X7.S4.D2C-5101 KEB
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The KEB X7.S4.D2C-5101 is a servo controller from the S4 Combivert Servo Controllers series with an IP20 protection rating. It has a rated output current and stall current of 2.7 Amps, a peak current of 8.5 Amps, and supports a maximum motor line length of 50 meters. The device measures 240 mm in height, 90 mm in width, 160 mm in depth, and weighs 2 kilograms.
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Product Description:
The X7.S4.D2C-5101 is a servo drive module from KEB, offered within the S4 Combivert Servo Controllers series. Acting as the power stage for synchronous or induction servomotors, it receives motion setpoints from higher-level controls and shapes the output waveform accordingly. The device combines current regulation, status diagnostics, and fieldbus connectivity in one enclosure, providing the closed-loop performance required for conveyors, pick-and-place axes, and positioning tables in automated machinery. It is suited to applications where accurate speed response and repeatable positioning must be maintained during frequent starts, stops, and load changes.
Electrically, the controller draws 3 A from a three-phase supply protected by a 10 A mains fuse and feeds the motor through conductors of 1.5 mm² up to 50 m long. It delivers a rated output of 2.7 A, which equals its stall current, while momentary peaks reach 8.5 A. An overload capability of 3.1 x Ido provides short bursts of additional torque before the current limiter intervenes. Thermal modeling indicates internal losses of 95 W, so forced cabinet airflow is recommended to move heat away from neighboring components. The electronics reside in a housing rated at IP20, and installation is simplified by 5 mm mounting holes recessed in the heat sink. At only 160 mm of depth, the drive fits shallow enclosures while still leaving room for bend radii on incoming power and feedback cables.
The module stands 240 mm tall, spans just 90 mm across the panel, and weighs 2 kg, so it remains easy to handle during panel installation. Its slim width permits tight side-by-side assembly of multiple axes, while the moderate height keeps terminal strips accessible above DIN-rail breakers and contactors. The low mass reduces vibration transfer to the mounting plate, and the compact front profile leaves room for cable strain-relief bars, filters, and wiring ducts in multi-axis cabinets. This layout can help keep power and feedback routing orderly where several drives share the same enclosure.
