Introduction
The Allen Bradley 1768-L43 is a CompactLogix L43 processor module designed to deliver high-speed performance, flexible communication, and motion control capabilities within mid-sized automation systems. This controller integrates 1768-series communication modules and 1769 I/O modules, providing a scalable architecture suitable for both standalone machines and distributed control networks.
Engineered for applications that demand precision, speed, and modularity, the 1768-L43 serves as a powerful bridge between CompactLogix and ControlLogix platforms, supporting motion, safety, and network integration in a single control environment.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Processor Type | CompactLogix L43 | Mid-range programmable automation controller (PAC) |
| User Memory | 2 MB | Provides large program and data storage for advanced applications |
| Nonvolatile Memory | 1784-CF64 (64 MB CompactFlash card) | Optional memory for data retention |
| Communication Ports | 1 × RS-232 / RS-485, 1 × Ethernet, 1 × USB | Multi-protocol connectivity for devices and networks |
| Motion Control Support | Yes (up to 4 axes via 1768-M modules) | Integrated motion synchronization |
| Programming Software | RSLogix 5000 / Studio 5000 | Supports modern programming environments |
| Communication Protocols | EtherNet/IP, DF1, ASCII | Enables flexible and open communication |
| I/O Module Support | 1769 Compact I/O modules | Supports up to 16 local I/O modules |
| Task Execution Rate | 0.5 ms typical | High-speed logic scan for real-time control |
| Power Supply | 24 V DC | External power input through the 1768-PA3 supply |
| Current Draw (5 V DC) | 1.0 A typical | Consumed via the 1768 backplane |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) | Industrial operating range |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) | Non-operational storage limit |
| Humidity | 5%–95% non-condensing | Designed for harsh factory conditions |
| Shock Resistance | 30 g operational | Complies with IEC 60068-2-27 |
| Vibration Resistance | 5–2000 Hz @ 1 g | Meets industrial durability standards |
| Dimensions (H × W × D) | 140 mm × 90 mm × 110 mm (5.5″ × 3.5″ × 4.3″) | Compact modular design |
| Weight | 0.65 kg (≈1.43 lbs) | Lightweight and easy to install |
Applications
The 1768-L43 CompactLogix controller is tailored for applications requiring high-speed control, motion coordination, and flexible network communication. Common use cases include:
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Motion Control Systems – Ideal for packaging, printing, and assembly lines requiring multi-axis synchronization.
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Machine Automation – Handles complex sequencing, interlocks, and real-time feedback for discrete machines.
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Material Handling Systems – Coordinates conveyors, sensors, and actuators across Ethernet networks.
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Process Control – Manages analog I/O for batch or continuous process systems.
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OEM Equipment Integration – Offers compact design and open communication protocols for easy machine integration.
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SCADA Integration – Communicates directly with HMIs, data loggers, and SCADA systems via EtherNet/IP.
Advantages
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High-Speed Logic and Motion Control: Executes logic in sub-millisecond intervals and integrates up to 4 motion axes.
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Dual-Bus Architecture: Supports 1768 and 1769 modules simultaneously for flexible I/O and communication expansion.
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Open Communication: EtherNet/IP and serial ports allow integration with third-party devices and remote systems.
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Compact Modular Design: Small footprint saves panel space while maintaining expandability.
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Data Security and Backup: Optional CompactFlash card enables program storage and easy replacement.
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Advanced Programming: Compatible with Studio 5000 for structured programming, tag-based addressing, and diagnostics.
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Energy Efficient: Low power consumption with wide operating voltage and thermal tolerance.
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Seamless Integration: Part of Rockwell Automation’s Logix architecture for unified control solutions.
Company Information
E-mail: [email protected]
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Add: Alishan Building, 2 Lvling Rd, Siming District, Xiamen, Fujian, China, 361006
Our services
We are specialized in providing industrial automation parts with a one-year warranty. Our industrial automation parts are sold all over the world.
We can provide equipment and spare parts from different countries and manufacturers, solve your worries or quality problems in many places, and have a great price advantage.
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