
Allen-Bradley 1762-L40BXB MicroLogix 1200 Controller
Precision Control with the Allen-Bradley 1762-L40BXB
The Allen-Bradley 1762-L40BXB delivers robust control for demanding industrial applications. This MicroLogix 1200 controller offers a potent mix of high-speed inputs and versatile outputs. It streamlines machine control with its integrated power supply. Engineers value its compact form factor for panel installations.
This model features twenty-four inputs for diverse sensor integration. Four of these inputs operate as fast inputs for precise counting. The 1762-L40BXB also provides sixteen outputs, mixing relay and FET types. This hybrid output architecture handles both high-current and high-speed switching tasks.
Product Procurement & Buyer Guide

Procurement teams should specify the 1762-L40BXB for its flexible I/O configuration. The unit runs on a 24V DC power supply with a wide tolerance. It accepts Class 2 SELV power sources for safe operation. This controller dissipates only 21 Watts of heat during use. Its compact dimensions save valuable space in control cabinets.
Application engineers benefit from the integrated trimmer potentiometers. These tools allow for analog data simulation without extra modules. The unit includes a built-in memory module for program storage. You can upgrade this with a 1762-MM1RTC for real-time clock functions. This is crucial for timestamp-dependent processes.
The output circuit combines eight relays with eight FET outputs. Relays handle loads up to 10A for devices like contactors. The FET outputs switch quickly for applications like small actuators. One FET output operates at high speed for precise motion control.
Expert Technical Evaluation & Performance Review

The 1762-L40BXB excels in environments requiring mixed signal processing. Its first input group handles frequencies up to 20 kHz. This makes it ideal for high-speed counting applications. The normal impedance for these fast inputs is 3.3 KOhms. The second input group operates at 1 kHz for standard sensors.
The input circuit uses a sink/source configuration for flexibility. Both input groups share an off-state leakage current of 1.5 mA. The on-state voltage for fast inputs ranges from 14 to 24 Volts DC. Standard inputs activate between 10 and 24 Volts DC. The maximum current per common group is 8 Amps.
The real-time clock functionality supports accurate schedule control. Memory retention protects the user program during power cycles. The RS232 port enables simple connection to HMIs or PCs. This controller weighs only 2.4 pounds for easy handling. The ambient operating temperature ranges from 0 to 55 degrees Celsius.
Logistics & Standard Packaging Details

- 1 x Allen-Bradley 1762-L40BXB MicroLogix 1200 Programmable Controller
- Integrated 24V DC Power Supply
- Built-in Memory Module
- Product Documentation
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