1762-IR4 | Allen-Bradley | MicroLogix RTD / Resistance Input Module | 4-Channel

Product Description

The 1762-IR4 module from Allen-Bradley is a resistance input device designed for the MicroLogix 1200 family. It provides four input channels capable of handling RTD sensors and direct resistance signals, making it ideal for temperature measurement and monitoring applications. With flexible sensor compatibility, multiple input filter options, and support for MicroLogix 1100, 1200, and 1400 controllers, the 1762-IR4 ensures precise data acquisition in industrial automation systems.

Technical Specifications

• Manufacturer: Allen-Bradley

• Part Number: 1762-IR4

• Product Line: MicroLogix 1200

• Product Type: RTD / Resistance Input Module

• Weight: 0.56 lbs (0.26 kg)

• Number of Inputs: 4 channels

• Converter Type: Sigma-Delta (Delta-Sigma)

• Heat Dissipation: 1.5 W

• Compatible Controllers: MicroLogix 1100, 1200, 1400

• Supported RTD Sensors:

• Platinum 385 (100Ω, 200Ω, 500Ω, 1000Ω)

• Platinum 3916 (100Ω, 200Ω, 500Ω, 1000Ω)

• Copper 426 (10Ω)

• Nickel 672 (120Ω)

• Nickel 618 (120Ω)

• Nickel-Iron 518 (604Ω)

• Supports 2-wire, 3-wire, and 4-wire RTD configurations

• Resistance Signal Ranges: 0–150Ω, 0–500Ω, 0–1000Ω, 0–3000Ω

• Data Formats: Raw/proportional, engineering units ×1, engineering units ×10, scaled-for-PID, percent full scale

• Input Filters: 10 Hz, 50 Hz, 60 Hz, 250 Hz, 500 Hz, 1 kHz

• Resolution: Dependent on filter and configuration

Key Features

• Versatile Sensor Support: Compatible with multiple RTD types and direct resistance signals

• Flexible Input Filters: Adjustable filtering for noise reduction and precision

• High Accuracy Conversion: Delta-Sigma method ensures reliable measurement

• Controller Compatibility: Works seamlessly with MicroLogix 1100, 1200, and 1400 systems

• Compact Design: Lightweight and easy to mount in industrial panels