1746-NR8 | Allen-Bradley SLC500 RTD/Resistance Analog Input Module

Overview

• Manufacturer: Rockwell Automation
• Part Number: 1746-NR8
• Product Type: RTD/Resistance Analog Input Module
• Series: SLC500

Specifications

• Inputs: 8
• Backplane Current:
  • 100 mA @ 5V DC
  • 55 mA @ 24V DC
• Compatible RTD Sensors:
  • Platinum (385): 100, 200, 500, 1000
  • Platinum (3816): 100, 200, 500, 1000
  • Copper (426): 10
  • Nickel (618): 120
  • Nickel (672): 120
  • Nickel Iron (518): 604
• Resolution: 0.01°C
• Update Time: 6 ms to 2 seconds
• Compatible Resistance Input Range:
  • 0 to 150 Ohms
  • 0 to 500 Ohms
  • 0 to 1000 Ohms
  • 0 to 300 Ohms

Power and Consumption

• Backplane Power Consumption:
  • 1.82W max (0.5W at 5V DC, 1.32W at 24V DC)
• Step Response:
  • 60 ms in, 2.5 ms out
• A/D Conversion Method: Sigma-delta modulation

Environmental

• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Relative Humidity: 5 to 95% (non-condensing)
• Mounting Location: Any slot except Slot 0

Additional Information

• I/O Chassis Location: Any slot except Slot 0
• Channel Monitoring: LED indicator
• Cable Requirements:
  • 2-Wire RTD: Belden 9501 or equivalent
  • 3-Wire or 4-Wire RTD: Belden 9533 or Belden 83503
• Terminal Block Compatible: 1746-RT-35
• Maximum Common Mode Voltage: ±1V
• Isolation Voltage:
  • 5V DC between channels
  • 500V AC for 1 minute between inputs and backplane, inputs and chassis ground