
Allen-Bradley 1747-L533 SLC 5/03 Processor 32K Memory
The 1747-L533 SLC 5/03 Processor delivers a powerful automation solution for small to mid-sized control systems. This processor integrates advanced instruction sets within a compact and cost-effective design. It supports up to 4096 inputs and 4096 outputs for flexible system configuration. Engineers can deploy this unit for material handling, HVAC, or SCADA applications. The 1747-L533 offers a program scan time of just 1 millisecond per keyword. This speed ensures reliable and deterministic control for your critical processes.
Theme A: Product Procurement & Buyer Guide
Procurement managers must verify the 1747-L533 processor fits their specific chassis and I/O requirements. This unit requires a backplane current of 500 milliamps at 5 Volts DC. It also needs 175 milliamps at 24 Volts DC for proper operation. The processor supports a maximum of two local I/O chassis with up to thirty module slots. This architecture allows for significant system expansion without requiring a separate network. The 1747-L533 uses both DH-485 and RS-232 communication ports for flexible connectivity. You can configure the RS-232 port for connection to a 1761-NET-AIC converter. This feature enables integration into existing legacy or modern control networks.

Application engineers will appreciate the 32,000 words of total user memory. This memory splits into 28K words for program and data storage with 4K words dedicated to data. The processor also includes a built-in real-time clock and a key-switch for mode selection. These features simplify programming and enhance operational security on the factory floor. The 1747-L533 provides 0.44 millisecond bit-instruction execution time for fast logic processing. This speed delivers up to ten times the system throughput compared to older competitors. You can install a remote I/O scanner or DeviceNet scanner module for distributed control. This capability allows the processor to manage I/O over a universal remote link or DeviceNet network.
The 1747-L533 operates reliably in a clean and dry industrial environment. Its operating temperature range spans from 0 to 60 degrees Celsius. The unit can withstand a 30g operating shock for robust physical durability. It uses standard battery-backed RAM for program retention during power loss. The processor also features Flash backup memory for secure firmware storage. This dual-memory design protects your control logic and system configuration data. The processor supports online programming and flash memory upgrades without downtime. Floating-point math capabilities allow for precise calculations in complex control algorithms.

Logistics & Standard Packaging Details
- One Allen-Bradley 1747-L533 SLC 5/03 Processor Unit
- One battery for the battery-backed RAM memory module
- One product documentation sheet with basic specifications
- One anti-static packaging bag for safe transit protection

We ship all orders using express delivery services for rapid deployment. Our logistics partners include FedEx, UPS, and DHL for global shipping. This ensures your 1747-L533 processor arrives quickly and securely at your facility.