ALL CATEGORIES

Seller Center
- Product Management
  
  Post Product
  
  Manage Products
  
  Featured Products
- Blog Management
  
  Post Blog Article
  
  Manage Blog Articles
  
  Manage Blog Categories
- Inquiry Management
  
  My Inquiries
  
  Buying Requests
- Analytics Center
  
  Performance Dashboard
  
  Product Analytics
  
  Visitor Analytics
Connect Your Store to WeChat

Follow Our Official Service Account
Manage Products & Inquiries Anywhere
Seller Services

Seller Services

Goldsupplier.com: 20 years of Global Trade Expertise, Empowering Your Business to Go Global!

Join GoldSupplier.com

Free & Instant Registration

Showcase Company & Products

Access Global Buying Requests

Register Now

Activate Verified Supplier Membership

Priority Verified Visibility

Claim Exclusive Buying Requests

Automated Multi-language Store

Verified Now

Launch Your EasyOcean Website

Full-Service Website Management

Google Page 1 Guarantee

Enhanced Brand Credibility

Launch Now
Buyer Services
Post Buying Request

Browse Product Categories

Featured Suppliers
Contact Platform Support

Help Center

Home > Consumer Electronics > Display & Accessories > Touch Screen > Allen-Bradley 1746-NR4 is a SLC 500 RTD/Resistance Analog Input Module

Allen-Bradley 1746-NR4 is a SLC 500 RTD/Resistance Analog Input Module

Product Spotlights

Genuine Allen-Bradley module with 4 isolated RTD/resistance input channels for SLC 500 PLCs. Ensures high-accuracy temperature and process monitoring with channel-to-channel isolation for reliability. Simplifies integration into legacy systems for precise control in HVAC, manufacturing, and processing applications.

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

Get Latest Price

Application:

Other, Industrial Process Control and Monitoring

Brand:

Allen-Bradley

Model:

1746-NR4

Contact Supplier Request Quote Chat Now

Rossonix Co.,limited

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
Contact Us

Application Other, Industrial Process Control and Monitoring

Brand Allen-Bradley

Model 1746-NR4

Module Type Analog Input Module

Input Signal Type RTD and Resistance

Compatibility SLC 500 Series PLC

Number of Input Channels 4 channels

Isolation Channel-to-channel and channel-to-logic

As a dedicated supplier of industrial automation components, Rossonix Co., Limited is pleased to offer the genuine Allen-Bradley 1746-NR4 SLC 500 RTD/Resistance Analog Input Module. Established in 2011 and serving a global clientele across North America, Europe, Asia, and beyond, we understand the critical need for reliable and precise measurement solutions in demanding industrial environments. This module is engineered to deliver accurate temperature and resistance data acquisition, forming a vital link in your process control chain. Its robust design and seamless integration with the SLC 500 platform make it an indispensable component for enhancing operational visibility and control.

The Allen-Bradley 1746-NR4 module is specifically designed to interface RTDs (Resistance Temperature Detectors) and resistance-based sensors with the SLC 500 programmable logic controller system. It converts analog resistance signals into precise digital data that the PLC can process, enabling sophisticated monitoring and control of temperature, pressure, level, and other process variables. Key features and technical specifications include:

High-Density Input Channels: Provides four isolated input channels in a single slot, optimizing cabinet space and reducing overall system cost.
Wide Sensor Compatibility: Supports various RTD types (such as Pt100, Ni120) and resistance inputs, offering flexibility for diverse application requirements.
Superior Accuracy and Resolution: Delivers high-resolution measurement for precise process control, helping to maintain product quality and consistency.
Built-in Isolation: Features channel-to-channel and channel-to-backplane isolation, protecting the PLC and other modules from electrical noise and ground loops, which enhances system reliability.
Easy Configuration: Module configuration is straightforward through the SLC 500 programming software, allowing for quick setup and calibration.
Rugged Industrial Design: Built to withstand the harsh conditions of industrial environments, including vibration, electrical noise, and wide temperature ranges.

