
Introduction
The Allen Bradley 1762-L40BWA is a MicroLogix 1200 programmable logic controller (PLC) designed for small to medium automation tasks that demand efficiency, reliability, and easy scalability. This controller combines a built-in CPU, digital I/O, and integrated communication ports, making it an all-in-one control solution for industrial and OEM applications.
Equipped with 24 digital inputs and 16 digital outputs, the 1762-L40BWA offers powerful control capabilities within a compact footprint. It supports advanced instruction sets, high-speed counters, pulse train outputs, and data logging functions. With its AC power input and relay outputs, the module is suitable for diverse industrial environments, providing flexible integration into existing control systems.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Module Type | MicroLogix 1200 CPU Controller | Compact PLC for discrete automation systems |
| Power Supply Type | 100–240V AC | Built-in power supply for easy installation |
| Input Points | 24 digital inputs | Supports 120V AC input signals |
| Output Points | 16 relay outputs | For controlling external AC/DC devices |
| Processor Speed | 0.37 µs per Boolean instruction | Ensures fast logic execution |
| User Memory | 7 KB | For program and data storage |
| Expansion Capability | Up to 6 expansion modules | Supports analog, digital, and specialty I/O |
| High-Speed Counters | 6 channels (up to 20 kHz) | For precise counting and motion control |
| Communication Ports | 1 × RS-232/RS-485 combo | Supports DF1, DH485, and Modbus RTU protocols |
| Operating Voltage | 100–240V AC | Universal power compatibility |
| Output Type | Relay | Suitable for AC/DC loads |
| Real-Time Clock | Built-in | Time-stamped data and scheduling support |
| Backplane Current (5V) | 350 mA | For powering expansion modules |
| Operating Temperature | 0°C to +55°C (32°F to 131°F) | Suitable for most industrial settings |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) | Safe storage range |
| Relative Humidity | 5%–95% non-condensing | Designed for tough industrial environments |
| Vibration Resistance | 10–500 Hz, 2 g | IEC 60068-2-6 compliance |
| Shock Resistance | 30 g operational | Rugged construction for durability |
| Dimensions (H × W × D) | 90 mm × 182 mm × 87 mm (3.5″ × 7.2″ × 3.4″) | Compact housing design |
| Weight | 0.95 kg (2.1 lbs) | Solid yet manageable for panel installation |
Applications
The 1762-L40BWA controller is widely used in compact automation systems that require reliability, flexibility, and high functionality:
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Material Handling Equipment: Controls conveyors, sorters, and actuators.
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Packaging Machinery: Provides sequencing, motion, and speed control.
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HVAC Systems: Manages fans, compressors, and dampers efficiently.
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Water & Wastewater Management: Controls pumps, valves, and level sensors.
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Food & Beverage Lines: Automates mixing, batching, and filling processes.
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OEM Machines: Ideal for compact, standalone control systems.
Advantages
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Integrated Design: Combines CPU, I/O, and communication in one unit.
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Flexible Power Input: Operates directly on 100–240V AC without external power supply.
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High-Speed Counters: Supports motion and precision control applications.
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Relay Outputs: Compatible with both AC and DC loads.
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Expandable Architecture: Up to six expansion modules for future scalability.
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Reliable Communication: Built-in RS-232/485 port for multi-protocol connectivity.
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Real-Time Clock: Enables time-based operations and event logging.
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Compact Footprint: Saves panel space while providing full control functionality.
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Robust Construction: Designed for industrial-grade vibration and shock tolerance.
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Ease of Programming: Configured through RSLogix 500 software with intuitive interface.
Excellent PLC
