DM 8K 9301-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 8K 9301-D is a servo drive from the DM Servo Drives series, with a mass of 6.0 kg and a module width of 50 mm. It features a 24 V supply demand of 0.89 A and supports CANopen and CANrho protocols. The drive has a resolver encoder interface with 12-bit resolution and operates with a DC link voltage of 670 VDC.
Internal Product Review
The DM 8K 9301-D is a Bosch Rexroth Indramat servo drive with a CAN Bus setpoint interface and CANopen/CANrho protocol support. Rated performance is well suited for demanding motion applications, with 5.7 A rms at 4 kHz and a regulated DC link voltage of 670 VDC. Resolver feedback with 12-bit resolution adds dependable signal quality, making the drive a strong choice for networked servo systems.
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Product Description:
The DM 8K 9301-D is a servo drive module manufactured by Bosch Rexroth Indramat and allocated to the DM Servo Drives series. Designed to govern synchronous and induction motors in automated machinery, the unit conditions DC-link energy and modulates output current according to bus commands. It fits into narrow cabinet slots and exchanges motion commands on a CANopen fieldbus, allowing centralized PLCs to handle start, stop, and speed control without integrated positioning functions. Because positioning tasks remain at the controller level, the drive is used primarily for regulated motor operation within distributed automation systems.
During operation, the drive draws 0.89 A from the 24 V control supply to energize logic, relays, and resolver excitation. Its regulated DC link sits at 670 VDC, from which the inverter section delivers a rated phase current of 5.7 A rms at a 4 kHz pulse-width modulation carrier and 3.6 A rms at an 8 kHz carrier. Thermal limits are linear, and each additional kelvin above the reference requires derating of 0.15 A/K at 4 kHz or 0.10 A/K at 8 kHz. Short load peaks are covered by maximum currents of 9.6 A rms and 7.1 A rms for the respective switching frequencies. Power lost as heat inside the housing reaches 96.5 W under worst-case conduction and switching conditions.
A resolver interface with 12-bit resolution supplies rotor position feedback, while the higher-level motion controller issues velocity or torque setpoints through the CAN bus. Compatibility with CANopen and CANrho supports communication with other Rexroth nodes on the same network structure. The aluminum housing occupies 50 mm of panel width and weighs 6.0 kg, allowing several axes to be mounted side by side without excessive cabinet loading. Rack cooling typically uses forced air when carrier frequency and ambient temperature are selected in line with the derating curves.
