Configured for high-speed logic execution and industrial processor coordination across SLC 500 automation networks, the Allen-Bradley 1747-L531 (1747-L531 SLC 5/03 8K Controller) provides direct physical electrical execution.

Nomenclature Breakdown & Model Matrix

• 1747: Base product family identifier designating Allen-Bradley SLC 500 modular processor platforms.
• L531: Processor configuration designator indicating an SLC 5/03 model equipped with 8K words of user memory capacity.

Hardware Specifications

Industrial Control & Drive Interface Integration

Engineered for deterministic execution, the controller manages backplane bus communication velocities and supports EtherNet/IP deterministic network links. It ensures precise I/O density scaling and firmware flash compatibility across integrated automation architectures.

Package Ordering Information

• 1 x 1747-L531 SLC 5/03 8K Controller unit
• 1 x Battery backup housing compartment cover

Physical Installation & Grounding Guidelines

• Chassis Slot Insertion: Insert the processor module securely into the primary left-hand slot of the local SLC 500 chassis to guarantee proper backplane pin engagement.
• Communication Port Shielding: Terminate all external programming and network communication cable shields properly to prevent ambient electrical noise interference.
• Grounding Compliance: Secure the local chassis mounting plate directly to the enclosure ground bus using a low-impedance copper earthing strap.

Frequently Asked Questions

• Q: What is the total user memory capacity available on the 1747-L531 controller?

  A: The processor provides a total user memory capacity of 8 KB words for application logic storage.

• Q: What is the maximum analog I/O point capacity supported by this CPU?

  A: The unit supports up to 180 analog I/O points across connected system configurations.

• Q: How much backplane current does the controller draw from the 5 VDC power supply?

  A: The processor consumes approximately 500 mA of current from the 5 VDC backplane rail.

• Q: What is the designated I/O scan time performance parameter?

  A: The standard execution scan time is rated at 0.225 milliseconds.

• Q: What are the physical weight and estimated shipping dimensions of the module?

  A: The unboxed unit weighs 0.25 kg with shipping dimensions measuring 3.6 x 13.1 x 14.6 cm.

• Q: Which country is listed as the place of manufacture?

  A: The hardware controller is manufactured in the USA.

• Q: Is this specific SLC 5/03 processor model currently active or discontinued?

  A: This hardware item is officially discontinued by the manufacturer and is maintained via legacy spare parts inventory.

• Q: Can processor modules be inserted or removed while backplane power is active?

  A: Live hot-swapping is not supported on SLC 500 backplanes; power must be isolated prior to hardware handling.