UNITRONICS IO-AI4-AO2 IOAI4AO2 VISION I/O EXPANSION MODULE 24VDC NSMP

Description:

The Unitronics IO-AI4-AO2 Vision I/O Expansion Module is a 24 VDC analog expansion module that provides 4 analog inputs and 2 analog outputs for Unitronics Vision PLC automation systems. Commonly installed in manufacturing equipment, process control panels, water treatment facilities, and OEM machinery requiring precise analog signal acquisition and output control. Maintenance technicians, OEMs, and system integrators use this module for replacement, retrofit, system expansion, and repair of PLC-based industrial automation systems.

Applications:

The Unitronics IO-AI4-AO2 is designed for industrial automation applications involving pressure transmitters, flow meters, level sensors, temperature transmitters, variable speed drives, and other analog field devices. It is commonly used in packaging machinery, factory automation, HVAC systems, material handling equipment, and process manufacturing where accurate analog monitoring and control are essential.

Technical Specifications:

• Brand: Unitronics
• Part Number: IO-AI4-AO2 (IOAI4AO2)
• Product Type: Vision I/O Expansion Module
• Supply Voltage: 24 VDC
• Analog Inputs: 4 single-ended channels
• Analog Outputs: 2 single-ended channels
• Input Signal Types: 0–10 V, 0–20 mA, 4–20 mA
• Output Signal Types: ±10 V, 0–20 mA, 4–20 mA
• Input Resolution: 12-bit
• Output Resolution: 12-bit with sign
• PLC Compatibility: Unitronics Vision Series controllers
• Mounting: 35 mm DIN rail or panel mount
• Environmental Rating: IP20 / NEMA 1
• Designed for industrial analog measurement and control applications
• Suitable for OEM equipment, retrofit, and maintenance installations
• Engineered for continuous-duty industrial automation environments

Common Replacements:

• Unitronics IO-AI4-AO2-B
• Unitronics IO-AI8
• Unitronics IO-AI1X-AO3X