Product Overview
The Allen-Bradley 1762-IQ32T is a high-density discrete input module from Rockwell Automation, part of the MicroLogix series. It is designed for use with MicroLogix 1100, 1200, and 1500 controllers. This module features thirty-two (32) input channels organized into four (4) isolated groups of eight (8) channels each, offering flexibility in wiring and isolation for different signal sources.
Technical Specifications Breakdown
Key parameters for the 1762-IQ32T are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Rockwell Automation |
| Module Type | High-density Discrete input module |
| Series | MicroLogix |
| Part Number | 1762-IQ32T |
| Brand | Allen-Bradley |
| No. of Inputs | Thirty-Two (32) channels |
| No. of groups | Four (4) isolated groups |
| Channels per group | Eight (8) |
| Compatible controllers | MicroLogix 1100, 1200 and 1500 |
| Nominal input voltage | 24VDC |
| Input voltage range | 10-30 VDC |
| ON-state Current, min. | 1.6 mA @ 10V DC; 2 mA @ 15V DC |
| Signal Delay, ON transition | 8 ms |
| Backplane Current, 5.1VDC | 170 mA |
| Backplane Current, 24VDC | 0 mA |
| Isolation rating | Verified by one of the following dielectric tests: 1,200V AC for 2 s or 1,697V DC for 2 s 75V DC working voltage (IEC Class 2 reinforced insulation) |
| Input Power | 24 Volts DC (Sink/Source) |
| Operating Voltage Range | 10 to 26.4 Volts DC |
| Inputs | 32 |
| Mounting Type | DIN Rail |
| Bus Current Draw | 0-170 milliamps |
| Signal Delay | 8 milliseconds |
| Heat Dissipation | 5.4 to 6.8 Watts |

Industry Applications
The group isolation feature allows different voltage sources or ground references to be used safely within the same module, reducing the need for additional isolation components. In packaging machinery, for example, the 1762-IQ32T can monitor multiple stations simultaneously, improving operational efficiency.
Installation & Setup Guidance
Mount the module on a DIN rail in a non-hazardous, dry, and clean environment. Ensure circuits do not cross over Voltage Category II standards. Before installation, remove power to avoid electrostatic discharge damage. The module communicates via the 1762 bus interface, receiving power at 10, 24, and 30 Volts DC. Wire input terminal blocks using the finger-safe cover provided. Configure each channel's operation after installation using the appropriate programming software.
Maintenance & Reliability
Periodically inspect the module for signs of dust or moisture accumulation. The single status LED indicates power and helps identify issues. Always stand away from equipment during troubleshooting and check for program changes. Safety circuits should be wired in series to the master relay.

Compatibility & Integration
The 1762-IQ32T is compatible with MicroLogix 1100, 1200, and 1500 controllers. It adds 32 inputs to the system, expanding I/O capacity beyond the controller's built-in points. The module supports both sink and source wiring configurations, offering flexibility in field device connections.
Selection Guide & Purchasing Advice
When selecting this module, verify compatibility with your existing MicroLogix controller. The 1762-IQ32T is available from AutoDCSTech, an industrial automation parts supplier. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 1762-IQ32T |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
