Allen-Bradley 1747-L552 SER.A SLC 500 Processor Unit 1

The Allen‑Bradley 1747‑L552 Series A is a powerful SLC 5/05 programmable logic controller processor designed for industrial automation and machine control applications. It supports large I/O counts, Ethernet and RS‑232 communications, and non‑volatile flash memory, making it suitable for networked control systems requiring reliable performance and flexible expansion. **Technical Specifications** Manufacturer: Allen‑Bradley (Rockwell Automation) Manufacturer part number: 1747‑L552 Series: Series A Product family: SLC 500 Processor type: SLC 5/05 Controller Country of manufacture: Made in USA Input supply voltage: 5–24 VDC Backplane current (5 VDC): 1000 mA Backplane current (24 VDC): 200 mA User memory: 32K words Memory type: Flash EEPROM Maximum digital I/O capacity: 8192 digital I/O Instruction execution speed: 0.9 ms per 1K instructions Communication ports: Ethernet, RS‑232 Programming software: RSLogix 500 Local chassis capacity: 3 local chassis Maximum slots: 30 slots total Application: Industrial automation and process control systems Please review pictures carefully and let us know if you have any questions!