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 FEN-31 3AUA0000031044 Encoder interface Introduction — Precision Encoder Signal Integration for ABB Drive Systems The ABB FEN‑31 Encoder Interface Module (3AUA0000031044) is a high‑performance interface designed to bridge rotary encoder feedback signals with ABB variable fr *Your Name: *Your Email: *Your Name: *Vdcode: Submit