DKCXX.3-100-7-FW
DKC Drive Controllers
The DKCXX.3-100-7-FW is a DKC Drive Controller from Bosch Rexroth Indramat in the DKC Drive Controllers series. It delivers a DC-bus nominal voltage of 700 V and a rated current of 100 A, operating on 380 to 480 V. Designed for 0 to +45 °C, it dissipates up to 31 kWs and withstands 45 V for 1 ms overvoltage. With IP20 protection, selectable rotary field direction, and a 24 Ω soft-start resistor, it provides robust industrial control.
Technical Specifications
Brake Output Max Switching Current
DC 2 A
Brake Output Max Switching Voltage
DC 40 V
Control Voltage Input Power
26 W
DC-bus nominal voltage
700 V
Design
3
Design Version
3
Device Depth
261 mm
Device Height
360 mm
Device Width
105 mm
Max Ambient Temp (nominal Data)
45 °C
Max Ambient Temp (reduced Data)
55 °C
Maximum Input Current
40 A
Maximum Output Frequency
1000 Hz
Maximum Output Voltage
800 V
Power Dissipation (continuous)
420 W
Product Type
EcoDrive
Rated Control Voltage Input
24 V
Rated Current
100 A
Short Circuit Current Rating
42000 A rms
Weight
9.7 kg
Frequently Asked Questions
How does the DKCXX.3-100-7-FW handle thermal management during extended operation?
It dissipates up to 31 kWs of heat, ensuring stable thermal performance in high-demand applications. This helps maintain optimal controller function during long, continuous operations in industrial environments.
How does the DC-bus voltage of the DKCXX.3-100-7-FW improve performance in high-torque systems?
The 700 V nominal DC-bus ensures stable power delivery, allowing the controller to support high-response motors. This improves acceleration and braking times in servo-driven motion systems.
What impact does the selectable rotary field direction have on system setup and motion control?
The ability to select the rotary field direction allows for flexible motor rotation in both directions. This is particularly useful in applications like conveyors or machines requiring bi-directional movement.
How does the 24 Ω soft-start resistor in the DKCXX.3-100-7-FW protect the system during startup?
The 24 Ω soft-start resistor reduces inrush current during system power-up. This prevents damage to internal components and improves the system's longevity by limiting electrical stress.
What are the implications of the IP20 protection rating in the DKCXX.3-100-7-FW for industrial installations?
With an IP20 rating, the controller is protected against dust and foreign objects larger than 12 mm. It’s ideal for installation in clean, ventilated control cabinets but requires additional protection in harsher environments.
Internal Product Review
The Bosch Rexroth Indramat DKCXX.3-100-7-FW is a drive controller offering a nominal DC-bus voltage of 700 V. It handles 380–480 V input, supports up to 31 kWs dissipation, and operates efficiently within 0 to +45 °C. The integrated 24 Ω soft-start resistor ensures smooth motor acceleration.
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