If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. ABB LT8978BV1 HIEE320639R0001 Circuit Board Product Overview amp; Automation Equipment Board Functionality Control logic processing and power stage interface Processor / DSP Embedded industrial microcontroller / DSP Memory / Logic Support On‑board ROM / SRAM (system dependent) Comm *Your Name: *Your Email: *Your Name: *Vdcode: Submit