DKR02.1-W300B-BT67-01-FW Bosch Rexroth Indramat
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MPN: R911290965
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The Bosch Rexroth Indramat DKR02.1-W300B-BT67-01-FW is a digital intelligent AC drive controller from the DKR Drive Controllers series, weighing about 104 kg and utilizing air cooling with a built-in blower. It operates with a continuous current of 141 A at 4 kHz, supports peak drive current up to 212 A, and uses a SERCOS command interface with digital servo and resolver feedback. The drive is designed for a rated voltage of 3xAC 400 to 480 V and features an internal bleeder with a continuous brake resistor power of 1.5
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Product Description:
The DKR02.1-W300B-BT67-01-FW drive controller is manufactured by Bosch Rexroth Indramat and belongs to the DKR Drive Controllers series. Classified as a digital intelligent AC drive controller, this unit coordinates high-power servo axes in industrial automation cells. It regulates motor torque and speed while processing digital feedback signals, allowing precise positioning and rapid cycle execution on heavy machine tools and handling systems.
Its communication backbone is the SERCOS interface, which provides deterministic fiber-optic data exchange between the motion controller and the drive. During continuous operation, the inverter can supply up to 141 A of output current at a 4 kHz switching frequency, helping maintain stable torque on large synchronous or induction motors. To manage regenerative energy, the integrated brake resistor dissipates a steady thermal load of 1.5 kW. The power stage supports continuous mechanical power delivery of 55 kW to the motor shaft. Internal logic and blower circuits are supported by a control supply of AC 230 V with a ±10% tolerance. The unit also uses an internal bleeder, air cooling through a built-in blower, and dual-channel digital servo or resolver feedback.
Transient events are handled with a peak output capacity of 212 A, giving headroom for acceleration bursts without overcurrent trips. The power section accepts a mains supply of 3 x AC 400 to 480 V, so it can be installed on standard factory networks. Under rated load, the enclosure releases 1800 W of heat, which the integrated blower expels to help maintain semiconductor temperature within operating limits. The drive has a mass of 104 kg, so cabinet mounting must account for its weight as well as the 240 kWs of braking energy the resistor can absorb during rapid decelerations. It is design version 1 with function module version 01, and it is used for high-inertia axis control in gantries, presses, and extruders.
Frequently Asked Questions about DKR02.1-W300B-BT67-01-FW:
Q: What type of bleeder configuration does the DKR02.1-W300B-BT67-01-FW use?
A: This drive controller includes an internal bleeder configuration for handling excess braking energy.
Q: Which command interface is equipped on the DKR02.1-W300B-BT67-01-FW?
A: The DKR02.1-W300B-BT67-01-FW drive controller uses a SERCOS interface as its command interface.
Q: What is the continuous power of the DKR02.1-W300B-BT67-01-FW at 4 kHz?
A: The continuous power output of this drive at 4 kHz is approximately 55 kW.
Q: How is the DKR02.1-W300B-BT67-01-FW cooled during operation?
A: Cooling is achieved through air using a built-in blower for this drive controller.
Q: What types of motor feedback does the DKR02.1-W300B-BT67-01-FW support?
A: The DKR02.1-W300B-BT67-01-FW supports both digital servo and resolver feedback for motor control.
