Allen-Bradley 1746-NR8

Allen-Bradley 1746-NR8 | 8-Channel RTD Input Module for SLC 500 Systems

Overview

The Allen-Bradley 1746-NR8 is an 8-channel RTD input module for the SLC 500 platform, providing high-accuracy temperature monitoring using various RTD sensors. This module supports 2- and 3-wire RTDs, including Pt100 and other IEC-compliant sensors, and delivers 16-bit resolution for precise measurement. It includes a removable terminal block (RTB) for easy installation and maintenance.

Key Features

• Channels: 8 RTD input channels

• Sensor Types: Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, and more

• Wiring Support: 2-wire and 3-wire RTDs

• Resolution: 16-bit for high accuracy

• Cold Junction Compensation: Not required (RTD only)

• Terminal Block: Removable for quick wiring

• Channel Isolation: Each input isolated from others and backplane

Technical Specifications

• Catalog Number: 1746-NR8

• Platform: SLC 500

• Input Type: RTD (Resistance Temperature Detector)

• Conversion Rate: ~50 ms/channel

• Input Resistance: >1 MΩ

• Temperature Accuracy: ±1°C typical (varies by RTD type)

• Backplane Current Draw: 190 mA @ 5V DC

• Operating Temp: 0°C to 60°C

• Certifications: UL, CE, CSA

• Mounting: SLC 500 chassis

Applications

• Industrial temperature monitoring

• Process control and automation

• Food and beverage industry

• Pharmaceutical manufacturing

• HVAC and utility systems

Why Choose the 1746-NR8?

• High Precision RTD Monitoring: 16-bit resolution ensures accurate readings

• Flexible Sensor Compatibility: Works with multiple RTD types

• Rockwell Integration: Seamlessly fits into SLC 500 systems

• Field Friendly: Removable terminal block for fast changes

• Reliable for Harsh Environments: Designed for industrial use

Order Now

The Allen-Bradley 1746-NR8 is in stock and ready for immediate worldwide shipping.