Product Description

The Allen-Bradley Allen-Bradley 1746-NR8 A 3.00 SLC 500 Input Mod RTD Resistance (IILLC-001108_1746-NR8) is a precision-engineered component designed for high-performance industrial applications. It ensures seamless integration into automation systems, delivering efficient and reliable operation for demanding environments. With robust construction and advanced technology, it is widely used in process control, manufacturing, and automation solutions.

Technical Specifications

• Manufacturer: Allen-Bradley
• Model Number: 1746-NR8
• Input Channels: 8
• Supported RTD Types:
• Platinum (Pt) 100, 200, 500, 1000 Ω (385 & 392 curves)
• Nickel (Ni) 120 Ω (618 & 672 curves)
• Copper (Cu) 10 Ω (427 curve)
• Nickel-Iron (NiFe) 604 Ω (519 curve)
• Resistance Input Ranges: 0–150 Ω, 0–300 Ω, 0–500 Ω, 0–1000 Ω
• Sensor Wiring Support: 2-wire, 3-wire, and 4-wire configurations
• Resolution: 0.01°C
• Update Time: 6 milliseconds to 2 seconds
• Step Response: 60 ms (input), 2.5 ms (output)
• A/D Conversion Method: Sigma-delta modulation
• Backplane Current Draw:
• 100 mA @ 5 VDC
• 55 mA @ 24 VDC
• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Isolation Voltage: 500 V AC for 1 minute; ±5 V channel-to-channel common-mode isolation