DM 4K 9101-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 4K 9101-D is a compact servo drive from the DM Servo Drives series, weighing 6.0 kg and featuring a module height of 430 mm with a width of 50 mm. It supports CANopen and CANrho bus protocols, provides a DC link voltage of 670 VDC regulated or 715 VDC non-regulated, and delivers a maximum overload current of 6.6 Arms. The drive offers STG or MTG encoder interfaces with up to 32-bit multi-turn resolution and 20-bit single-turn resolution.
Internal Product Review
The DM 4K 9101-D is a compact servo drive with CANopen and CANrho bus protocols, making integration into networked motion systems especially appealing. A 32-bit multi-turn resolution combined with 20-bit single-turn resolution delivers excellent feedback fidelity, a standout strength for precise axis control.
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Product Description:
The DM 4K 9101-D is a servo drive module manufactured by Bosch Rexroth Indramat and supplied in the DM Servo Drives series. The module forms the power and control interface between the plant-level motion controller and individual servo motors. By converting CAN bus setpoints into phase-synchronized motor currents while monitoring feedback from attached encoders, it maintains velocity, position, and torque loops in packaging lines, assembly cells, and material-handling axes. Its compact mechanics allow dense cabinet layouts where multiple axes share a common DC link.
At the power stage the drive works from a regulated DC link of 670 VDC, and it can tolerate momentary load peaks by delivering up to 6.6 Arms of overload current. Motion commands reach the unit through CANopen or CANrho, and the same network serves as the setpoint interface, so wiring remains minimal. For high-speed feedback the incremental encoder input accepts edges up to 1 MHz, while absolute multi-turn data are captured at 32 Bits of resolution, giving ample positional granularity throughout extended travels. Cabinet space is conserved because the electronics span only 50 mm in width, enabling adjacent modules to share cooling airflow without obstruction.
Control electronics are supplied from a 24 V rail that draws only 0.89 A, and internal losses are limited to 96.5 W, simplifying thermal design of the enclosure. The housing rises to 430 mm and weighs 6.0 kg, so a single technician can mount the drive on standard DIN rails or backplates. Encoder compatibility extends to STG or MTG sine/cosine formats, with analog inputs accepted up to 50 kHz and digital counts to 800 kHz, enabling accurate interpolation of the single-turn angle that is resolved at 20 Bits. Together these characteristics align the drive with applications that demand dense packaging, moderate axis power, and deterministic fieldbus coordination.
