Woodward 8444-1067 Digital Speed Controller / Synchronizer Module synchronizer designed for generator sets, steam turbines, gas turbines, and industrial engines. It provides precise speed regulation, load control, and automatic synchronization for three‑phase AC generators, supporting both analog and discrete output bias signals for frequency, phase, and voltage matching. With a rugged industrial design, 24 Vdc power input, and dual RS‑232/RS‑422 serial ports, it ensures reliable communication and control in harsh power‑generation environments.