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Home > Industrial Equipment & Components > Other Equipment & Components > Allen-Bradley SLC 503 is a SLC 500 SLC 503 Processor

Allen-Bradley SLC 503 is a SLC 500 SLC 503 Processor

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Product Spotlights

The Allen-Bradley SLC 503 processor offers reliable, scalable control for medium to large automation systems. Key advantages include configurable 8K–16K memory, multiple communication protocols (DH+, RS-232, DH-485), and compatibility with RSLogix 500. It supports up to 4,096 I/O points, ensuring flexibility for diverse applications. Backed by Rossonix's ISO9001-certified quality and global shipping, it's a cost-effective solution for upgrading or maintaining Rockwell Automation systems.

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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brand:

Allen-Bradley

model:

SLC 503

series:

SLC 500

Contact Supplier Request Quote Chat Now

Rossonix Co.,limited

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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brand Allen-Bradley

model SLC 503

series SLC 500

type Processor Module

memory 8K to 16K user memory (configurable)

communication DH+, RS-232, DH-485

operating_voltage 24V DC

application Industrial automation and control systems

certification ISO9001, ISO9000 (company level)

condition New or refurbished (available upon request)

Rossonix Co., Limited, established in 2011 and headquartered in Shenzhen, China, is a trusted trading partner in the global industrial automation market. With an annual export value of US$5–10 million and a dedicated overseas office, we specialize in supplying high-quality automation components. Our Allen-Bradley SLC 503 processor, part of the renowned SLC 500 family, delivers reliable and scalable control for a wide range of manufacturing and process applications. This processor combines robust performance with flexible communication options, making it an ideal choice for upgrading or maintaining your control system.

The SLC 503 is a compact yet powerful CPU module designed for medium to large-scale automation tasks. It supports up to 16K user memory, multiple communication protocols, and seamless integration with Rockwell Automation software. Whether you are retrofitting an existing line or building a new system, this processor ensures high-speed logic execution and reliable operation in demanding industrial environments.

Key Features & Technical Specifications

Memory Capacity: 8K to 16K user memory (configurable), supporting complex control programs.
Communication Ports: Built-in DH+, RS-232, and DH-485 for flexible networking with HMI, SCADA, and other PLCs.
Processing Speed: Fast logic execution (0.44 ms per 1K of ladder logic) for real-time control.
I/O Capacity: Supports up to 4,096 discrete I/O points and 256 analog I/O points via expansion modules.
Programming Software: Compatible with RSLogix 500 and RSLinx for easy configuration and diagnostics.
Operating Voltage: 24V DC, with low power consumption and wide input range.
Environmental Rating: Designed for 0–60°C operating temperature and 5–95% non-condensing humidity.

Parameter	Specification
Processor Model	Allen-Bradley SLC 503 (1747-L503)
User Memory	8K / 16K (configurable)
Communication Protocols	DH+, RS-232, DH-485
I/O Points (max)	4,096 discrete / 256 analog
Power Supply	24V DC, 1.5A
Operating Temperature	0°C to 60°C
Dimensions (H x W x D)	4.5 x 3.5 x 5.0 inches (approx.)

Customer Benefits: The SLC 503 offers a cost-effective solution for upgrading legacy systems without replacing the entire infrastructure. Its modular design allows for easy expansion, and the wide communication support simplifies integration with existing networks. By choosing this processor, you reduce downtime during maintenance and gain access to a vast ecosystem of Rockwell Automation support tools.

Trust & Reliability

At Rossonix Co., Limited, we have been serving global clients since 2011, with an annual export value of US$5–10 million. Our products are shipped from major ports including Shenzhen, Hong Kong, and Europe, ensuring fast and reliable delivery to markets across North America, South America, Europe, Oceania, the Middle East, and Asia. We hold ISO9001 and ISO9000 certifications at the company level, reflecting our commitment to quality management. Our team of 11–50 experienced professionals ensures every product is tested and verified before shipment. With a strong track record and a global customer base, we are your reliable partner for industrial automation components.

Contact us today to inquire about the Allen-Bradley SLC 503 processor. We offer competitive pricing, flexible shipping options, and dedicated after-sales support. Let us help you optimize your control system with genuine, high-performance automation solutions.

Frequently Asked Questions (FAQ)

Q: Is the SLC 503 compatible with older SLC 500 modules?
A: Yes, the SLC 503 is designed to be backward compatible with most SLC 500 I/O modules and chassis, allowing for easy upgrades.
Q: What programming software is required?
A: The processor is programmed using RSLogix 500 (version 7.0 or higher) and communicates via RSLinx.
Q: Can the memory be expanded beyond 16K?
A: The standard configuration supports up to 16K user memory. For larger applications, consider the SLC 504 or SLC 505 models.
Q: Does the module come with a warranty?
A: Yes, all our products are covered by a standard warranty. Extended warranty options are available upon request.
Q: What is the typical lead time for shipping?
A: Lead time depends on stock availability and destination. Typically, orders are processed within 3–7 business days. Contact us for specific timelines.
Q: Can I use this processor in a hazardous environment?
A: The SLC 503 is designed for general industrial use. For hazardous locations, please consult the product manual or contact our support team for suitable enclosures.
Q: Are refurbished units available?
A: Yes, we offer both new and refurbished options. Refurbished units are tested and certified to meet original specifications.
Q: How do I verify the authenticity of the product?
A: Each unit comes with a serial number and can be verified through Rockwell Automation's official channels. We provide documentation upon request.