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Help CenterAllen-Bradley 1747-L543 is a SLC 500 SLC 5/04 Processor
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Allen-Bradley 1747-L543 SLC 5/04 Processor – Reliable Performance for Industrial Control
As a trusted supplier of industrial automation components, Rossonix Co., Limited (established in 2011) proudly presents the genuine Allen-Bradley 1747-L543 processor module from the SLC 500 series. This SLC 5/04 CPU is designed to deliver robust and flexible control for medium to complex automation tasks. With our ISO9001-certified quality management system and a decade of export experience, we ensure every unit is carefully tested and packaged to meet your operational demands. Whether you are upgrading an existing SLC 500 system or building a new control panel, the 1747-L543 offers proven reliability and seamless integration.
Key Features & Technical Specifications
Processor Architecture: Built on the industry-standard SLC 500 platform, the 5/04 CPU provides enhanced execution speed and memory capacity compared to earlier SLC 5/01, 5/02, and 5/03 models.
Memory Configuration: Program memory size is configurable (typically up to 16K words for logic and 4K words for data). Contact us for exact specifications based on your firmware revision.
Communication Capabilities: Supports DH+ (Data Highway Plus), DH-485, and optional RS-232 port for programming and networking. Easily integrates with PanelView terminals, drives, and other Allen-Bradley controllers.
Built-in Real-Time Clock: Enables time-stamped data logging and scheduled operations without additional modules.
Expandable I/O: Works with the full range of SLC 500 I/O modules (1746 series) via the 1746-BL bus, offering up to 30 slots for local chassis expansion.
Firmware: Standard firmware version available; custom firmware can be pre-loaded upon request.
| Parameter | Specification |
|---|---|
| Model Number | 1747-L543 |
| Series | SLC 500 |
| Processor Type | SLC 5/04 |
| Program Memory (Typical) | 16K words (configurable) |
| Data Memory (Typical) | 4K words |
| On-board Communication | DH+ (1 port), DH-485 (1 port) |
| Optional Serial Port | RS-232 (catalog 1747-CP3 cable required) |
| Real-Time Clock | Yes, battery-backed |
| Power Requirement | 5V DC via chassis (typical 1.2A) |
| Operating Temperature | 0–60 °C (32–140 °F) |
Why Choose the 1747-L543 for Your Application?
Enhanced Processing Speed: The SLC 5/04 offers faster instruction throughput than earlier processors, reducing scan times and improving overall system responsiveness. This is critical for high-speed packaging, material handling, and assembly lines.
Superior Networking Integration: With native DH+ and DH-485 support, you can easily connect multiple controllers, operator interfaces, and drives without additional protocol converters. This simplifies system architecture and lowers total cost of ownership.
Field-Proven Reliability: The SLC 500 platform has been deployed in thousands of industrial facilities worldwide for decades. The 1747-L543 benefits from a mature design and extensive field testing, ensuring long service life even in harsh environments.
Easy Troubleshooting and Maintenance: Diagnostic LEDs on the front panel provide immediate status of module health, communication activity, and fault conditions. The removable memory module allows quick program backup and replacement.
Global Support and Spare Parts Availability: As a Rockwell Automation legacy product, the 1747-L543 is supported by a vast network of distributors and repair centers. Rossonix ensures prompt delivery from our Shenzhen warehouse or European stock points.
Trust Rossonix Co., Limited as Your Reliable Supplier
Since 2011, Rossonix has focused on providing high-quality automation components to customers across North America, South America, Europe, Asia, Oceania, and the Middle East. With an annual export value of US$5–10 million and a dedicated team of 11–50 professionals, we guarantee authentic products, competitive pricing, and fast shipping from Shenzhen, Hong Kong, or Europe. Every 1747-L543 processor is inspected before shipment and comes with our standard warranty. Our ISO9001 certification (company-level) reflects our commitment to consistent quality and customer satisfaction.
Contact us today to inquire about pricing, stock availability, or custom firmware options. Our experienced sales engineers are ready to assist you in selecting the right SLC 500 components for your project. With Rossonix, you get more than just a part – you get a long-term partner for your automation success.
Frequently Asked Questions (FAQ)
Q: Is the Allen-Bradley 1747-L543 compatible with existing SLC 500 chassis?
A: Yes, it fits into any 1746-A chassis (4, 7, 10, 13, or 17-slot) and works with all 1746 series I/O modules. No additional adapter is required.Q: What programming software is needed for this processor?
A: You can use RSLogix 500 (version 7.0 or later) or CCW (Connected Components Workbench) for basic configuration. The processor supports standard SLC 500 instruction set.Q: Can the 1747-L543 be used as a replacement for SLC 5/03 (1747-L532)?
A: Generally yes, but check your application’s memory and execution speed requirements. The 5/04 offers more memory and faster scan times. Programming may need minor adjustments if using DH+ features.Q: Does this processor come with a memory module installed?
A: The unit includes a removable memory module (catalog 1747-M1 or similar) pre-installed with default firmware. Custom firmware can be loaded upon request before shipping.Q: What are the typical lead times for the 1747-L543?
A: We usually ship within 1–3 business days from stock in Shenzhen or Europe. For large quantities, please inquire about availability.Q: Is the processor brand new or refurbished?
A: We offer both new and factory-refurbished units. Please specify your preference when ordering. All units are tested and guaranteed functional.Q: Does the 1747-L543 support Ethernet/IP communication?
A: Not directly. For Ethernet connectivity, you need to add an Ethernet interface module (e.g., 1761-NET-ENI) or use a SLC 5/05 processor (1747-L551).Q: What warranty do you provide on this product?
A: We offer a standard 12-month warranty against defects in materials and workmanship. Extended warranty options are available upon request.
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