MicroLogix 1400 | Allen-Bradley | 1766-L32BWA Programmable Controller

Product Description

The Allen-Bradley 1766-L32BWA is a MicroLogix 1400 controller designed for mid-range automation systems requiring flexible I/O capacity and advanced communication options. With 32 total I/O points, integrated relay outputs, and multiple communication ports, it provides robust control for distributed applications. Built-in real-time clock functionality and support for Ethernet/IP and serial protocols make it suitable for modern industrial networks.

Key Features

• Manufacturer: Rockwell Automation

• Brand: Allen-Bradley

• Model Number: 1766-L32BWA

• Series: MicroLogix 1400

• Type: Programmable Controller

• Inputs:

• 12 fast 24 VDC digital inputs

• 8 standard 24 VDC digital inputs

• 20 discrete inputs (120 VAC)

• Outputs:

• 12 relay outputs

• Total I/O Points: 32

• Memory Capacity: 20 KB

• Power Supply: 100–240 VAC

• Operating Frequency: 47–63 Hz

• Power Consumption: 120 VA

• Inrush Current:

• 25 A for 8 ms @ 120 VAC

• 40 A for 4 ms @ 240 VAC

• Resolution: 12-bit

• Communication Ports:

• 1 × RS232/RS485

• 1 × Ethernet

• 1 × RS232

• Supported Protocols:

• Serial: DF1, ASCII, Modbus RTU, DNP3, DH485

• Ethernet: Ethernet/IP, DNP3, Modbus TCP/IP

• Mounting Options: DIN rail or panel mount

• Wire Size: 22–14 AWG

• Cable Length: Up to 30 m

• Weight: 2.06 lbs (≈ 0.94 kg)

• Additional Feature: Built-in real-time clock (RTC)

Application Scenarios

• Process Control Systems: Provides reliable PLC functionality for manufacturing and energy applications

• Networked Automation: Integrated Ethernet and serial ports allow seamless communication across industrial networks

• Compact Installations: Space-efficient design for panel-mounted or DIN rail enclosures

• Time-Critical Applications: Built-in RTC ensures precise scheduling and event logging

FAQ

Q: How many I/O points does the 1766-L32BWA support?  A: It provides 32 points, including 20 inputs and 12 relay outputs.

Q: What communication protocols are supported?  A: DF1, ASCII, Modbus RTU, DNP3, DH485, Ethernet/IP, and Modbus TCP/IP.

Q: Does the controller include a real-time clock?  A: Yes, it has a built-in RTC for time-based operations.

Q: How does it compare to the 1766-L32AWA model?  A: The 1766-L32BWA supports DC inputs and relay outputs, while the 1766-L32AWA provides AC input configurations, making each suited to different system requirements.