R911294375 (DKR05.2-W500N-BE23-01-NNNN-FW)
DKR Drive Controllers
Technical Specifications
Supplier
Bosch Rexroth
Application
Industrial Automation
Primary Use
Controlling & Monitoring Motors
Protection Rating
IP20
Control Voltage
AC 230 V ±10%
Operating Voltage
500 A
Maximum Power
125 kW
Interface for Motor Temperature Measurement & Brake Operation
X6
Additional Interface
Serial, for I/O modules, sensors & PC
Communication Interface
SERCOS for real time communication
Built-in Cooling
1800 W dissipated with built-in blower
Heat Generation during Continuous Current Operation
2500 W
Required Clearance during Installation
80mm (back, top & bottom)
Auxiliary Plug-In Slots available
U2 to U4 in basic unit
Firmware Module Slot
U5 in controller
Firmware
Ordered as separate sub-item
Frequently Asked Questions
How does the rigid DC bus design in the DKR05.2-W500N-BE23-01-NNNN-FW improve performance?
The rigid DC bus ensures consistent voltage levels under varying loads, enhancing drive stability. This design minimizes voltage fluctuations, improving response and torque precision during demanding operations.
Why is the SERCOS interface preferred in the DKR05.2-W500N-BE23-01-NNNN-FW controller?
The SERCOS interface provides deterministic real-time communication between control units and drives. It allows precise synchronization across multiple axes, essential for high-speed automation systems.
What benefit does the air-cooling blower provide in the DKR05.2-W500N-BE23-01-NNNN-FW?
The blower effectively dissipates up to 6.2 kW of heat to maintain safe operating temperatures. This active cooling method extends component lifespan and ensures consistent performance in continuous-duty environments.
How does digital servo and resolver feedback enhance accuracy?
Resolver feedback allows exact angular position detection, while the digital servo loop refines correction in real time. Together, they provide sub-micron precision critical for precision machining and automation.
Why does the DKR05.2-W500N-BE23-01-NNNN-FW not include a brake chopper?
The absence of a brake chopper simplifies the electrical design and reduces maintenance needs. This configuration suits applications where regenerative energy is handled externally or through system-level control.
Common Misspellings
DKR052W500NBE2301NNNNFW
DKR05 2 W500N BE23 01 NNNN FW
dkr05.2-w500n-be23-01-nnnn-fw
DKR5.2-W500N-BE23-01-NNNN-FW
Internal Product Review
The DKR05.2-W500N-BE23-01-NNNN-FW is a high-performance drive controller that provides 165 kW at 400 V for accurate motion control. Made by Bosch Rexroth Indramat, it features a SERCOS interface and a rigid DC bus construction. It's applied in automated press lines, multi-axis machining centers, and high-speed packaging machines.
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