R911262657 (DKR 3.1-W200Z-BE28-00)

DKR Drive Controllers

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The R911262657 (DKR 3.1-W200Z-BE28-00) is a Rexroth Indramat drive controller engineered for precise control of LSF/LAF, 1MB, and 2AD/2AF motors. This controller incorporates a built-in blower and heatsink for thermal management and allows module insertion for tailored application configurations. The device weighs approximately 49 kg, with an additional 1.7 kg for the M1-RAC 3 accessory. It supports operation between 5°C and 45°C, with allowable operation up to 55°C at reduced capacity, and is rated for use up to 1000 meters above sea level without derating. Storage and transport temperatures range from -30°C to 80°C. The unit features IP20 protection, a 230 VAC control voltage (±10%), peak current capacity of 141 A, and a power voltage range of 0–380 V. Thermal dissipation includes 800 W via the air channel and a total of 1.2 kW. Additional specifications include a SERCOS command interface, air cooling, design version 1, digital servo and resolver motor feedback, product series DKR, and function numeric version 00.