Hope Industrial Systems Inc. KB-R2-EXT-BLK-4-USB PLC Module is an external extension unit for the KB-R2 programmable logic controller family. The model name indicates USB-equipped extension functionality within a KB-R2-based control system used in industrial automation. This KB-R2-EXT-BLK-4-USB variant is aligned with Hope’s KB-R2 line for scalable PLC configurations in industrial environments.
