Product Summary

The 1762-L24BWAR is a powerful embedded I/O controller from Rockwell Automation. It integrates 10 relay outputs with 14 DC inputs for versatile machine control. This unit operates on a universal 120-240V AC input power supply. The controller offers a compact footprint for space-constrained industrial panels. Engineers can trust this module for reliable sink/source logic applications.

Expert Technical Evaluation & Performance Review

Input Power and Electrical Architecture

The 1762-L24BWAR accepts a wide input power range from 120 to 240 Volts AC. This flexibility allows deployment in global facilities without modification. The controller integrates a dedicated sensor power supply for field devices. However, this supply has a COM internally tied to chassis ground. You must only use it for input devices like switches and sensors. Never connect this supply to output circuits to avoid ground loops.

Input Channel Specifications and Signal Handling

This controller features 10 standard 24V DC inputs and 4 fast 24V DC inputs. The standard inputs (0 to 3) operate at a frequency range of 0 to 20 Hertz. The fast inputs (4 and above) handle frequencies from 0 Hertz to 1k Hertz. The scan time directly affects the maximum frequency for fast inputs. For inputs 0 to 3, the minimum on-state current is 2.5 mA at 14 Volts DC. The nominal current for these inputs is 7.3 mA at 24 Volts DC. For inputs 4 and above, the minimum on-state current is 2 mA at 10 Volts DC. The nominal current for these inputs is 8.9 mA at 24 Volts DC. The off-state voltage range sits between 0 and 5 Volts DC. The off-state leakage current is a minimum of 1.5 mA for reliable signal distinction.

Output Configuration and Relay Capabilities

The 1762-L24BWAR provides 10 relay outputs for switching inductive loads. These outputs offer electrical isolation from the controller logic. This design protects the internal circuitry from voltage spikes. Relay outputs are ideal for controlling motors, solenoids, and contactors. The total current draw equals the sum of all connected sensor currents. This calculation is critical for proper power supply sizing.

Communication Port and Network Integration

An extra RS-232 communications port enhances connectivity options for this controller. This port functions as a Programmer or HMI interface for local access. The port only supports DH Full-duplex applications for data exchange. It cannot initiate messages to other network devices. You also cannot modify the communication port parameters. This fixed configuration simplifies setup for dedicated point-to-point links.

Mechanical Dimensions and Mounting Considerations

The 1762-L24BWAR measures approximately 3.5 x 4.33 x 3.43 inches. This compact size allows installation in tight control cabinet spaces. The module mounts directly onto a DIN rail for quick installation. Its rugged construction withstands typical industrial environmental conditions. Proper airflow around the unit ensures reliable thermal performance.

Logistics & Standard Packaging Details

• One (1) Allen-Bradley 1762-L24BWAR MicroLogix 1200 Controller
• Product documentation and quick-start guide
• Removable terminal blocks for input and output wiring
• We offer express delivery shipping via FedEx, UPS, and DHL.