Input Module?

The Unitronics UIA-0800NH is a specialised analogue current input expansion module designed for the Unitronics UniStream PLC platform. Engineered for process automation, instrumentation and industrial monitoring applications, the module provides eight dedicated analogue current input channels with integrated HART communication capability for advanced field device integration.

As part of the scalable Uni-I/O expansion range, the UIA-0800NH enables engineers to expand analogue acquisition capacity while maintaining seamless integration with UniStream PLC and HMI systems. The module supports industry-standard current signals commonly used by pressure transmitters, flow meters, level sensors and process instrumentation.

Featuring 8 analogue current inputs supporting 0-20 mA and 4-20 mA signals with 12-bit conversion, the UIA-0800NH delivers accurate signal acquisition and reliable performance for demanding industrial environments. Its HART compatibility provides enhanced diagnostics, configuration and communication capabilities with compatible smart field devices.

Key Advantages

• 8 dedicated analogue current input channels.
• Supports 0-20 mA and 4-20 mA process signals.
• HART communication capability for smart instrumentation.
• Compatible with the complete Unitronics UniStream platform.
• 12-bit analogue conversion for reliable measurements.
• Ideal for process monitoring and industrial instrumentation.
• Simple integration using UniLogic software.
• Scalable architecture for expanding automation systems.

Key Features

• Unitronics Uni-I/O Series.
• 8 analogue current inputs.
• Input ranges: 0-20 mA and 4-20 mA.
• 12-bit conversion resolution.
• Integrated HART protocol support.
• Successive approximation conversion method.
• Selectable noise filtering options.
• Status and diagnostic LEDs.
• Compatible with UniStream PLC and HMI systems.
• DIN rail or panel-mounted expansion installation.

Technical Specifications

• Manufacturer: Unitronics
• Series: Uni-I/O
• Model: UIA-0800NH
• Product type: Analogue current input expansion module
• Number of inputs: 8 analogue inputs
• Input signal range: 0-20 mA / 4-20 mA
• Resolution: 12-bit
• Communication: HART protocol capable
• Conversion method: Successive approximation
• Input impedance: Approx. 251 Ω
• Supply voltage: Via UniStream backplane
• Protection rating: IP20 / NEMA 1
• Mounting type: DIN rail / UniStream local expansion
• Dimensions (H × W × D): Approx. 65 × 135 × 44.2 mm
• Operating temperature: -20°C to +55°C
• Standards: CE, UL, EAC

Advanced HART-Enabled Signal Acquisition

The UIA-0800NH is specifically designed for process industries where intelligent instrumentation and accurate current signal monitoring are essential. Its dedicated current-input architecture provides optimised performance for 4-20 mA instrumentation loops commonly used throughout manufacturing, utilities and process plants.

Integrated HART capability enables communication with compatible smart transmitters, allowing access to additional diagnostics and device information beyond standard analogue signal measurement. This helps improve system visibility, maintenance efficiency and overall process reliability.

Typical Applications

• Industrial process monitoring.
• Pressure transmitter integration.
• Flow and level measurement systems.
• Water and wastewater treatment plants.
• Energy and utility monitoring.
• Manufacturing automation systems.
• Process instrumentation networks.
• OEM machine building projects.

Trusted by Process Automation Engineers

Unitronics Uni-I/O expansion modules provide reliable and scalable analogue signal acquisition, helping engineers build advanced automation systems with precise monitoring and intelligent field device integration.