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IO-AI4-AO2 – Unitronics 4 in / 2 out analog module
Unitronics IO-AI4-AO2 analogue I/O expansion module featuring 4 analogue inputs and 2 analogue outputs for industrial automation and process control applications.
£180.00
Why Choose the Unitronics IO-AI4-AO2 Analog I/O Expansion Module?
The Unitronics IO-AI4-AO2 is a versatile analog I/O expansion module designed to extend the capabilities of compatible Unitronics OPLC and Vision controllers. Featuring 4 analogue inputs and 2 analogue outputs, it enables seamless integration of sensors, transmitters, actuators and process control devices into industrial automation systems.
Designed for demanding industrial environments, the IO-AI4-AO2 supports multiple signal types including voltage and current inputs and outputs. This flexibility allows engineers to connect a wide range of instrumentation devices whilst maintaining precise process monitoring and control. The module interfaces with the controller via a dedicated expansion adapter and can be mounted on a DIN rail or directly onto a panel.
With 4 x 12-bit analogue inputs and 2 x 12-bit analogue outputs, the IO-AI4-AO2 is ideal for process automation, HVAC systems, water treatment applications, machine control and industrial monitoring systems requiring reliable analogue signal handling.
Key Advantages
- Provides 4 analogue inputs and 2 analogue outputs.
- Supports both voltage and current signal ranges.
- 12-bit input resolution for accurate measurement.
- 12-bit signed output resolution for precise control.
- Compatible with selected Unitronics OPLC and Vision controllers.
- DIN rail or panel mounting flexibility.
- Ideal for industrial process monitoring and control applications.
Key Features
- Unitronics IO-AI4-AO2 Expansion Module.
- 4 analogue inputs.
- 2 analogue outputs.
- Input ranges: 0-10V, 0-20mA, 4-20mA.
- Output ranges: ±10V, 0-20mA, 4-20mA.
- 12-bit analogue input resolution.
- 12-bit signed analogue output resolution.
- Status and diagnostic indicators.
- Industrial-grade construction.
Precise Analogue Monitoring and Control
The IO-AI4-AO2 enables industrial controllers to interface directly with analogue field devices such as pressure transmitters, flow meters, temperature transmitters, proportional valves and variable speed drives. Its flexible signal range support simplifies integration into a wide range of automation systems.
By providing both analogue inputs and outputs within a single expansion module, the IO-AI4-AO2 helps reduce panel space requirements while delivering accurate monitoring and responsive process control for industrial applications.
Typical Applications
- Process automation systems.
- Water and wastewater treatment plants.
- HVAC control systems.
- Industrial machinery.
- Energy management systems.
- Building automation.
- Pump and motor control applications.
- Industrial monitoring and data acquisition.
Technical Specifications
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| Product Series | Unitronics Vision I/O Expansion | |
|---|---|---|
| Analogue I/O | 4 AI / 2 AO | |
| Signal Type / Function | Analogue | |
| Signal / Input Range | 0–10 V, 0–20 mA, 4–20 mA | |
| Product type | Analog I/O Expansion Module | |
| Analog inputs | 4 | |
| Input signal ranges | 0-10V, 0-20mA, 4-20mA | |
| Input resolution | 12-bit | |
| Analog outputs | 2 | |
| Output signal ranges | ±10V, 0-20mA, 4-20mA | |
| Output resolution | 12-bit + sign | |
| Mounting type | DIN rail or panel mounting | |
| Controller interface | Expansion adapter connection | |
| Status indication | Communication and I/O status LEDs | |
| Application | Industrial automation and process control |
Frequently Asked Questions
What is the Unitronics IO-AI4-AO2 used for?
The IO-AI4-AO2 is an analogue I/O expansion module used to add four analogue inputs and two analogue outputs to compatible Unitronics controllers.
What analogue input signals are supported?
The module supports 0-10V, 0-20mA and 4-20mA analogue input signals.
What analogue output signals are available?
The outputs support ±10V, 0-20mA and 4-20mA signal ranges.
How many analogue channels does the module provide?
The module provides 4 analogue inputs and 2 analogue outputs.
How is the module installed?
The IO-AI4-AO2 can be mounted on a DIN rail or directly onto a mounting plate and connects to the controller via a Unitronics expansion adapter.
Trusted by Automation Engineers Worldwide
Unitronics analogue expansion modules are widely used in industrial automation systems where accurate process measurement, reliable analogue control and seamless PLC integration are essential for operational performance.
