UNITRONICS IO-AI8 IOAI8 VISION I/O EXPANSION MODULE 8-ANALOG IN 24VDC NSMP

Description:

The Unitronics IO-AI8 Vision I/O Expansion Module is a 24 VDC analog input module with 8 configurable analog input channels used to expand signal acquisition capabilities in Unitronics Vision PLC automation systems. Commonly installed in manufacturing equipment, process control panels, water treatment facilities, and industrial automation systems requiring multiple analog sensor inputs. Maintenance technicians, OEMs, and system integrators use this module for replacement, retrofit, system expansion, and repair of PLC-based control applications.

Applications:

The Unitronics IO-AI8 is designed for industrial automation environments that require monitoring of pressure transmitters, flow meters, temperature transmitters, level sensors, and other voltage or current output devices. It is widely used in packaging machinery, process manufacturing, HVAC systems, utility plants, and factory automation where reliable analog data acquisition is essential. 

Technical Specifications:

• Brand: Unitronics
• Part Number: IO-AI8 (IOAI8)
• Product Type: Vision I/O Expansion Module
• Supply Voltage: 24 VDC (via compatible expansion adapter)
• Analog Inputs: 8 single-ended channels
• Input Signal Types: 0–10 V, 0–20 mA, 4–20 mA
• Resolution: 14-bit (Normal Mode), 12-bit (Fast Mode)
• Conversion Method: Voltage-to-frequency
• Input Impedance: >400 kΩ (voltage), 500 Ω (current)
• Maximum Conversion Time: 100 ms per input (Normal Mode)
• Status Indicator: Green RUN LED for communication status
• Mounting: 35 mm DIN rail or panel mount
• Compatible with Unitronics Vision PLC expansion systems
• Designed for industrial analog signal monitoring applications
• Suitable for OEM equipment, retrofit, and maintenance installations
• Engineered for continuous-duty industrial automation environments

Common Replacements:

• Unitronics IO-AI4-AO2
• Unitronics IO-ATC8
• Unitronics EX-D16A3-AI8