1764-24BWA | Allen-Bradley | MicroLogix 1500 24-Point AC/DC Base Unit

Overview

The 1764-24BWA is a compact and durable base unit from the Allen-Bradley MicroLogix 1500 family. It provides an integrated platform for industrial automation systems, combining AC power input, DC I/O capability, and expandability into a single reliable base. This unit is ideal for process control, discrete manufacturing, and machine-level automation.

Key Features

• Model Number: 1764-24BWA

• Manufacturer: Allen-Bradley (Rockwell Automation)

• Series: MicroLogix 1500

• Type: Programmable Controller Base Unit

• Power Supply: 120/240 V AC, single phase

• Embedded I/O: 12 digital inputs and 12 digital outputs

• Input Type: 24 V DC, sink/source

• Output Type: 24–125 V DC or 120–240 V AC

• Communication Port: RS-232 serial interface for programming and data exchange

• Expansion Capability: Supports up to 512 I/O points using 1769 Compact I/O modules

• Processor Compatibility: Works with 1764-LSP and 1764-LRP processors

• Optional Modules: Supports 1764-MM1/MM2/MM3/MM4 memory modules and 1764-RTC real-time clock

Technical Specifications

• Input Voltage: 24 V DC

• Output Voltage: 24–125 V DC or 120–240 V AC

• Power Consumption: 100 VA nominal

• Operating Temperature: 0°C to 55°C (32°F to 131°F)

• Storage Temperature: -25°C to 70°C (-13°F to 158°F)

• Mounting Type: Panel or DIN rail

• Dimensions: 5.43 × 6.62 × 3.43 in (138 × 168 × 87 mm)

• Weight: 0.75 kg (1.65 lbs)

• Enclosure: Open-style, suitable for protected enclosures

Performance and Design

The 1764-24BWA integrates seamlessly into MicroLogix 1500 control systems. It delivers efficient I/O handling, stable AC/DC operation, and modular scalability for future system growth. Its isolation design and high electrical durability make it dependable even in vibration-prone or noisy industrial environments.

Applications

The 1764-24BWA is suitable for a wide range of automation tasks, including:

• Machine control and motion applications

• Packaging and assembly equipment

• Process automation and monitoring

• Building management and HVAC systems

• OEM and custom control solutions

FAQ

Q1: What processors can be installed with the 1764-24BWA?
A1: It supports 1764-LRP and 1764-LSP processor modules.

Q2: Can the unit be expanded for additional I/O?
A2: Yes, it supports up to 512 I/O points when connected with Compact I/O modules.

Q3: Does the unit support both AC and DC power?
A3: Yes, it operates on 120/240 V AC input and supports DC I/O.

Q4: What communication interface does it provide?
A4: It features an RS-232 serial port for programming and data exchange.