Product Overview

The Allen-Bradley 1769-IQ32 is a high-density digital input module designed to expand the I/O capacity of CompactLogix and MicroLogix 1500 controller systems. Featuring 32 input points, this module provides a space-saving solution for applications requiring a high number of field device connections within a small footprint. It operates at a nominal 24V DC and is engineered with a flexible interface that supports both sinking and sourcing wiring configurations.

To maintain signal integrity and power efficiency, the 1769-IQ32 features a power supply distance rating of eight, meaning it must be installed within eight modules of the system power supply. The module utilizes a removable terminal block for simplified wiring and maintenance, ensuring minimal downtime during hardware replacements.

Technical Characteristics and Specifications

The 1769-IQ32 is built for industrial-grade durability, featuring group-to-group isolation to prevent electrical noise from affecting controller performance.

• Input Type: 24V DC Digital Input (Sinking/Sourcing)

• Number of Inputs: 32 points (divided into 2 isolated groups of 16)

• Operating Voltage Range: 10V DC to 30V DC

• Input Delay (Off to On): 8.0 ms (typical)

• Current Draw: 170 mA at 5.1V DC

• Isolation Voltage: Verified at 710V DC for 60 seconds (group-to-bus)

• Mounting Options: Integrated DIN rail or panel mount capability

• Environmental Rating: IP20 open-style enclosure with an operating temperature range of 0°C to 60°C

Industrial Applications and Installation

This module is a staple in automated systems where high-channel counts are necessary to monitor discrete sensors and switches.

• Conveyor Systems: Monitoring multiple photo-eyes, limit switches, and proximity sensors along high-speed sorting lines.

• Packaging Machinery: Interfacing with operator pushbuttons and machine-state sensors.

• Process Skids: Gathering digital feedback from valves and pressure switches in water treatment or chemical processing.

• Control Cabinet Optimization: Reducing the physical size of control panels by consolidating 32 inputs into a single 35mm wide module.