Product Details
Product Description
The 1746-NR4 is a 4-channel RTD and resistance input module designed for the Allen-Bradley SLC 500 series. It provides precise analog measurement of resistance temperature detectors (RTDs) and other resistance-based sensors. The module supports a 16-bit input resolution with 14-bit output, delivering accurate signal conversion and reliable process control.
Engineered for industrial environments, 1746-NR4 features 500V isolation for one minute between the field wiring and the backplane, ensuring safe and stable operation. Its flexible update time range of 17 ms to 1.2 s allows adjustment to various monitoring and control needs.
Technical Specifications
-
Manufacturer: Allen-Bradley (Rockwell Automation)
-
Model / Part Number: 1746-NR4
-
Series: SLC 500
-
Module Type: RTD/Resistance Analog Input
-
Input Channels: 4
-
Input Resolution: 16-bit
-
Output Resolution: 14-bit
-
Backplane Current: 50 mA
-
Bandwidth: 2.62 – 65.5 Hz
-
Update Time: 17 ms – 1.2 s
-
Step Response Time: 60 ms (input), 2.5 ms (output)
-
Operating Isolation: 500 V DC for 1 minute
-
Operating Temperature: 0 – 60 °C
-
Storage Temperature: -40 – 85 °C
-
Module Compatibility: SLC 500 chassis
Key Features
-
High-precision 16-bit input conversion
-
Supports RTD sensors and resistance-based devices
-
Wide bandwidth and flexible update timing
-
Safe 500V isolation for industrial environments
-
Compact SLC 500 form factor for easy installation
Applications
-
Industrial temperature monitoring with RTDs
-
Resistance-based process measurement
-
SLC 500 series analog control systems
-
Data acquisition in automated control networks
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
How to Train Your Maintenance Team for Industrial Automation Systems
Proper training of maintenance teams is essential to prevent downtime and ensure smooth operations in industrial automation. With PLCs, DCS, SCADA, and IoT systems, technicians need advanced skills to manage complex control systems. This guide provides a structured approach to building a capable team.
Understanding Fail-Safe in Siemens PLCs for Industrial Automation
In industrial automation, safety PLCs provide advanced protection beyond standard types. They safely shut down machinery during faults, reducing external hardware needs. Certified to SIL and IEC/ISO standards, they ensure functional safety in factory automation, protecting both personnel and critical equipment.
Understanding GE Fanuc Emerson Field Control for Industrial Automation
GE Fanuc Emerson’s Field Control I/O offered a compact, DIN-rail-mounted solution for industrial automation. Ideal for water treatment and process plants, its integrated design saved panel space and simplified wiring. Though reliable, this line is now obsolete, requiring a shift to modern, high-speed remote I/O.