R911283444 (DKR04.1-W300N-BA01-01-FW)
DKR Drive Controllers
Technical Specifications
Line Code
4
Version Code
1
Additional Purchase
Firmware Bought Separately
Control Voltage Rating
230VAC +/-10%
Installation Requirement
EMC Requirements
Ground Wire Connection
Required Before Startup
Built-in Monitor
Yes
Product Weight
150kg
Interface Type
Analog
Continuous Power Range
10 - 93kW
Compatibility
Selected Frameless and AC Main Spindle Motors
Controller Insertion Slots
Yes
Firmware Installation
Plug-in Module, DSM Software Module or EPROMs
Load Capacity Requirement
Sufficient
Shock Resistance
8.4g for 5ms
Maximum Ambient Temperature
55°C
Nominal Data Derated to
80%
Frequently Asked Questions
What are the practical effects of the "no bleeder" configuration in the DKR04.1-W300N-BA01-01-FW?
Without a bleeder, excess regenerative energy cannot be dissipated internally, so external handling or energy recovery must be considered. This is critical when frequent deceleration cycles are expected.
How does an analog command interface affect integration with automation systems?
Analog inputs allow compatibility with legacy controllers but require careful noise shielding and calibration. They also limit some precision compared to fully digital control buses.
Why is air cooling with a built-in blower advantageous in factory environments?
It simplifies installation by avoiding external cooling infrastructure but demands good airflow management. Dust filtration or enclosure pressurization may be necessary in harsh environments.
What maintenance implications arise from using air cooling instead of liquid cooling?
Air-cooled systems generally require periodic cleaning of filters and fans rather than coolant circulation checks. This reduces fluid maintenance but increases sensitivity to ambient air quality.
How does digital servo and resolver feedback improve motion accuracy?
Resolvers provide robust position sensing in noisy environments, while digital servo feedback enables fine velocity control. Combined, they ensure stable, precise motor performance under variable loads.
Common Misspellings
DKR 04.1-W300N-BA01-01-FW
DKR04.1-W300N-BA-01-01-FW
DKR04.1-W300N-BAO1-O1-FW
DKR04.1.W300N.BA01.01.FW
DKR041W300NBA0101FW
DKRO4.1-W3OON-BAO1-O1-FW
DKR04 1 W300N BA01 01 FW
dkr04.1-w300n-ba01-01-fw
DKR041W300NBA0101FW
DKR04 1 W300N BA01 01 FW
DKR4.1-W300N-BA01-01-FW
Internal Product Review
The DKR04.1-W300N-BA01-01-FW drive controller by Bosch Rexroth offers a nominal current of approximately 300A and uses air cooling with a built-in blower. It supports analog command interface and digital servo or resolver feedback. This unit is widely used in CNC machining, robotics, and automated manufacturing systems.
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