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1492-IFM20F

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Allen-Bradley 1492-IFM20F is a 20-point digital interface module with fixed terminal block and feed-through design for structured digital I/O wiring. It provides stable electrical connectivity for systems compatible with CompactLogix-related configurations.
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Technical specifications for 1492-IFM20F

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1492-IFM20F
  • Product Family:
    1492 WIRING SYSTEMS
  • Product Type:
    Digital Module with Fixed Terminal Block
  • Voltage Range:
    0…264V AC/DC
  • Max. Current (Per Circuit):
    2 A
  • Max. Current (Per Module):
    12 A
  • Interface module style:
    Ftd-through
  • Field side terminals:
    One per I/O connection
  • Cable connector pin type:
    For interface to digital I/O from 8 to 16 points
  • Product type:
    Digital module with fixed terminal block
  • Bulletin number:
    1492-connection devices
  • Cable Connector Pin Type:
    20 Pins
  • Terminal Features:
    Standard
  • LED or Fuse Voltage:
    None
  • Operating Temperature Range:
    0° C - 60° C
  • Operating Humidity:
    5 - 95% Non-condensing
  • Weight:
    0.14 kg
  • Estimated shipping dimensions:
    11.2x10x5.5cm
  • Tariff Code:
    9603909090
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Environment Compliance Application Scenarios

Features:

  • Feed-through 20-point structure allowing direct one-terminal-per-I/O field wiring layout.
  • Electrical design supporting up to 264V AC/DC with defined circuit and module current limits.
  • Fixed terminal block combined with DIN rail mounting for standardized industrial installation.
In industrial wiring architectures, the Allen-Bradley 1492-IFM20F is used as a structured digital interface module within the 1492 Wiring Systems family. The Allen-Bradley 1492-IFM20F organizes field wiring through a feed-through layout, where each I/O signal is routed to a dedicated terminal. This arrangement simplifies the separation of multiple digital channels. It is commonly applied in CompactLogix-related digital control environments.

Electrical characteristics of the Allen-Bradley 1492-IFM20F include 0…264V AC/DC operating voltage with 2A per circuit and 12A per module capacity. The Allen-Bradley 1492-IFM20F supports 20-pin cable connection for digital I/O systems ranging from 8 to 16 points. This allows flexible adaptation to different field wiring densities. Signal distribution remains consistent across all 20 channels.

The mechanical structure of the Allen-Bradley 1492-IFM20F is based on a fixed terminal block design combined with DIN rail mounting. The Allen-Bradley 1492-IFM20F ensures each field-side connection uses one terminal, maintaining clear wiring separation. It is also rated for recurring peak voltages up to 600V. Operating conditions include 0°C to 60°C and 5–95% non-condensing humidity, supporting use in standard industrial environments.

The 1492-IFM20F Allen-Bradley Digital Module with Fixed Terminal Block may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1492-IFM20F Digital Module with Fixed Terminal Block Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Allen-Bradley 1492-IFM20F Digital Module with Fixed Terminal Block Specs

General

  • Manufacturer Allen-Bradley
  • Model 1492-IFM20F
  • Condition New Original ready stock
  • Product Family 1492-IFM40F,1492-RIFM40F,1492-RIFM20FH-2
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Operating Temperature: 0°C to 60°C (32°F to 140°F).
  • Storage Temperature: -40°C to 85°C (-40°F to 185°F).
  • Relative Humidity: 5% to 95% (non-condensing).
  • Installation Requirements: Installed in a controlled enclosure conforming to ANSI/ISA S82 specifications, supporting 35mm DIN rails.
  • Hazard Class: Compliant with FM Class 1, Div. 2, Groups A, B, C, D certifications.
  • Explosion Protection Requirements: In hazardous environments, disconnecting the circuit while it is energized is strictly prohibited.
  • Wire Specifications: Suitable for #22–#12 AWG (0.2–4 mm²) wire, torque 3.5–4.5 lb-in.
  • Voltage Range: Standard feedthrough design, maximum rated operating voltage is 264V AC/DC.
  • Automated Wiring: Replaces traditional manual wiring, significantly reducing connection time between PLC I/O modules and field devices.
  • Signal Conversion: Converts high-density signals from PLC modules such as the 1746 (SLC 500) or 1756 (ControlLogix) into easier-to-wire 20-point terminal blocks.
  • Equipment Maintenance: Clearly identifies wiring points using fixed terminal blocks and pre-printed marking cards, optimizing subsequent troubleshooting processes.
  • Industrial Control Cabinets: Suitable for fixed control panel installations where space is limited and frequent disassembly of terminal blocks is not required.
Description
Built within the 1492 Wiring Systems series, the Allen-Bradley 1492-IFM20F is designed as a feed-through digital interface module that organizes field wiring into clearly separated I/O paths. It contains 20 connection points, each field-side I/O connection assigned to an individual terminal, supporting straightforward wiring distribution across control panels.

Electrical capability of the Allen-Bradley 1492-IFM20F includes an operating range of 0…264V AC/DC, with current handling up to 2A per circuit and 12A per module. These specifications allow the Allen-Bradley 1492-IFM20F to maintain consistent signal transmission across various digital input and output arrangements without requiring additional conversion elements.

A fixed terminal block structure is used in the Allen-Bradley 1492-IFM20F, helping reduce wiring complexity while maintaining a stable connection layout. Alongside this, a 20-pin cable connector interface supports digital I/O systems ranging from 8 to 16 points, enabling flexible integration with different field device configurations.

For installation, the Allen-Bradley 1492-IFM20F adopts DIN rail mounting, allowing standardized placement inside industrial control cabinets. The feed-through interface style ensures direct signal passage between field wiring and control system I/O terminals, keeping signal routing clear and organized.

The Allen-Bradley 1492-IFM20F is built to operate under 0°C to 60°C conditions and within 5–95% non-condensing humidity environments. It is also capable of withstanding recurring peak voltages up to 600V, which supports stable performance in electrically demanding industrial settings.

Integration with CompactLogix-related digital systems is a key aspect of the Allen-Bradley 1492-IFM20F, ensuring compatibility with modern industrial control architectures. Each of the 20 points is individually mapped through dedicated terminals, reinforcing structured signal management in multi-channel applications.
Alternative Names
1492-RIFM20F 1492-IFM20FN 1492-RIFM20FN 1492-IFM20F-2 1492-RIFM20F-2 1492-IFM20F-3 1492-IFM20F-F-2 1492-IFM20F-F24-2 1492-IFM20F-F24A-2 1492-IFM20F-F120-2
Technical notes
Allen-Bradley 1492-IFM20F is a 20-point feed-through digital interface module with fixed terminal block, supporting 0–264V AC/DC voltage, 2A per circuit and 12A per module current, 20-pin cable connector for 8–16 point digital I/O interface, DIN rail mounting, operating temperature 0–60°C, humidity 5–95% non-condensing, and recurring peak voltage up to 600V.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What role does the 1492-IFM20F play in a control system?
It connects field-side digital I/O wiring to control system terminals in a structured format.
Why is a feed-through design used in Allen-Bradley 1492-IFM20F?
It enables direct signal transfer with clear one-to-one terminal mapping.
How is current managed in the system?
Each circuit supports 2A, while the module supports up to 12A total.
What type of I/O systems can connect to it?
It supports 8 to 16-point digital I/O via a 20-pin connector interface.

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