Unitronics IO-ATC8 I/O Expansion Module PLC Controller Transducer Transmitter

Description:

The Unitronics IO-ATC8 I/O Expansion Module is an 8-channel analog and thermocouple input module used with Unitronics Vision PLC systems to acquire temperature and process signals in industrial automation and control applications. Commonly installed in manufacturing equipment, packaging machinery, process control panels, furnaces, and OEM systems requiring thermocouple or analog transmitter inputs. Maintenance technicians, OEMs, and system integrators use this module for replacement, retrofit, system expansion, and repair of PLC-based monitoring and control systems.

Applications:

The Unitronics IO-ATC8 is designed for industrial process monitoring involving thermocouples, pressure transmitters, flow sensors, level transmitters, and other analog devices. It is widely used in heat treatment systems, plastics processing equipment, food processing lines, HVAC controls, water and wastewater facilities, and factory automation where accurate temperature and analog signal acquisition are critical.

Technical Specifications:

• Brand: Unitronics
• Part Number: IO-ATC8 (IOATC8)
• Product Type: Analog/Thermocouple Input Expansion Module
• Supply Voltage: 24 VDC (via compatible expansion adapter)
• Number of Inputs: 8 configurable channels
• Input Types: Thermocouple, 0–10 VDC, 0–20 mA, 4–20 mA
• Supported Thermocouple Types: B, E, J, K, N, R, S, T
• Voltage Measurement Range: 0–10 VDC and low-level mV measurement capability
• Current Measurement Range: 0–20 mA and 4–20 mA
• Channel Configuration: Individually configurable via wiring, jumpers, and software
• PLC Compatibility: Unitronics Vision Series controllers
• Mounting: DIN rail or panel mount
• Designed for industrial temperature and analog process monitoring
• Suitable for OEM equipment, retrofit, and maintenance installations
• Engineered for continuous-duty industrial automation environments

Common Replacements:

• Unitronics IO-AI8 Vision 8 Analog Input Expansion Module
• Unitronics IO-AI4-AO2 Vision Analog Input/Output Expansion Module
• Unitronics EX-D16A3-AI8 Vision Analog Expansion Module