Excellent PLC
Product Introduction
The Allen-Bradley 1764-28BXB MicroLogix 1500 Programmable Controller Base Unit is a robust and compact programmable logic controller designed for small-to-medium industrial automation applications. Manufactured by Rockwell Automation under the Allen-Bradley label, this unit combines modular architecture with high-performance processing, flexible I/O capability, and a compact footprint for efficient panel installation.
The 1764-28BXB base unit supports DC power input ranging from 20.4 to 30 VDC and offers a combination of relay and transistor outputs. This flexibility allows precise control over a variety of industrial devices such as motors, solenoids, indicators, and contactors. High-speed outputs capable of frequencies up to 20 kHz enable precise timing and motion control applications.
This controller’s integrated I/O and modular design simplify installation while providing expandability for larger automation requirements. Its rugged industrial construction ensures reliable operation in harsh environments, while compatibility with RSLogix programming software enables fast and efficient system setup and maintenance.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | Programmable Controller Base Unit |
| Series | MicroLogix 1500 |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Power Supply Voltage | 20.4–30 VDC |
| Power Usage | 30 W |
| Digital Inputs | Configurable Inputs per Module |
| Relay Outputs | 24–125 VDC; 120–240 VAC |
| Transistor Outputs | 20.4–26.4 VDC |
| High-Speed Output Frequency | 20 kHz |
| Controller Architecture | Modular PLC Base Unit |
| Communication Capability | Compatible with MicroLogix processor modules |
| Mounting Method | DIN Rail or Panel Mount |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | −40°C to +85°C |
| Protection Rating | IP20 |
| Dimensions | 168 × 87 × 138 mm |
| Weight | 0.74 kg |
Applications
• Industrial Machine Automation
Used in cutting, labeling, and assembly machines requiring both relay and transistor outputs for precise control.
• Packaging Machinery Control
Controls conveyor drives, actuators, and sensors with relay outputs and high-speed transistor outputs for timing-critical operations.
• Material Handling Systems
Conveyors, sorters, and automated storage systems utilize its high-speed outputs for accurate motion control and event sequencing.
• Process Control Systems
Ideal for water treatment, chemical dosing, and mixing systems where both standard and high-speed switching is required.
• Building and Facility Automation
Manages HVAC systems, pumps, and energy monitoring devices using the flexible relay and transistor output combinations.
• Motion Control Applications
High-speed transistor outputs (up to 20 kHz) enable precise control for stepper motors, servo drives, or pulse-based actuators.
Advantages
• Dual Output Flexibility
Supports both relay and transistor outputs, enabling compatibility with AC and DC loads while providing high-speed switching where needed.
• High-Speed Output Capability
Transistor outputs up to 20 kHz allow precise timing control for motion applications and high-frequency signal control.
• Integrated Modular Design
Combines power supply, processor, and I/O in a single compact unit while allowing expansion for additional I/O modules.
• Reliable Industrial Performance
Designed to operate under harsh conditions with consistent performance across wide temperature ranges.
• Compact Footprint
Efficient panel design reduces space requirements and simplifies machine cabinet layouts.
• Ease of Integration
Works seamlessly with other Allen-Bradley automation products, ensuring standardized and scalable system designs.
• Efficient Power Usage
Low power consumption (30 W) reduces energy costs and heat generation in control panels.
