DKC11.1-040-7-FW

DKC11.1-040-7-FW is a Bosch Rexroth Indramat EcoDrive unit in the DKC Drive Controllers series. It uses design version 1 and interface option 11 for its control interface configuration. The controller operates from three-phase mains power and has a nominal DC-bus voltage of 700 V. Its DC-bus capacitance is 0.15 mF for stabilizing bus voltage, while 15 Ws of stored energy supports the DC bus during operation.

The rated and peak current are both 40 A, providing the controller’s stated maximum current capacity. At a 4 kHz switching frequency, it supplies 16 A continuously. The control supply draws 0.7 A to power the controller’s internal electronics. Power dissipation without bleeder operation is 180 W. The continuous bleeder output is 0.15 kW for ongoing regenerative-energy dissipation, and the peak bleeder output is 10 kW for 0.5 seconds. Maximum feedback energy is 5.0 kWs, indicating the regenerative energy that the unit can process.

An internal blower provides cooling, and the IP20 protection category guards against contact with hazardous internal parts and solid objects larger than 12.5 mm. The maximum installation elevation is 1,000 m. Under reduced-data operation, the maximum ambient temperature is 55ºC. Maximum relative humidity is 95%, and maximum absolute humidity is 25 g/m³. The unit weighs 4.4 kg.