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Help Center1747-L511 Allen Bradley SLC500 System CPU MODULE 1747L511
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Rossonix Co., Limited proudly presents the Allen-Bradley 1747-L511 SLC500 System CPU Module (also referenced as 1747L511). As a trusted supplier in the industrial automation market since 2011, we understand the critical need for reliable, high-performance PLC components. This CPU module is the heart of the SLC500 control system, engineered for demanding applications in manufacturing, process control, and infrastructure. With over US$5 million annual export value and a global customer base across North America, Europe, and Asia, we ensure that every unit is sourced from reputable channels and thoroughly tested before shipment. Choose the 1747-L511 for seamless integration, long-lasting durability, and the performance your operations require.
Key Features & Technical Specifications
Proven SLC500 Architecture – The 1747-L511 is a full-featured CPU module designed for the Allen-Bradley SLC500 platform, compatible with a wide range of I/O modules, special function modules, and communication interfaces.
Built-in DH-485 Communication – Equipped with a native DH-485 port for peer-to-peer networking and programming via RSLogix 500 or equivalent software, enabling easy integration into existing systems.
Efficient Memory Management – Standard memory configuration of 8K words (user program and data) with support for additional memory modules if required. The processor handles both discrete and analog control tasks with fast scan times.
Robust Power Supply Compatibility – Operates on the SLC500 backplane power (typically 24V DC or 120/240V AC depending on chassis model). Designed for industrial environments with wide operating temperature range (0°C to 60°C).
Compact Form Factor – The module fits into any SLC500 chassis slot (except dedicated power supply slot). Its small footprint saves panel space while delivering powerful control capabilities.
High Reliability & Longevity – Built with industrial-grade components, the 1747-L511 is known for its robust construction and extended mean time between failures (MTBF). Suitable for continuous 24/7 operation.
Technical Parameters (Typical)
| Parameter | Value |
|---|---|
| Processor Type | SLC 5/01 (equivalent) |
| User Memory | 8K words (program + data) |
| I/O Capacity | Up to 30 I/O modules (local or remote) |
| Scan Time | Typically 10 ms per 1K of logic |
| Communication Ports | 1 x DH-485 (RS-485) |
| Programming Software | RSLogix 500 (compatible) |
| Power Consumption | 5V DC @ 0.8A (from backplane) |
| Dimensions (L x W x H) | 4.33 x 1.77 x 4.33 inches (110 x 45 x 110 mm) |
Benefits for Your Application
Easy Integration – Drop-in replacement for existing SLC500 CPU modules. No major rewiring or software changes required. The 1747-L511 is fully backward-compatible with legacy SLC500 racks and I/O.
Reliable Control for Critical Processes – Whether you are managing a bottling line, a conveyor system, or a water treatment plant, this CPU delivers deterministic scan cycles and robust error handling.
Cost-Effective Upgrade – If your current SLC500 processor is outdated or damaged, the 1747-L511 offers a budget-friendly option without sacrificing performance. It supports all standard instruction sets including math, timing, counting, and data manipulation.
Global Support & Documentation – The SLC500 platform is widely documented, with abundant technical manuals, sample programs, and community support available. Our team at Rossonix also provides pre-sales and after-sales technical assistance to ensure a smooth startup.
Fast Worldwide Shipping – With warehouses in Shenzhen, Hong Kong, and Europe, we can dispatch the module promptly to most regions. Stock is regularly replenished to meet urgent demands.
Why Choose Rossonix for Your Allen-Bradley Needs?
Since 2011, Rossonix has been a dedicated provider of industrial automation components. Our annual export value of US$5 million to US$10 million reflects the trust placed in us by clients across North America, South America, Europe, Oceania, the Middle East, and Asia. We maintain an overseas office to serve international customers effectively. While we are a trading company, we enforce strict quality control procedures: each 1747-L511 module is visually inspected, functionally tested, and packaged securely. We carry ISO9001 and ISO9000 certifications, demonstrating our commitment to quality management. Our team of 11–50 experienced professionals is ready to answer your technical questions, provide competitive quotes, and ensure your order arrives on time.
Contact us today to inquire about pricing, availability, or bulk discounts. Whether you need one unit for a spare parts inventory or a quantity for a large-scale retrofit, Rossonix is your reliable partner in industrial automation.
Frequently Asked Questions (FAQ)
Q: Is the 1747-L511 compatible with all SLC500 chassis?
A: Yes, the 1747-L511 fits into any SLC500 chassis slot (except the dedicated power supply slot). It is compatible with 1746-A series racks (4-slot, 7-slot, 10-slot, 13-slot).Q: What programming software do I need for this CPU?
A: The 1747-L511 is programmed using Rockwell Automation's RSLogix 500 software (version 8.10 or later recommended). It can also be configured with older DOS-based software like 6200 series.Q: Does the module come with a battery for memory backup?
A: Yes, the CPU module includes a lithium battery (1747-BA) to retain user program and data in the event of power loss. The battery is typically included with the module; please verify when ordering.Q: What is the typical lifespan of the 1747-L511?
A: The module is designed for industrial use with an expected lifespan of over 10 years under normal operating conditions. Environmental factors such as temperature, humidity, and vibration can affect longevity.Q: Can I use this CPU with remote I/O via DH-485?
A: Yes, the built-in DH-485 port supports multiple nodes, allowing connection to remote I/O racks, operator interfaces (PanelView), and other DH-485 devices. For larger networks, consider using a DH-485 to Ethernet bridge.Q: Is the 1747-L511 a new or refurbished unit?
A: We offer both new and surplus/refurbished units depending on stock and customer preference. Please specify your requirement when placing an order. Each unit is tested to ensure full functionality.Q: What is the warranty period?
A: Rossonix provides a standard 12-month warranty against manufacturing defects. Extended warranty options are available upon request. We also offer technical support during the warranty period.Q: Do you provide technical documentation (manual, wiring diagrams)?
A: Yes, we can provide digital copies of the installation manual, user manual, and other relevant documentation. Please contact our sales team to request specific documents.
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