Allen-Bradley 1747-L531 SLC 500 Processor Unit
The Allen-Bradley 1747-L531 is a highly reliable SLC 5/03 processor unit belonging to the industry-proven SLC 500 series of programmable logic controllers (PLCs). Designed for robust industrial automation and control applications, this Series E processor operates efficiently on a 230V AC power supply with a low 0.8A current draw. It is equipped with both RS-232 and DH-485 communication interfaces, providing versatile networking and programming connectivity for factory floors. To ensure critical data and memory retention during power cycles or outages, the unit features a dedicated battery backup compartment. Running on Operating System Version 1747-OS302 (Firmware Revision 2.02), the 1747-L531 delivers dependable, high-speed performance for complex control systems.
Technical Specifications:
- Brand: Allen-Bradley
- Model Number: 1747-L531
- Product Series: SLC 500 (SLC 5/03 CPU)
- Hardware Series: E
- Firmware Revision (FRN): 2.02
- Operating System Version: 1747-OS302 C 10
- Power Input: 230V AC, 0.8 A
- Communication Interfaces: RS-232 and DH-485
- Memory Protection: Battery Backup Compartment (Requires battery placement before applying power)
- Country of Origin: Made in USA

| Brand | Allen-Bradley |
|---|---|
| Model | 1747-L531 |
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
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- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
Allen-Bradley 1747-L531 SLC 500 Processor Unit
Upgrade your industrial automation system with the Allen-Bradley 1747-L531 SLC 5/03 Processor Unit. This robust SLC 500 series PLC CPU (Series E, FRN 2.02) features 230V AC power, versatile RS-232 and DH-485 communication ports, and secure battery-backed memory for reliable, uninterrupted factory control performance.

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