Product Details
Product Overview
The Allen Bradley 1794-IF4IXT serves as a high-density, isolated analog input solution within the FLEX I/O XT family. This module interfaces directly with sensors in harsh industrial environments, converting 4-20mA or ±10V signals into precise 16-bit digital data. As a 100% Brand New original component, the "XT" designation signifies extended temperature and environmental hardening, ensuring stable performance where standard I/O modules fail.
Technical Specifications
The 1794-IF4IXT utilizes Sigma-Delta conversion technology to maintain high signal integrity across all channels.
| Feature | Specification |
| Number of Inputs | 4 Isolated Channels |
| Resolution | 16 Bits |
| Conversion Type | Sigma Delta |
| Input Current Range | 4–20 mA |
| Input Voltage Range | ±10V |
| Isolation Voltage | 120V Continuous |
| External DC Power | 24V DC Nominal |
| FlexBus Current | 50mA |
| Power Dissipation | 2.0W @ 31.2V DC Max |
| Thermal Dissipation | 6.8 BTU/hr @ 31.2V DC Max |
| Weight | 0.31 lbs (0.14 kg) |
Engineering Advantages
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Eliminate Ground Loops: The 120V continuous isolation between channels prevents ground loop interference and protects the backplane from field-side electrical surges. This architecture ensures that a fault on one sensor does not compromise the entire I/O rack.
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Extreme Temperature Resilience: The XT (Extended Temperature) rating allows the module to operate in outdoor cabinets and non-climate-controlled environments. It withstands thermal cycling and maintains 16-bit accuracy across its full operating range.
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Precision Signal Processing: The Sigma-Delta converter filters out high-frequency industrial noise, providing clean, stable data for PID loops and sensitive flow-rate monitoring.
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Space-Efficient Modular Design: The compact FLEX I/O footprint reduces cabinet space requirements. The module snaps directly onto a terminal base (1794-TB3 or 1794-TB3S), allowing technicians to wire the system before installing the electronics.
FAQs
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What is the difference between the 1794-IF4I and the 1794-IF4IXT?
The "XT" version features conformal coating and components rated for extended temperature ranges. While they share the same logical profile, the 1794-IF4IXT provides superior protection against humidity, salt spray, and extreme heat.
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Does this module require a specific terminal base?
Yes. Use the 1794-TBN, 1794-TB3, or 1794-TB3S terminal bases. We recommend the 1794-TB3S for applications requiring spring-clamp terminations in high-vibration areas.
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Can I mix voltage and current signals on the same module?
Yes. You can configure each of the four isolated channels independently to accept either a 4-20mA current signal or a ±10V voltage signal through software configuration in RSLogix 5000/Studio 5000.
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Is this a Brand New unit?
Yes. We supply only 100% Brand New original Allen Bradley factory-sealed hardware. Each unit includes the original manufacturer's UPC (612598592579).
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.