1766-L32BWA MicroLogix 1400 32-Point Controller 120/240V AC | Allen-Bradley

The Original New Allen-Bradley 1766-L32BWA MicroLogix 1400 32-Point Controller is a compact, high-performance programmable logic controller designed for small to mid-size industrial automation applications. Featuring a built-in LCD with backlight, this controller provides a higher I/O count, faster high-speed counter, pulse train output, and enhanced network capabilities for efficient machine control. Ideal for manufacturing plants, material handling, packaging, water and wastewater treatment facilities, HVAC systems, and OEM equipment. The controller supports up to seven 1762 expansion I/O modules for scalable system growth.

Core Engineering Highlights:
120/240V AC power supply | 20 digital inputs (12 fast 24V DC + 8 normal 24V DC) | 12 relay outputs | 20K user memory | Built-in LCD with backlight | 6 embedded 100 kHz high-speed counters | Ethernet, RS-232, RS-485 communication | Real-time clock | Supports up to 7 expansion modules

Key Features:

• Original New Allen-Bradley 1766-L32BWA controller

• 20 digital inputs: 12 fast 24V DC inputs + 8 normal 24V DC inputs

• 12 relay outputs for AC/DC load switching

• Built-in LCD with backlight for local status monitoring and configuration

• 20K user program memory and 10K user data memory

• 6 embedded 100 kHz high-speed counters (DC input models only)

• Built-in real-time clock for time-based control applications

• Non-volatile memory retains program and data when power is lost

• Embedded Ethernet port with web server, email, and protocol support

• Two serial ports: RS-232/RS-485 combo + non-isolated RS-232

• Supports up to seven 1762 MicroLogix expansion I/O modules

• Supports DF1, DH-485, Modbus RTU, DNP3, and ASCII protocols

• Removable memory module option (1766-MM1) for program backup and transport

• Up to 128 KB for data logging and 64 KB for recipe storage

• DIN rail mounting

• Thermoplastic housing for impact and corrosion resistance

• Non-volatile memory for program and data retention

• Suitable for Class I Division 2 hazardous locations

Applications:

• Small to mid-size machine automation and control

• Conveyor and material handling systems

• Packaging machinery control

• Water and wastewater treatment facilities

• HVAC system control

• Pharmaceutical equipment

• OEM equipment and panel retrofits

• Commercial machinery (vending, industrial washers/dryers)

Technical Specifications:

• Catalog Number: 1766-L32BWA

• Product Family: MicroLogix 1400

• Product Type: Programmable Logic Controller

• Power Supply: 120/240V AC (85-264V AC range), 47-63 Hz

• Power Consumption: 120 VA max

• Inrush Current: 25 A for 8 ms @ 120V AC, 40 A for 4 ms @ 240V AC

• 24V DC Sensor Power: 24V DC @ 250 mA, 400 µF max

• Digital Inputs: 20 total (12 fast 24V DC + 8 normal 24V DC)

• Fast Inputs: Inputs 0-11, 4.5-30V DC @ 30°C, 4.5-26.4V DC @ 60°C

• Digital Outputs: 12 relay outputs

• Relay Life (Electrical): 2 × 10⁵ operations min (2.5A, 250V AC/30V DC)

• Embedded Analog I/O: None (analog I/O available on 1766-L32BWAA and -BXBA models only)

• User Memory: 20 KB program + 10 KB data

• Data Logging: Up to 128 KB

• Recipe Storage: Up to 64 KB

• High-Speed Counters: Up to 6 embedded 100 kHz counters

• Communication Ports:

  • 1 Ethernet (RJ45)

  • 1 RS-232/RS-485 combo port (RJ45)

  • 1 Non-isolated RS-232 (D-sub connector)

• Supported Protocols: DF1, DH-485, Modbus RTU, DNP3, ASCII, EtherNet/IP

• Expansion: Up to 7 x 1762 I/O modules

• LCD Display: Built-in with backlight

• Real-Time Clock: Built-in, battery-backed

• Memory Module: 1766-MM1 (optional accessory)

• Programming Software: RSLogix 500 (version 8.10 or later for Series A, 8.30 or later for Series B/C)

• Dimensions (H x W x D): 87 x 180 x 90 mm (3.43 x 7.09 x 3.54 in.)

• Weight: Approx. 0.9 kg (2.0 lbs)

• Mounting: DIN Rail

• Enclosure Type: Open-style (IP20)

• Wire Size: 0.25-2.5 mm² (22-14 AWG) solid or stranded copper, rated 90°C

• Terminal Screw Torque: 0.79 N·m (7.0 lb·in)

• Operating Temperature: –20°C to +60°C

• Storage Temperature: –40°C to +85°C

• Relative Humidity: 5% to 95% non-condensing

• Certifications: CE, cULus, KC, RCM, UL

• Lifecycle Status: Active Mature

• Country of Origin: Singapore

System Compatibility:

• Rockwell Automation MicroLogix 1400 series

• 1762 expansion I/O modules (up to 7 modules)

• 1766-MM1 memory module (optional)

• RSLogix 500 programming software (version 8.10 or later for Series A, 8.30 or later for Series B and C)

• Connected Components Workbench software

• EtherNet/IP networks

• DeviceNet networks (via optional adapter)

• Modbus communication support

Related Products:

• 1766-L32BXB – 32-point controller, 24V DC power, DC outputs

• 1766-L32BWAA – 32-point controller with embedded analog I/O

• 1766-L32BXBA – 32-point controller, 24V DC power, embedded analog I/O

• 1766-MM1 – Memory module for MicroLogix 1400

• 1762 expansion I/O modules – Digital, analog, and specialty I/O

• 1761-CBL-AM00 – RS-232 communication cable

• 1763-NC01 – RS-232 programming cable

PLC ERA is an independent industrial automation distributor supplying 100% genuine Original New products through established global supply channels. Allen-Bradley, MicroLogix, and Rockwell Automation are trademarks of Rockwell Automation.