Product Details
Overview
The Allen-Bradley 1746-NIO4I is a precision analog input/output module designed for SLC 500 control systems. It combines two high-resolution analog inputs and two analog outputs in a single module, providing accurate signal processing for industrial automation applications. The module is engineered for fast update rates, reliable backplane performance, and robust isolation for safe operation.
Technical Specifications
Module Details
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Model: 1746-NIO4I
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Manufacturer: Allen-Bradley
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Product Type: Combination Analog Input/Output Module
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I/O Configuration: 2 analog inputs / 2 analog outputs
Input & Output Ranges
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Input Ranges: ±20 mA, ±10 V DC
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Output Range: ±10 V DC - 1 LSB
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Resolution: 16 bits (input), 14 bits (output)
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Update Time: 512 µs per channel
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Bandwidth: 10 Hz
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Step Response: 60 ms input, 2.5 ms output
Electrical & Backplane
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Backplane Current (5 V): 55 mA
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Backplane Current (24 V): 145 mA
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Tested Isolation Voltage: 500 V
Physical & Environmental
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Weight: 1.00 lb (0.45 kg)
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Mounting: Standard SLC 500 chassis slot
Applications
The 1746-NIO4I is ideal for systems requiring precise analog monitoring and control, including process control loops, sensor signal processing, and actuator control in manufacturing automation. Its combination I/O configuration allows flexible integration in compact system designs.
FAQ
Q: How many analog channels does the module provide?
A: 2 analog inputs and 2 analog outputs.
Q: What is the input signal range?
A: ±20 mA and ±10 V DC.
Q: How fast is the module update time?
A: 512 microseconds per channel.
Q: Is the module isolated for safety?
A: Yes, it has tested isolation voltage of 500 V.
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
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.