Product Overview

The Allen Bradley 1492-IFM40F-FS-2 is a high-density digital Interface Module (IFM) designed to optimize the connection between field devices and programmable logic controllers. As part of the 1492 wiring system, this 40-contact module is specifically engineered for use with Allen-Bradley 1746 (SLC 500) series I/O, though it is compatible with other high-density digital systems. It acts as a pre-wired terminal block assembly, replacing traditional point-to-point wiring with a streamlined cable-to-header architecture.

By utilizing this module, industrial engineers can significantly reduce cabinet clutter and installation labor. The 1492-IFM40F-FS-2 incorporates integrated fuse protection for each circuit, providing a critical safety layer that prevents field-side electrical faults from damaging expensive PLC input or output cards.

Technical Specifications and Capabilities

The module is built to handle the rigors of industrial automation while maintaining a compact, DIN-rail-mounted footprint.

• Module Type: Digital Fusible Interface Module (IFM)

• Number of Contacts: 40-pin header

• Voltage Range: 10–30V AC/DC

• Current Rating: 2A per circuit; 12A maximum total per module

• Indicator Features: Integrated LED status indicators for fuse blown/power status

• Protection: Individual fuse clips for field-side circuit isolation

• Terminations: Fixed terminal blocks for field wiring

• Mounting: Standard 35mm #3 DIN rail

• Dimensions: 210 x 83 x 70.6 mm (8.27 x 3.27 x 2.78 in)

• Operating Temperature: 0 to 60°C (up to T3C temperature code)

Key Features and Applications

• Organized Circuit Distribution: The module provides one field-side terminal per I/O point, making it the ideal solution for high-density 32-point I/O cards where remote termination of commons is required.

• Enhanced Safety and Diagnostics: Featuring integrated fuse clips and diagnostic LEDs, the module allows operators to visually identify blown fuses at a glance, facilitating faster troubleshooting and reduced system downtime.

• Rugged Certification: This interface module is UL and cULus listed, CE marked for European compliance, and approved for use in Class 1, Division 2 hazardous locations, ensuring safety in volatile environments.

• Reduced Wiring Errors: By utilizing pre-assembled 1492 cables between the PLC and this interface module, the risk of miswiring is virtually eliminated compared to manual terminal strip connections.

• Efficient Space Management: The high-density design allows for up to 40 termination points in a small vertical profile, maximizing the available space within the control enclosure.