Overview
The Allen-Bradley 1492-IFM20F-F24A-2 is a 20-point fusible digital interface module designed to reduce PLC wiring time and panel clutter. Bulletin 1492 I/O wiring systems include interface modules and cables that minimize control wiring in a panel, with digital ready-to-wire cables replacing point-to-point wiring between controller I/O modules and terminal blocks. This Series A module provides fused protection for each I/O circuit and includes built-in blown fuse indicators for quick troubleshooting in industrial control systems.
Key Features
- 20-point digital IFM: 20-point fusible digital IFM with 5×20mm fuse clips and 24V AC/DC blown fuse indicators
- Fused protection: Individual 2 amp per-circuit fuses with 12 amp maximum module rating for safe device operation
- Blown fuse indicators: Built-in status visibility for rapid field diagnostics and fault isolation
- DIN-rail mounting: Compact 35mm standard rail design for space-efficient panel layouts
- Extra input terminals: Additional connection points for signal distribution and future expansion
- Wire range: Accommodates 22–12 AWG field device wiring for flexible installation
Technical Specifications
FM Class 1 Division 2 Groups A, B, C, D T6 rated for operating temperatures up to 60°C. The module supports individual circuit protection and is designed for hazardous location environments where fused protection is required. Wire termination accepts standard 5×20mm fuse cartridges per IEC 60127 standards.
Typical Applications
- Discrete 24V DC digital signal conditioning and distribution
- Field device wiring in CompactLogix, ControlLogix, and SLC 500 systems
- Panel-mounted fused protection for sensors, solenoids, and discrete devices
- Industrial machinery automation and process control environments
- Class 1 Division 2 hazardous location installations requiring certified fuse protection
Compatibility & Replacements
Compatible With
- Allen-Bradley I/O platforms including Bulletin 1746, 1756, 1769, 1794, and 1771 modules
- ControlLogix and CompactLogix programmable logic controllers
- Rockwell Automation Studio 5000 and RSLogix platforms
- EtherNet/IP and DF1 industrial networking protocols
- Standard 35mm DIN-rail mounting systems
Replaces / Drop-In Replacement For
The 1492-IFM20F-F24A-2 Series A is a direct replacement for equivalent Series A Bulletin 1492 interface modules with identical part specifications. Verify exact pin configuration and field-wiring compatibility with your system integrator before installation to ensure compatibility with existing applications.
Works With
- Allen-Bradley Bulletin 1492 pre-wired interface cables and connectors
- Studio 5000 and RSLogix 5000 programming software
- Standard 5×20mm IEC 60127 fuse cartridges
- EtherNet/IP and other Rockwell Automation industrial protocols
