Product Details
Product Overview
The Allen Bradley 1746-FIO4I serves as a high-speed analog combination module designed specifically for the SLC 500 platform. This single-slot module integrates two multi-range inputs and two current outputs into one compact unit, maximizing rack space efficiency. It handles both voltage (0-10 VDC) and current (0-20 mA) signals, providing the versatility required for PID control loops, flow monitoring, and valve positioning. We supply this module as 100% Brand New and Original, ensuring peak performance for your legacy or modular SLC systems.
Technical Specifications
The 1746-FIO4I delivers rapid data conversion and high-resolution signal processing:
| Feature | Specification |
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Product Line | SLC 500 |
| Module Type | Analog Combination (2-In / 2-Out) |
| Input Signals | 0-10 VDC; 0-20 mA |
| Output Signals | Two (2) 0-20 mA |
| Resolution | 12-bit Input / 14-bit Output |
| Conversion Method | Successive Approximation |
| Update Time | 512 microseconds |
| Backplane Current | 55 mA @ 5V / 150 mA @ 24V |
| Bandwidth | 7 kHz |
| Weight | 0.81 lbs (0.37 kg) |
Engineering Advantages
The 1746-FIO4I provides technical solutions for demanding process control environments:
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High-Speed Data Conversion: The module utilizes a successive approximation method to achieve a 512-microsecond update time. This rapid processing ensures real-time accuracy for high-speed motion or pressure control applications where every millisecond counts.
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Superior Signal Integrity: A 1.5 µs track-and-hold time captures transient analog values before conversion. This eliminates data skew and ensures the CPU receives an accurate representation of the field signal, even in environments with fluctuating process variables.
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Optimized Rack Density: By combining both input and output functions into a single-slot width, the 1746-FIO4I frees up valuable chassis slots for other communication or digital modules. This reduces the overall hardware footprint of your SLC 500 system.
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Robust Noise Immunity: The 7 kHz bandwidth specifically targets and filters industrial electrical noise. This ensures that the 12-bit input and 14-bit output signals remain stable and jitter-free, even when field cables run near high-voltage motor lines.
FAQs
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Can I use both voltage and current inputs simultaneously?
Yes. The 1746-FIO4I allows you to configure its two inputs independently. You can monitor a 0-10 VDC signal on one channel while receiving a 0-20 mA signal on the other, providing maximum flexibility for different field sensors.
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Is this module compatible with SLC 5/01 and 5/02 processors?
The 1746-FIO4I works with SLC 500 Fixed, Modular, and Remote I/O systems. However, check your specific processor's instruction set to ensure it supports the advanced analog data handling required for this combination module.
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What is the condition of this 1746-FIO4I unit?
We offer this product in 100% Brand New original condition. It ships in the authentic Allen Bradley factory box with the original UPC (662468523400) and factory documentation included.
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Does this module require an external power supply?
The module draws 150 mA from the 24V DC backplane. Ensure your SLC power supply (such as a 1746-P1 or P2) has sufficient remaining capacity to support this load alongside your other installed modules.
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
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.