DKR03.1-W200N-BE76-01-FW Bosch Rexroth Indramat
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MPN: R911305115
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The Bosch Rexroth Indramat DKR03.1-W200N-BE76-01-FW is a digital intelligent AC drive controller from the DKR Drive Controllers series. It features a continuous drive current of 92 Amps at 4 kHz and a peak current of 141 Amps, with a continuous power rating of approximately 35 kW. The drive operates with a control voltage of AC 230 V and a rated power voltage of 3-phase AC 400 to 480 V, and uses air cooling with a built-in blower.
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Product Description:
The DKR03.1-W200N-BE76-01-FW is a digital intelligent AC drive controller produced by Bosch Rexroth Indramat in the DKR Drive Controllers series. DKR03.1-W200N-BE76-01-FW regulates three-phase synchronous and induction motors in automated cells, delivering closed-loop velocity and position control to machine tools, presses, and handling systems. Motor feedback channels accept both digital servo and resolver signals, allowing the controller to support different encoder types across a wide range of axis applications. This allows the drive to maintain stable control during positioning, speed regulation, and changing load conditions in coordinated motion systems.
Communication with the supervisory PLC is handled through the SERCOS interface, which passes setpoints and feedback over a single fiber loop. At a modulation frequency of 4 kHz, the controller can supply 92 A of continuous motor current, translating to a continuous mechanical output of approximately 35 kW for connected axes. Logic and control circuits draw a separate supply of AC 230 V, ±10%, so the power stage can stay de-energized during maintenance. Thermal loading is mitigated by built-in air blower cooling. The DC bus design has no bleeder, so it omits an internal brake chopper and routes regenerated energy to an external resistor or upstream converter. A current rating of 200 A, design version 1, function module version 01, and line series 03 identify this controller within the DKR range.
The power section accepts 3x AC 400 to 480 V, ±10% and can supply a peak phase current of 141 A to overcome inertia or friction during rapid transients. Under these conditions, the electronics discharge roughly 1200 W of thermal energy that must be removed by the cabinet ventilation system. With a mass of approximately 49 kg, the unit adds significant weight to control panels, and slide rails can make removal easier. The peak-to-continuous current ratio helps the controller handle short acceleration bursts and changing process loads without remaining at peak current for extended periods.
Frequently Asked Questions about DKR03.1-W200N-BE76-01-FW:
Q: What is the continuous current rating for the DKR03.1-W200N-BE76-01-FW at 4 kHz?
A: The DKR03.1-W200N-BE76-01-FW features a continuous drive current of 92 A at 4 kHz.
Q: Which interface is used for command communication in the DKR03.1-W200N-BE76-01-FW drive controller?
A: The DKR03.1-W200N-BE76-01-FW supports the SERCOS interface for command input.
Q: What cooling method is implemented in the DKR03.1-W200N-BE76-01-FW drive controller?
A: The cooling system of this drive controller uses air with a built-in blower for thermal management.
Q: Does the DKR03.1-W200N-BE76-01-FW include a bleeder or brake chopper?
A: This model is designed without a bleeder or brake chopper and uses a rigid DC bus.
Q: What types of motor feedback are compatible with the DKR03.1-W200N-BE76-01-FW?
A: Digital servo and resolver feedback are supported for motor feedback with this model.
