Allen-Bradley 1746-NR4 - Precision Temperature Monitoring Module

Key Features

• 4 isolated channels for multiple sensor inputs
• High accuracy: 0.01°C resolution
• Wide compatibility: Works with RTD and resistance sensors
• Compact design: Only 0.54kg (1.2 lbs)

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1746-NR4
• Type: RTD/Resistance Analog Input
• Isolation: 500V for 1 minute
• Response time: 60ms input, 2.5ms output
• Power: 50mA @5V DC + 50mA @24V DC
• Temperature range: 0°C to +60°C operating

Industrial Benefits

• Precision monitoring: Ideal for process control
• Flexible installation: Fits any slot (except Slot 0)
• Reliable operation: 5-95% humidity tolerance
• SLC 500 compatible: Seamless system integration

Package & Support

• Shipping: FedEx, UPS, DHL options
• Warranty: 12-month manufacturer coverage
• Certifications: UL, CE compliant

Expert FAQs

• Q: What types of RTDs are supported?
  A: Compatible with most 2/3/4-wire RTD configurations
• Q: Minimum temperature resolution?
  A: 0.01°C precision measurement
• Q: Can all channels be used simultaneously?
  A: Yes, all 4 channels operate independently
• Q: Suitable for harsh environments?
  A: Yes, -40°C to +85°C storage rating
• Q: Installation requirements?
  A: Standard SLC 500 chassis mounting