R911293872 (DKR03.1-W200N-BT29-01-FW)
DKR Drive Controllers
Technical Specifications
Line
3
Design Type
1
Cooling Mode
In-built air blower
Current Rating
200 A
Bleeder
Not included
Feedback System
Digital servo and resolver
Interface
Digital SERCOS
Function Numeric Code
29
Version Function Numeric Code
01
Speed Range
Broad
Error Diagnosis
SERCOS interface and H1 screen
Maximum Current Rating (Imaxeff)
141 Amps
Heat Dissipation at Iconteff
1.2 kW
Protection Class
IP 20 as per EN60529
Maximum Altitude of Installation
0 – 1000 meter/sea level at 100% rated data
Transport/Storage Temperature Range
-30 degrees C to +85 degrees C
Maintenance
Keep away from dust and moisture
Transportation Precautions
Use shock-dampeners if necessary
Frequently Asked Questions
How does digital servo and resolver feedback impact motor control accuracy?
Digital servo signals provide precise position control, while the resolver ensures reliable rotor position feedback even in harsh environments. Together, they enhance accuracy and stability in closed-loop motion systems.
What rated current capacity does the DKR03.1-W200N-BT29-01-FW support in demanding applications?
It can continuously supply 200 A to connected motors. This enables the drive to handle large industrial axes with high torque requirements.
What maintenance factors should be considered for a blower-cooled drive controller?
Regular inspection of air filters and blower operation is necessary. Dust buildup can restrict airflow and lead to thermal derating or shutdown.
Can the DKR03.1-W200N-BT29-01-FW be paired with regenerative energy systems?
Yes, but external regenerative modules or supply units must be integrated. The drive itself does not dissipate excess energy since it lacks a brake chopper.
How does resolver feedback compare to purely digital encoder feedback in reliability?
Resolvers tolerate high temperatures, shock, and electrical noise better than encoders. They provide reliable feedback in heavy-duty machine environments.
Common Misspellings
DKR031W200NBT2901FW
DKR03 1 W200N BT29 01 FW
dkr03.1-w200n-bt29-01-fw
DKR3.1-W200N-BT29-01-FW
Internal Product Review
The DKR03.1-W200N-BT29-01-FW is a drive controller in Bosch Rexroth Indramat's DKR series. It supports a rigid DC bus without bleeder or brake chopper, uses a SERCOS command interface, and handles digital servo and resolver feedback. It finds application in printing machines, NC machine tools and related industrial motion systems.
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