Allen-Bradley 1769-IQ32 Series A CompactLogix 32-Point 24V DC Input Module
The Allen-Bradley 1769-IQ32 (Catalog Number: 1769-IQ32) is a high-density discrete input module designed for the CompactLogix and MicroLogix 1500 controller families. This Series A module provides 32 digital input channels, categorized under the 24V DC sink/source voltage class. By consolidating 32 points into a single 35mm wide module, the 1769-IQ32 significantly reduces panel space requirements while maintaining robust signal integrity for industrial-scale automation.
The module is organized into four isolated groups of eight inputs each, allowing for versatile field wiring configurations where different power sources or signal commons may be required. It features comprehensive optical isolation to protect the sensitive backplane logic from field-side electrical noise. With a wide operating voltage range and high-speed signal processing, the 1769-IQ32 ensures precise data acquisition from proximity sensors, limit switches, and operator pushbuttons.
Detailed hardware parameters for the 1769-IQ32:
| Parameter | Specification Details |
| Model Number | 1769-IQ32 |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Input Type | 24V DC Sink/Source (Discrete) |
| Number of Inputs | 32 Digital Channels |
| I/O Grouping | 4 Groups of 8 Channels Each |
| Operating Voltage Range | 10–30V DC @ 30°C; 10–26.4V DC @ 60°C |
| Backplane Current | 170 mA @ 5.1V DC (Typical) |
| Power Supply Distance | 8 Modules maximum from power supply |
| Off-state Voltage | 5V DC maximum |
| On-state Voltage | 10V DC minimum |
| Input Delay (On/Off) | 8.0 ms (Hardware fixed) |
| Replacement Terminal | 1769-RTBN18 (Requires two for 32 points) |
| Wire Size | 22–14 AWG Solid/Stranded Copper |
| Operating Temperature | 0 °C to +60 °C (32 °F to 140 °F) |
| Dimensions | 118 x 35 x 87 mm |
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