1766-L32BXB MicroLogix 1400 32-Point Controller 24V DC | Allen-Bradley

The Original New Allen-Bradley 1766-L32BXB 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 panel 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, HVAC systems, and OEM equipment. Supports up to seven 1762 expansion I/O modules for scalable system growth.

Core Engineering Highlights:
24V DC power supply | 20 digital inputs (12 fast 24V DC + 8 normal 24V DC) | 12 outputs (6 relay + 3 fast DC + 3 normal DC) | Built-in LCD with backlight | 6 embedded 100 kHz high-speed counters | Ethernet, RS-232, RS-485 communication | 20K user memory + 10K data memory | Supports up to 7 expansion modules

Key Features:

• Original New Allen-Bradley 1766-L32BXB controller

• 24V DC power supply

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

• 12 outputs: 6 relay outputs + 3 fast 24V DC outputs + 3 normal 24V DC outputs

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

• 20K user program memory

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

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

• 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: isolated RS-232/RS-485 combo + non-isolated RS-232

• Supports DF1, DH-485, Modbus RTU, DNP3, ASCII, EtherNet/IP, and Modbus TCP/IP

• Supports up to seven 1762 expansion I/O modules for scalable system growth

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

• DIN rail or panel mounting

• Suitable for Class I Division 2 hazardous locations

• Lifecycle status: Active Mature

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

• OEM equipment and panel retrofits

• Commercial machinery (vending, industrial washers/dryers)

Technical Specifications:

• Catalog Number: 1766-L32BXB

• Product Family: MicroLogix 1400

• Product Type: Programmable Logic Controller

• Lifecycle Status: Active Mature

• Power Supply: 24V DC Class 2 SELV

• Input Voltage Range: 10-30V DC @ 30°C, 10-26.4V DC @ 60°C

• Power Consumption: 7.5W (without expansion I/O)

• Inrush Current: 15A for 20ms at 24V DC

• 24V DC Sensor Power: Up to 250mA, 400µF capacity

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

• Fast Inputs: Inputs 0-11, 10-30V DC @ 30°C, 10-26.4V DC @ 60°C

• Input Current: 3.2 mA @ 10V DC, 5.3 mA @ 24V DC, 5.5 mA @ 30V DC

• Input Impedance: 4.5 kΩ

• Digital Outputs: 6 relay outputs + 3 fast 24V DC outputs + 3 normal 24V DC outputs

• Analog Inputs: None (no embedded analog I/O)

• 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 Isolated RS-232/RS-485 combo port (RJ45)

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

• Supported Protocols: DF1, DH-485, Modbus RTU, ASCII, DNP3, EtherNet/IP, DNP3 over IP, Modbus TCP/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, Connected Components Workbench

• Mounting: DIN Rail or Panel Mount

• Dimensions (H x W x D): 90 x 180 x 87 mm (3.5 x 7.09 x 3.43 in.)

• Weight: Approx. 0.9 kg (2.0 lbs)

• Enclosure Type: Open-style

• Operating Temperature: 0°C to 60°C

• Storage Temperature: –40°C to 85°C

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

• Hazardous Location: Class I Division 2

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

• UPC: 612598518111

• 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

• Connected Components Workbench software

• EtherNet/IP networks

• Modbus communication support

Related Products:

• 1766-L32BWA – 32-point controller, 120/240V AC power, relay outputs

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

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

• 1766-L32AWA – 32-point controller, 120/240V AC power, AC inputs

• 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.