DM 30K 4101-D Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Bosch Rexroth Indramat DM 30K 4101-D is a servo drive from the DM Servo Drives series, featuring compact mechanics and a mass of 6.0 kg. It supports a maximum current of 22 Amps at 8 kHz and provides a 16-bit analog resolution with encoder interface options of STG or MTG. The unit uses air cooling, has a rated current of 9.7 Amps at 8 kHz, and allows busbar DC link connection.
Internal Product Review
The DM 30K 4101-D is a Bosch Rexroth Indramat servo drive built with compact mechanics and air-cooling. Analog setpoint control with 16-bit analog resolution supports precise command handling and stable drive response. A 22 A(rms) maximum current gives the unit strong appeal for demanding servo applications.
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Product Description:
The DM 30K 4101-D is a servo drive module manufactured by Bosch Rexroth Indramat and positioned within the DM Servo Drives series. In an automation system, it delivers closed-loop current control for synchronous or induction motors. It converts analog velocity or torque commands into precise phase currents that propel machine axes.
During operation, the module draws 1.03 A from the 24 V control supply, so auxiliary power wiring can be sized accordingly. The intermediate circuit is tied to the common DC bus through busbars, and the inverter can supply up to 22 A rms of open-loop peak current at an 8 kHz switching frequency, while closed-loop continuous output is limited to 9.7 A rms. Thermal loading of the heat sink is capped at 156 W, and forced air cooling keeps semiconductor junctions below their limits. Command data enter through an analog setpoint interface that is digitized with 16-bit resolution, giving fine granularity to speed or torque demand values. The module has no additional function, which simplifies cabinet integration.
The encoder socket accepts STG or MTG feedback devices; single-turn positions are resolved to 20 bits, while multi-turn counts reach 32 bits, letting the drive maintain absolute position through power cycles. The enclosure follows a compact mechanical format, measuring 430 mm in height and only 50 mm in width, so multiple axes can be lined up with minimal panel space. Total mass is 6.0 kg, which keeps handling manageable during mounting. All IGBT losses are expelled by an axial airflow path, and busbar orientation keeps the DC-link inductance low for fast current transients. Because the setpoint interface is purely analog, no digital communication setup is needed once the drive is wired and the feedback direction is verified.
