The ABB DCS550‑S01‑0135‑05‑00‑00 is part of ABB’s DCS550 standard DC drive family, designed to precisely control DC motors by converting three‑phase AC input into a controlled DC output. This non‑reversing (2‑quadrant) drive supplies controlled DC armature current and enables controlled forward operation and braking of the motor. The DCS550 series is compact, features an integrated field exciter, and offers advanced features like built‑in PID control, adaptive programming, extensive fieldbus communication options, and easy commissioning tools — making it suitable for new machine designs or retrofit projects.