ControlLogix | Allen-Bradley | 1756-IA32 AB Series A 32 Point ControlLogix Input Module 1756IA32 NEW IN BOX

Product Description: Allen-Bradley 1756-IA32

The Allen-Bradley 1756-IA32 is a high-density digital input module for the ControlLogix platform. It provides 32 input channels for sensing 74 to 132V AC signals, making it ideal for monitoring a wide range of AC-powered devices such as limit switches, sensors, and pushbuttons. Designed for use in industrial automation systems, this module offers channel diagnostics, individual channel status indication, and reliable performance in demanding environments.

Key Features

• 32 AC digital input channels
• Operating voltage range: 74–132V AC
• Compatible with 50/60 Hz AC signals
• Individually isolated input channels grouped in 4 sets of 8
• Channel-level status indicators for troubleshooting
• Input filtering for noise immunity
• Diagnostic features including open wire detection
• Requires a 1756 chassis and power supply
• Integration with Studio 5000 Logix Designer

Technical Specifications

• Number of Inputs: 32
• Voltage Range: 74 to 132V AC
• Frequency: 47 to 63 Hz
• Input Delay: 8 ms or 16 ms (configurable)
• Current Draw @ 5.1V: 170 mA
• Power Dissipation: 5.5 W
• Isolation Voltage: 250V (continuous), basic insulation
• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Dimensions (H x W x D): Approx. 145 mm x 35 mm x 140 mm
• Certifications: UL, CE, CSA, ATEX, IECEx

Application Areas

• Monitoring AC sensors and switches
• Packaging machinery and production lines
• Material handling and conveyor systems
• Utility control panels and infrastructure automation
• Large-scale discrete input systems
• AC-powered operator interfaces

Advantages

• High channel density saves space and reduces cost per point
• Excellent for AC input applications where isolation and diagnostics are essential
• Reliable input processing in noisy industrial environments
• Simple integration into ControlLogix automation platforms
• Enhances productivity through built-in status and fault indicators