Allen Bradley 1492-IFM40F-F24-2 Interface Module
The Allen Bradley 1492-IFM40F-F24-2, also cataloged as the 1492-IFM40F interface module, operates as a dedicated 40‑point fusible termination component for discrete field‑signal routing within ControlLogix and PLC wiring architectures.
Hardware Specifications
| Parameter |
Specification |
| Model |
1492-IFM40F-F24-2 |
| Brand |
Allen Bradley |
| Origin |
Not specified |
| Weight |
Not specified |
| Dimensions |
83.06 mm H × 210.06 mm W × 70.61 mm D |
| Operating Temp |
0 deg C to 60 deg C |
| Power Consumption |
Passive module (fused termination) |
| Core Performance Indicators |
40‑point fusible interface module, 2 A per circuit, 12 A per module |
Backplane Bus Communication Velocity & I/O Density Scaling
Although the 1492‑IFM40F‑F24‑2 is a passive termination module, its wiring architecture supports high‑density I/O scaling in Allen Bradley PLC systems. The module’s fused channels maintain deterministic behavior under heavy digital loading, preventing backplane overcurrent propagation. When paired with ControlLogix 5580 or CompactLogix platforms, the IFM’s structured wiring layout reduces termination latency and supports stable EtherNet/IP cyclic updates by minimizing field‑side noise injection. Firmware flash compatibility is not applicable, but the module’s geometry aligns with standard DIN‑rail wiring practices across Series B and Series C chassis environments.
Frequently Asked Questions
Q: Can the IFM40F‑F24‑2 be hot‑swapped while the PLC remains energized A: The module is passive, but removal under power may interrupt field circuits. Standard practice is to de‑energize affected channels before replacement.
Q: Does each circuit fuse isolate faults independently A: Yes. Each of the 40 points includes an individual fuse, preventing fault propagation to adjacent channels.
Q: Are there restrictions on module placement within a panel A: The module is DIN‑rail mounted and may be placed in any termination zone, provided spacing allows for fuse access and wiring bend radius.
Field Installation Guidelines
-
Maintain proper strain relief on field wiring to avoid fuse‑holder stress.
-
Route high‑voltage conductors separately from low‑level digital wiring to reduce induced noise.
-
Ensure fuse ratings match circuit requirements before energizing the panel.
-
Keep humidity within 5–95% non‑condensing to prevent terminal oxidation.
-
Verify terminal torque to avoid intermittent channel continuity.
Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...
Contact Information