Allen-Bradley 1492-IFM40F-FS-2 Interface Module

Allen-Bradley 1492-IFM40F-FS-2 Interface Module

Product Overview

The Allen-Bradley 1492-IFM40F-FS-2 is a 40-Point Isolated Fusible Digital Interface Module (IFM) from Rockwell Automation Bulletin 1492 Wiring Systems. It is designed to simplify the connection between PLC digital I/O modules and field devices by providing a convenient interface terminal solution with built-in fuse protection.

This module includes 5 × 20 mm fuse clips, isolated field wiring terminals, and extra output terminals, making it suitable for applications requiring individual circuit protection and simplified cabinet wiring.

Main Specifications

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Model: 1492-IFM40F-FS-2
• Product Type:
  • Digital Interface Module (IFM)
  • PLC Wiring Interface Module
• Series:
  • Bulletin 1492 Connection Devices

Interface Details

• Interface Type:
  • Fusible Interface Module
• I/O Points:
  • 40 points
• Connector Type:
  • 40-pin cable connector
• Module Type:
  • Fixed terminal block digital interface module
• Terminal Style:
  • Isolated extra terminals for outputs
• Field Side Terminals:
  • Two terminals per I/O connection

Fuse Protection

• Fuse Type:
  • 5 × 20 mm cartridge fuse
• Fuse Clips:
  • Included
• Protection:
  • Individual field circuit protection
• Function:
  • Protects connected field devices and wiring circuits

Installation

• Mounting:
  • DIN rail / panel mounting
• Connection:
  • Pre-wired cable interface to PLC I/O module
• Compatible System:
  • Allen-Bradley PLC digital I/O modules
  • 1492 wiring system cables

Advantages & Features

• Reduces PLC cabinet wiring time
• Provides organized field wiring termination
• Built-in fuse protection improves circuit safety
• Supports quick PLC module replacement
• Minimizes wiring errors during installation
• Compact design saves control cabinet space
• Compatible with Allen-Bradley 1492 pre-wired cable solutions

Applications

• PLC control cabinets
• Industrial automation systems
• Machine control panels
• Production line equipment
• Motor control systems
• Remote I/O installations
• Factory electrical panels

Compatible Equipment

Commonly used with:

• Allen-Bradley ControlLogix digital I/O modules
• CompactLogix digital I/O systems
• PLC output modules
• PLC input modules
• Industrial field devices

Important Notes

• 1492-IFM40F-FS-2 is an interface module, not a PLC I/O module.
• It requires a compatible 1492 pre-wired cable and PLC I/O module for complete installation.
• Confirm I/O module pin configuration before selection.
• Install correct fuse ratings according to connected field device requirements.
• Disconnect power before wiring or replacing components.