Description

​Product Overview

The 1762-L40BWA is a high-performance, compact Programmable Logic Controller (PLC) from the Allen-Bradley MicroLogix 1200 series. Engineered to bridge the gap between small-scale control and complex automation, this module provides a comprehensive 40-point I/O density. It effectively manages 24 discrete 24V DC inputs (supporting both sinking and sourcing configurations) alongside 16 robust relay outputs. Because the hardware is rated for up to 20 million mechanical cycles, it offers exceptional longevity in high-duty manufacturing environments where reliability is non-negotiable.

Technical Functionality and Connectivity

Communication serves as a cornerstone of the 1762-L40BWA architecture. The unit features an integrated 8-pin Mini DIN RS-232 port, which allows for versatile interfacing with industrial peripherals. The processor natively supports essential protocols including DF1 (Full and Half Duplex), DH-485, Modbus RTU (Master/Slave), and ASCII. While the module is primarily designed for peer-to-peer communication, engineers can expand its networking reach. By utilizing external converters like the 1761-NET-AIC or Ethernet-to-Serial bridges, this controller integrates seamlessly into broader plant-wide architectures.

Power and Environmental Requirements

Operating on a universal 120/240V AC power supply, the 1762-L40BWA adapts to various global power standards with a frequency range of 47 to 63 Hz. The input stage includes four high-speed channels specifically designed for time-sensitive applications, such as pulse capture or high-speed counting. To maintain the integrity of its electronic components, the controller requires installation within a protected enclosure. It operates optimally between 0°C and 55°C (32°F to 131°F). Consequently, users should implement supplemental heating or cooling within the cabinet if the installation site experiences extreme temperature fluctuations.

Technical Specifications

• Manufacturer: Allen-Bradley / Rockwell Automation
• Series: MicroLogix 1200
• Model Number: 1762-L40BWA
• I/O Count: 40 Points (24 Inputs / 16 Outputs)
• Input Voltage: 24V DC (Sink/Source)
• Output Type: Relay (AC/DC)
• Operating Power: 100-240V AC
• Communication Port: 8-pin Mini DIN (RS-232)
• Mechanical Life: 20 Million Cycles
• Mounting: DIN Rail or Panel Mount
• Dimensions: 19.5 x 12.5 x 9.5 cm
• Weight: 0.9 kg