Product Summary
The 1747-L543 SLC 5/04 processor from Allen-Bradley delivers high-performance control for medium to large automation systems. It features 64K words of battery-backed memory, handles up to 4096 discrete I/O points, and supports 480 analog I/O channels. Built-in DH+ and RS-232 communication ports ensure seamless integration into existing networks, making this processor a powerful solution for complex industrial processes.
Why Choose the 1747-L543 for Your System
The 1747-L543 is the highest memory variant in the SLC 5/04 processor family. It provides 64,000 words of user memory, which is split into 60K for programs and data. This capacity easily manages complex control strategies like PID loops and motion control. The processor executes a program scan in just 0.9 ms/K, ensuring rapid response times for time-sensitive applications. Its robust design supports up to 3 I/O chassis with 30 module slots, offering extensive scalability for growing system demands.
Distributed I/O Architecture Benefits
This processor supports distributed I/O topology, a proven method for centralized control over widely spread signals. You can place SLC racks near remote I/O points, eliminating long cable runs. This architecture reduces installation costs and simplifies troubleshooting. The 1747-L543 uses a communication scanner in remote racks and an adapter in the CPU rack. This setup creates a reliable network that maintains signal integrity across your entire facility.
Integrated Diagnostics and User Interface
The 1747-L543 includes front-panel status LEDs for quick system diagnosis. You can monitor the run state, CPU fault, forced I/O, RS-232, and DH+ activity directly on the module. These indicators allow operators to identify issues instantly without additional tools. The processor also features an intuitive diagnostic buffer. When connected online, this buffer provides detailed fault information and error logs, speeding up maintenance and reducing downtime.
Reliable Data Retention and Backup
The 64 KB RAM on this processor is battery-backed, ensuring program and data retention during power loss. It uses the 1747-BA battery for backup memory. Additionally, the processor supports a Flash EPROM backup memory module (1747-M13) for permanent program storage. This dual-layer protection guarantees your control logic remains safe even during extended outages. The program scan hold-up time ranges from 20 milliseconds to 3 seconds, depending on power supply loading.
Environmental and Mechanical Durability
The 1747-L543 operates reliably in harsh industrial environments. It functions within an operating temperature range of 0 to 60 degrees Celsius and can withstand a storage temperature from -40 to 85 degrees Celsius. The module handles non-condensing relative humidity between 5 and 95%. It also resists mechanical stress with a shock rating of 30 G and vibration tolerance of 2.5 G at 57 to 2000 Hertz. These specifications ensure long-term performance in demanding factory floor conditions.
Programming and Application Flexibility
You can program the 1747-L543 using basic bit logic instructions for simple tasks or advanced instructions for complex applications. The processor supports Proportional-Integral-Derivative (PID) controls, motion control, and position control. This flexibility makes it suitable for a wide range of industries, from manufacturing to material handling. The SLC 500 family is discontinued, but Allen-Bradley released revisions compatible with modern Microsoft operating systems for continued support.
Logistics & Standard Packaging Details
- One (1) Allen-Bradley 1747-L543 SLC 5/04 Processor Module
- One (1) Installation and User Manual
- Anti-static protective packaging for safe transit
- Express delivery shipping is available via FedEx, UPS, and DHL for rapid deployment.
