Product Details
Product Description
The Allen-Bradley 1746-NIO4I is a four-point analog combination module for the SLC 500 series. It provides two analog inputs and two analog outputs, supporting both current and voltage signal ranges. With high resolution, fast update times, and tested isolation, it is designed for precise signal conversion and reliable integration into rack-mounted PLC systems.
Technical Specifications
-
Manufacturer Allen-Bradley
-
Product Line SLC 500
-
Product Type Analog Combination Module
-
Part Number 1746-NIO4I
-
Weight 1.00 lbs (0.45 kg)
-
Inputs 2 analog inputs
-
Input Signal Ranges -20 to +20 mA; -10 to +10 VDC
-
Outputs 2 analog outputs
-
Output Voltage Range -10 to +10 VDC (1 LSB resolution)
-
Resolution 16-bit input, 14-bit output
-
Bandwidth 10 Hz
-
Update Time 512 µs
-
Step Response 60 ms input, 2.5 ms output
-
Backplane Current Draw 55 mA at 5 VDC; 145 mA at 24 VDC
-
Isolation Voltage 500 V tested
-
Mounting Rack mountable, 1 slot width
Application Scenarios
-
Signal conversion for process control systems requiring both current and voltage inputs
-
Industrial automation systems needing precise analog input/output handling
-
Applications requiring fast update times and high-resolution data acquisition
-
Integration into SLC 500 racks for mixed analog/digital control
FAQ
Q: How many inputs and outputs does the 1746-NIO4I provide? A: It provides 2 analog inputs and 2 analog outputs.
Q: What is the resolution of the inputs and outputs? A: Inputs are 16-bit resolution, while outputs are 14-bit resolution.
Q: What isolation voltage is tested for this module? A: The module is tested to 500 V isolation.
Comparison with Similar Models
-
1746-NI4: Analog input-only module.
-
1746-NO4I: Analog output-only module.
-
1746-NIO4I: Combination module with both inputs and outputs for flexible applications.
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.