This is a brand new, factory sealed Allen-Bradley 1747-L542 SER B SLC 500 5/04 CPU Processor Unit. It is a high-quality product that is perfect for those in need of PLC processors and HMIs for industrial automation and motion controls. With its powerful controller platform, this product is an excellent choice for businesses and industries that require reliable and efficient performance. The 1747-L542 model is highly sought after and is designed to meet the needs of even the most demanding applications. This product is ideal for those looking to upgrade their existing systems or for those who are just starting out. So why wait? Get your hands on this outstanding product today and take your industrial automation and motion control systems to the next level!