Allen-Bradley 1762-IR4 | 4-Channel RTD & Resistance Input Module – For MicroLogix PLCs Overview The Allen-Bradley 1762-IR4 is a 4-channel RTD/resistance input module designed for MicroLogix 1200 and 1400 controllers. It accepts direct connection of various RTD types (such as Pt100, Pt1000, Ni100) or resistance input signals, providing high-resolution data for precise temperature and resistance measurement in industrial control systems. This module is ideal for temperature-critical processes, such as in HVAC systems, food processing, or environmental monitoring. Key Features Input Channels: 4 differential RTD/resistance inputs Supported Sensors: Pt100, Pt1000, Ni100, Ni1000, and general resistance Resolution: 15 bits Measurement Type: Temperature (RTD) and resistance Module Type: Analog input Removable Terminal Block – For easy wiring and replacement Cold Junction Compensation (CJC): Built-in High Accuracy and Repeatability – Ideal for process monitoring Technical Specifications Model: 1762-IR4 Channels: 4 Sensor Types: Pt100, Pt1000, Ni100, Ni1000, 100Ω–1000Ω resistance Resolution: 15 bits Input Type: 3-wire RTD or resistance Update Rate: 400 ms (all channels) Mounting: DIN rail or panel Operating Temp: 0°C to +55°C Compatible With: MicroLogix 1200 and 1400 Certifications: UL, CE, c-UL Applications Temperature Monitoring – Using RTD sensors Industrial Ovens & Freezers – Precision thermal control HVAC & Building Automation – Environment regulation Process Control Systems – RTD-based safety and quality assurance Why Choose the 1762-IR4? Direct RTD connection without external signal conditioning High-resolution temperature input with multiple RTD types Perfect addition to MicroLogix for temperature-based automation Order Now In stock and ships worldwide. Ask about compatible RTD sensors, MicroLogix CPUs, or temperature monitoring packages. Looking for more options? Explore our full range of Allen-Bradley MicroLogix 1200 Controllers for flexible, compact automation solutions. You can also browse the complete Allen-Bradley MicroLogix PLC Series for all models, technical specifications, and worldwide shipping availability.