Allen-Bradley 1794-IB32 Flex I/O Input Module

The Allen-Bradley 1794-IB32 FLEX I/O Input Module delivers 32 24V DC digital input channels within a FLEX I/O distributed control system, enabling high-density discrete input monitoring in remote I/O panels for material handling, packaging lines, motor control centers, and process automation equipment. It uses sinking (NPN-compatible) inputs with a 10–31.2V DC range and 7 mA nominal per channel, drawing 160 mA from the 5V backplane. The module provides group-isolated inputs for noise resistance and mounts on a DIN rail (requires the FLEX I/O terminal base); compatible adapters include 1794-AENT, 1794-ASB, and 1794-ACN15. Common replacements are 1794-IB16, 1794-OB32, and 1734-IB8. Use this 32-channel input module for input expansion, system upgrades, distributed I/O integration, and replacement of failed digital input modules in FLEX I/O assemblies. Applications span manufacturing plants, automotive assembly lines, food and beverage processing, water and wastewater facilities, and OEM machinery where 24V DC sensors such as limit switches, proximity devices, and push buttons require reliable discrete input monitoring.