DKC02.3-040-7-FW

DKC02.3-040-7-FW is a Bosch Rexroth Indramat EcoDrive in the DKC Drive Controllers series. It uses design version 3 and interface option 02, which provides a SERCOS communication interface for integration with compatible control systems. The controller has a rated current of 40 A. Peak current 1 is 40 A, and the type-current rating for peak current 1 is also 40 A. Peak current 2 is 16 A at a 4 kHz switching frequency; the separate peak-current specification at fs = 4 kHz also confirms 16 A. At fs = 8 kHz, peak current 2 is 12.5 A, and the continuous-current rating at 8 kHz is 12.5 A. The maximum input current is 16 A, while the maximum output frequency at 8 kHz is 800 Hz.

The nominal DC-bus voltage is 700 V, supplying the controller’s internal power stage. Nominal DC-bus capacitance is 0.27 mF for storing and stabilizing bus energy. The soft-start resistor has a resistance of 60 Ω, limiting inrush current during startup. Maximum energy dissipation is 5.0 kWs, and peak bleeder power is 10 kW at a DC-bus voltage of 850 V, allowing excess bus energy to be dissipated during braking. Device power dissipation is 180 W, and power dissipation at continuous current is also 180 W. The control supply consumes 19 W and has a maximum charging current of 4.0 A. The maximum ambient temperature is 45ºC. Its mass is 5.7 kg, and the separate weight value is also 5.7 kg.