Siemens 6SN1118-0DG22-0AA0 is a SIMODRIVE 611‑D closed‑loop plug‑in control unit for a single axis, designed to regulate the feed and main spindle of a digital drive system with a direct measuring system and current-signal feedback. The unit occupies a compact plug‑in form factor for backplane mounting and measures about 140 mm high, 320 mm long, and 50 mm wide, with a weight of roughly 0.66 kg. Key specs include 1 axis, closed‑loop control, a direct measuring system, and current signals, enabling precise servo regulation in single‑axis applications such as machine tooling and automation equipment.
