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
-
Model: 1746-NIO4I
-
Manufacturer: Allen-Bradley
-
Product Type: Combination Analog Input/Output Module
-
I/O Configuration: 2 analog inputs / 2 analog outputs
Input & Output Ranges
-
Input Ranges: ±20 mA, ±10 V DC
-
Output Range: ±10 V DC - 1 LSB
-
Resolution: 16 bits (input), 14 bits (output)
-
Update Time: 512 µs per channel
-
Bandwidth: 10 Hz
-
Step Response: 60 ms input, 2.5 ms output
Electrical & Backplane
-
Backplane Current (5 V): 55 mA
-
Backplane Current (24 V): 145 mA
-
Tested Isolation Voltage: 500 V
Physical & Environmental
-
Weight: 1.00 lb (0.45 kg)
-
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
Navigating Industrial Automation Failures: Types, Causes, and Mitigation Strategies
Modern manufacturing relies heavily on automated control systems to maximize throughput and maintain product quality. However, unplanned downtime in industrial automation can cost facility operators thousands of dollars per hour. Understanding how programmable logic controllers (PLCs), distributed control systems (DCS), and field instrumentation fail empowers engineering teams to implement robust preventive maintenance strategies.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
The Role of Intrinsic Safety Barriers in PLC and DCS Architectures
Implementing robust protection in hazardous industrial environments represents a fundamental safety requirement in factory automation. Process facilities often handle volatile gases, dusts, and chemical agents that pose significant combustion risks. Consequently, control system engineers must deploy energy-limiting interfaces to isolate safe-area control cabinets from hazardous-area field instrumentation. This article examines the function, selection, and electrical principles of intrinsic safety barriers within modern PLC and DCS networks.