Allen-Bradley 1747-L552 SLC 500 L552 CPU Processor | 32K Memory | Series C

Description

【Product Overview】

The Allen-Bradley 1747-L552 (Series C) is a high-performance SLC 5/05 CPU Processor within the legendary SLC 500 automation platform.

As the most advanced processor in its class, the 1747-L552 features a massive 32K words of user memory and an integrated 10/100 Mbps Ethernet port, alongside a standard RS-232 channel. The Series C revision (often paired with OS501 firmware) offers enhanced communication throughput and modernized security features, making it the “Gold Standard” for upgrading or maintaining existing SLC networks. Whether you are managing complex PID loops in a manufacturing plant or coordinating high-speed data exchange across an Ethernet/IP backbone, the 1747-L552 provides the industrial-grade reliability that has made Allen-Bradley the world leader in programmable logic controllers.

Allen-Bradley 1747-L552 Series C SLC 5/05 CPU Front Panel label

【Technical Specifications】

【Key Features】

(1) Integrated Ethernet/IP: Built-in 10/100 Mbps Ethernet port allows for high-speed messaging, programming over the network, and seamless integration with modern HMI/SCADA systems.

(2) Large Memory Capacity: With 32K words of memory, this CPU can handle complex applications with extensive data logging and complex arithmetic.

(3) Series C Enhancements: The Series C hardware supports the latest firmware (OS501), providing improved networking stability and faster execution of floating-point math.

(4) Dual Communication Channels: Simultaneously run Ethernet/IP and RS-232 (DF1/Modbus/DH-485), providing ultimate flexibility for connecting to legacy and modern devices.

(5) Reliable Data Retention: Features a lithium battery-backed RAM and optional Flash EPROM support to ensure your logic and data are protected during power loss.

(6) Legacy Longevity: The SLC 5/05 is the most sustainable path for maintaining SLC 500 systems, as it bridges the gap between older serial networks and modern Ethernet architectures.

【Applications】

(1) Material Handling: Coordinating high-speed conveyor systems and palletizers in large distribution centers.

(2) Food & Beverage: Precise control of mixing, bottling, and packaging lines requiring fast I/O response.

(3) Water & Wastewater: Remote monitoring and control of pumping stations via Ethernet/IP networks.

(4) Automotive Assembly: Reliable PLC logic for body-shop welding and assembly cell synchronization.

(5) OEM Equipment: A popular choice for machine builders requiring a compact yet powerful control core for international export.

Allen-Bradley 1747-L552 Series C SLC 5/05 CPU Front Panel sideview

【Related Models / SLC 500 Family】

The 1747-L552 is the flagship of the SLC family, often used alongside:

• 1747-L551: 16K Memory version of the SLC 5/05.
• 1747-L553: 64K Memory version of the SLC 5/05.
• 1746-IB32 / OB32: High-density 32-point Digital I/O modules.
• 1746-NI8 / NO8I: High-resolution Analog I/O modules.
• 1747-BA: Replacement Lithium battery for CPU backup.

👉 We stock a complete range of SLC 500 CPUs, I/O, and Power Supplies.

【Supply Advantage】

(1) Direct Xiamen Stock: 1747-L552 units are currently in our inventory and ready for immediate global dispatch.

(2) 24-Hour B2B Quotations: Receive a formal Proforma Invoice (PI) with competitive pricing for your urgent maintenance or project.

(3) Global Logistics Specialist: Extensive experience shipping Allen-Bradley hardware to Russia, UAE, Kazakhstan, Saudi Arabia, and Brazil.

(4) 100% Quality Guaranteed: Every CPU undergoes a rigorous visual check and power-on test to verify Ethernet and RS-232 port functionality.

(5) Trader-Focused Support: We provide the documentation and neutral packing required by international trading companies and EPCs.

(6) Secure Export Packing: Dispatched in anti-static shielding and reinforced, shock-proof packaging for maximum safety.

Allen-Bradley 1747-L552 Series C SLC 5/05 CPU Front Panel backside

【Why Choose Us】

(1) Rockwell Automation Specialists: Expert knowledge of the Allen-Bradley lifecycle (Active, End-of-Life, and Discontinued).

(2) 12-Month Quality Warranty: We stand behind our original hardware with a full one-year replacement guarantee.

(3) Visual Verification: We provide high-resolution photos and video proof of the specific Series C unit and firmware version prior to payment.

(4) Reliable Export Partner: Meticulous preparation of all commercial invoices and origin documents for fast customs clearance.

【Procurement Process】

(1) Inquiry: Contact us via Email or WhatsApp with the part number 1747-L552.

(2) Quote: Receive detailed pricing, lead times, and shipping options within 24 hours.

(3) Confirm Order: Finalize the quantity and confirm your shipping method (DHL/FedEx/UPS).

(4) Secure Payment: Execute payment via standard Telegraphic Transfer (T/T).

(5) Final Inspection: Final QA check and photo documentation of your order.

(6) Fast Dispatch: Rapid shipping with real-time tracking provided.

【We Also Supply】

Consolidate your Allen-Bradley and Rockwell sourcing with our premium inventory:

• CONTROLLOGIX: 1756-L71, L72, L73, L81, L82, L83 processors and I/O.
• COMPACTLOGIX: 1769-L30ER, L33ER, L36ER and 5069 series.
• MICROLOGIX: 1762, 1764, and 1766 series controllers.
• PANELVIEW: 2711 and 2711P HMI Touchscreens.
• FLEX I/O: 1794 series adapters and modules.

【CTA】

Looking for the Allen-Bradley 1747-L552 /C CPU?

Keep your SLC 500 system running at peak performance with original Series C hardware. Contact us today for a fast quote and worldwide shipping!

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