The Allen-Bradley 1771-IR is a PLC-5 Resistance Temperature Detector (RTD) input module. It reads the resistance of up to six 3-wire RTDs and converts the values to temperature readings. The module supports various RTD types, including Pt100, Cu100, and Ni100.

Specifications

• Number of inputs: 6
• Input type: 3-wire RTD
• RTD type: Pt100, Cu100, Ni100
• Input range: -200 to 800°C (-328 to 1472°F)
• Accuracy: ±0.1% of full scale
• Resolution: 16 bits
• Update rate: 250 ms

Features

The Allen-Bradley 1771-IR includes several advanced features:

• Auto-calibration
• Manual calibration
• Fault detection
• Status indication

Applications

The module is ideal for various applications, including:

• Temperature monitoring
• Process control
• HVAC systems
• Medical devices