Description:

The Allen-Bradley 1794-IB32 is a FLEX I/O 32-point 24V DC sinking digital input module designed for use in distributed control systems. It monitors discrete DC input signals from field devices and communicates status data to Logix-based controllers through FLEX I/O network adapters. Commonly installed in machine-mounted I/O stations, automated production lines, packaging systems, and material handling equipment, this module supports high-density input applications within modular automation architectures. Maintenance teams and system integrators use this module for system expansion, replacement of failed input cards, retrofit projects, and maintaining distributed FLEX I/O systems.

Applications:

The 1794-IB32 digital input module is used to receive 24V DC signals from sensors, limit switches, proximity devices, and pushbuttons in distributed I/O assemblies. It is widely applied in manufacturing facilities, conveyor systems, robotic cells, and processing equipment where high-channel-count DC input monitoring and flexible system layout are required.

Technical Specifications:

• Manufacturer Part Number (MPN): 1794-IB32
• Brand: Allen-Bradley
• Product Type: Digital Input Module
• I/O Platform: FLEX I/O
• Number of Inputs: 32 DC inputs
• Input Voltage: 24V DC
• Input Type: Sinking (for sourcing field devices)
• Input Voltage Range: 10–31.2V DC
• Current Draw: Module dependent
• Isolation: Channel-to-backplane isolation
• Mounting: DIN rail (requires FLEX I/O terminal base)
• Operating Temperature: 0 to 55°C (32 to 131°F)

Common Replacements:

• Allen-Bradley 1794-IB16
• Allen-Bradley 1794-OB32
• Allen-Bradley 1734-IB8