The table below summarizes the core technical parameters of the 1746-NR4 module:

Parameter	Specification
Product Model	1746-NR4
Module Type	Analog Input
Input Signals	RTD (2/3/4-wire), Resistance (0-300/600 Ohms)
Number of Channels	4 isolated channels
Resolution	15-bit plus sign
Backplane Current Load	Typically 70 mA at 5V DC
Isolation	500V AC, channel-to-channel and channel-to-logic

Integrating the 1746-NR4 into your SLC 500 system brings tangible benefits. It enables precise temperature control in processes like plastic injection molding, food and beverage production, and chemical processing, leading to reduced waste and energy consumption. The module's diagnostic capabilities help in predictive maintenance, minimizing unplanned downtime. Its compatibility with a wide range of standard industrial sensors reduces engineering time and inventory complexity. For system integrators and plant engineers, this module represents a proven, reliable solution for expanding the analog input capabilities of legacy SLC 500 systems without requiring a complete controller overhaul.

Frequently Asked Questions (FAQ)

Q: What types of RTD sensors are compatible with the 1746-NR4 module?
A: The module is compatible with 2-wire, 3-wire, and 4-wire RTD configurations. Common types include Pt100 (100 Ohm platinum) and Ni120 (120 Ohm nickel) sensors. The specific type and wiring must be configured in the SLC 500 programming software.
Q: Can this module be used to measure process variables other than temperature?
A: Yes. While primarily used for temperature via RTDs, its resistance input capability allows it to interface with other resistive sensors, such as certain pressure transducers or potentiometers, that output a variable resistance signal within its 0-300/600 Ohm range.
Q: Is the 1746-NR4 module still supported by Rockwell Automation/Allen-Bradley?
A: The SLC 500 platform is a mature product line. While it may be categorized as "classic" or have limited active production, it remains widely used and supported with available spare parts and technical documentation. We supply genuine, factory-original modules.
Q: How do I configure the input channels on this module?
A: Configuration is performed using Rockwell Automation's RSLogix 500 programming software. You define the sensor type (RTD or Resistor), resistance range, wire configuration, data format, and scaling for each channel within the I/O configuration tree for your SLC 500 processor.
Q: What is the difference between channel-to-channel and channel-to-logic isolation?
A: Channel-to-channel isolation means each input channel is electrically isolated from the others, preventing interference. Channel-to-logic isolation separates all input channels from the module's internal logic and the SLC 500 backplane, providing protection against high-voltage transients and ground potential differences.
Q: Do you provide technical support for integrating this module into an existing system?
A: As a trading company with over a decade of experience and ISO 9001 certified quality management, Rossonix provides basic integration guidance and datasheets. For complex application engineering, we recommend consulting with a certified system integrator or referring to the official Allen-Bradley documentation.
Q: What are the main application industries for this module?
A> It is commonly used in industries requiring precise temperature monitoring and control, including HVAC, water/wastewater treatment, pharmaceutical manufacturing, food processing, plastics, and general factory automation.
Q: Can I mix different sensor types on the four channels of a single module?
A: Yes, each of the four channels can be independently configured for a different sensor type and range (e.g., one channel for a Pt100 RTD and another for a 0-300 Ohm resistive sensor), offering great application flexibility.

Backed by Rossonix Co., Limited's commitment to quality—evidenced by our ISO 9001 certification and consistent annual export value between US$5-10 million—you can source this Allen-Bradley module with confidence. Our global logistics network, with shipment points in Shenzhen, Hong Kong, and Europe, ensures timely delivery to your facility, whether in North America, Europe, Asia, or other main markets we serve. The 1746-NR4 represents a cost-effective and reliable way to maintain and upgrade critical process measurement points in SLC 500 based systems. Contact us today to discuss your requirements, check availability, and secure this essential component for your industrial automation needs.

Product Tags: SLC 500 RTD Input Module , Allen-Bradley 1746-NR4 , Resistance Analog I/O Module